{"id":226,"date":"2026-02-22T00:00:00","date_gmt":"2026-02-21T23:00:00","guid":{"rendered":"https:\/\/vsx.is\/?p=226"},"modified":"2026-03-01T19:42:56","modified_gmt":"2026-03-01T18:42:56","slug":"comparaison-des-plates-formes-de-messagerie-instantanee","status":"publish","type":"post","link":"https:\/\/vsx.is\/fr\/srovnani-platforem-pro-okamzite-zasilani-zprav\/","title":{"rendered":"Comparaison des plateformes de messagerie instantan\u00e9e"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Aujourd'hui, choisir la bonne plateforme de communication n'est pas seulement une question de commodit\u00e9 : il s'agit de savoir qui a acc\u00e8s \u00e0 vos donn\u00e9es, o\u00f9 elles sont stock\u00e9es et s'il est possible de v\u00e9rifier ce qu'il en advient. Dans cette \u00e9tude, nous comparons 19 plateformes de messagerie instantan\u00e9e en fonction de crit\u00e8res cl\u00e9s : <strong>type de logiciel<\/strong> (propri\u00e9taire vs. <a href=\"https:\/\/vsx.is\/fr\/firefox-forky-proc-existuji-a-ktery-si-vybrat\/\">source ouverte<\/a>), <strong>architecture du serveur<\/strong>, la disponibilit\u00e9 des candidatures, <strong>chiffrement<\/strong> a <strong>juridique <a href=\"https:\/\/vsx.is\/fr\/cloud-act-co-skutecne-rika-co-neumi-a-proc-prepisuje-evropsky-cloudovy-trh\/\">Comp\u00e9tence<\/a><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Crit\u00e8res de comparaison cl\u00e9s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Type de logiciel<\/strong> pr\u00e9cise si le code source de l'application est accessible au public et v\u00e9rifiable. Avec une solution open source, tout le monde peut v\u00e9rifier que l'application fait exactement ce qu'elle pr\u00e9tend faire. Les logiciels propri\u00e9taires n'ont pas cette transparence - l'utilisateur doit faire confiance au producteur. Certaines plateformes adoptent une position hybride : les applications clientes sont libres, mais le serveur reste propri\u00e9taire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Architecture du serveur<\/strong> d\u00e9finit la mani\u00e8re dont les messages sont transmis de l'exp\u00e9diteur au destinataire. Il existe quatre mod\u00e8les de base :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pas de serveur<\/strong> - la communication directe d'\u00e9gal \u00e0 \u00e9gal (P2P), sans interm\u00e9diaire<\/li>\n\n\n\n<li><strong>D\u00e9centralis\u00e9<\/strong> - le serveur peut \u00eatre h\u00e9berg\u00e9 par n'importe qui, il n'y a pas de point de d\u00e9faillance unique<\/li>\n\n\n\n<li><strong>Centralis\u00e9<\/strong> - le serveur est exploit\u00e9 uniquement par le d\u00e9veloppeur de la plate-forme<\/li>\n\n\n\n<li><strong>Centralis\u00e9 et propri\u00e9taire<\/strong> - le code du serveur ne peut pas faire l'objet d'un audit ind\u00e9pendant<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cryptage de bout en bout (E2EE)<\/strong> signifie que le contenu des messages n'est lisible que par l'exp\u00e9diteur et le destinataire. M\u00eame l'op\u00e9rateur du serveur n'a pas la possibilit\u00e9 de d\u00e9crypter les messages. Les plateformes sans E2EE peuvent - du moins en th\u00e9orie - lire, analyser ou transmettre le contenu des messages \u00e0 des tiers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Comp\u00e9tence<\/strong> d\u00e9termine la l\u00e9gislation dont rel\u00e8ve l'entreprise qui exploite la plateforme. Cela a un impact direct sur la mani\u00e8re dont les demandes de divulgation de donn\u00e9es par les autorit\u00e9s gouvernementales sont trait\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Plates-formes open source<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pas de serveur central (P2P)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Plate-forme<\/th><th>Serveur<\/th><th>Android<\/th><th>iOS<\/th><th>Bureau<\/th><th>E2EE<\/th><th>Comp\u00e9tence<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/jami.net\">Jami<\/a><\/strong><\/td><td>Pas de serveur<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\udf0d<\/td><\/tr><tr><td><strong><a href=\"https:\/\/briarproject.org\">Briar<\/a><\/strong><\/td><td>Pas de serveur<\/td><td>\u2714<\/td><td>\u2716<\/td><td>\u2714 (<a href=\"https:\/\/vsx.is\/fr\/tuta-drive-spousti-uzavrenou-betu-post-kvantove-cloudove-uloziste-z-nemecka-vstupuje-do-dalsi-faze\/\">b\u00eata<\/a>)<\/td><td>\u2714<\/td><td>\ud83c\udf0d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jami et <a href=\"https:\/\/vsx.is\/fr\/alternativy-k-sessionu-simplex-cwtch-briar-a-dalsi-messengery-ktere-chrani-i-metadata\/\">Briar<\/a> transf\u00e9rer des messages directement entre les appareils sans aucun interm\u00e9diaire. Cela \u00e9limine le risque de compromettre l'infrastructure du serveur et signifie \u00e9galement qu'il n'y a pas de point central qui pourrait \u00eatre la cible d'une surveillance ou d'une censure. Les deux plateformes sont enti\u00e8rement libres et prennent en charge l'E2EE. Diff\u00e9rence importante : <strong>Briar n'a pas d'application iOS<\/strong> et son client de bureau est encore en version b\u00eata (version 0.6.4). Briar communique \u00e9galement sur le r\u00e9seau <a href=\"https:\/\/vsx.is\/fr\/tor-browser-prohlizec-ktery-vytvorilo-americke-namornictvo-a-dnes-chrani-novinare-aktivisty-i-vas\/\">Tor<\/a> et peut utiliser le Bluetooth ou le Wi-Fi en cas de panne d'internet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9centralis\u00e9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Plate-forme<\/th><th>Serveur<\/th><th>Mobile<\/th><th>Bureau<\/th><th>E2EE<\/th><th>Comp\u00e9tence<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/tox.chat\">Tox<\/a><\/strong><\/td><td>D\u00e9centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\udf0d<\/td><\/tr><tr><td><a href=\"https:\/\/element.io\"><strong>\u00c9l\u00e9ment<\/strong> (Matrice)<\/a><\/td><td>D\u00e9centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\uddec\ud83c\udde7 \ud83c\uddfa\ud83c\uddf8 \ud83c\uddeb\ud83c\uddf7<\/td><\/tr><tr><td><a href=\"https:\/\/conversations.im\"><strong>Conversations<\/strong> (XMPP)<\/a><\/td><td>D\u00e9centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\udde8\ud83c\udded \ud83c\uddfa\ud83c\uddf8 \ud83c\uddea\ud83c\uddfa<\/td><\/tr><tr><td><strong><a href=\"https:\/\/delta.chat\">Delta Chat<\/a><\/strong><\/td><td>D\u00e9centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\udde9\ud83c\uddea \ud83c\uddfa\ud83c\uddf8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Protocoles <a href=\"https:\/\/vsx.is\/fr\/twake-workplace-evropsky-open-source-workplace-zamereny-na-soukromi\/\">Matrice<\/a> (<a href=\"https:\/\/vsx.is\/fr\/vladni-messengery-v-evrope-proc-polsko-francie-a-nemecko-buduji-vlastni-alternativy-k-signalu\/\">\u00c9l\u00e9ment<\/a>) et XMPP (Conversations) permettent \u00e0 chacun d'exploiter son propre serveur, \u00e9liminant ainsi la d\u00e9pendance \u00e0 l'\u00e9gard d'un fournisseur unique. Cette architecture est plus r\u00e9sistante \u00e0 la censure et aux pannes, mais exige davantage des utilisateurs sur le plan technique. Delta Chat est int\u00e9ressant en ce sens qu'il utilise le courrier \u00e9lectronique comme couche de transport - aucun nouveau compte ou serveur n'est n\u00e9cessaire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Source ouverte centralis\u00e9e<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Plate-forme<\/th><th>Serveur<\/th><th>Mobile<\/th><th>Bureau<\/th><th>E2EE<\/th><th>Comp\u00e9tence<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/nextcloud.com\/talk\/\">Nextcloud Talk<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\uddea\ud83c\uddfa \ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/rocket.chat\">Rocket.Chat<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\uddfa\ud83c\uddf8 \ud83c\udde7\ud83c\uddf7<\/td><\/tr><tr><td><strong><a href=\"https:\/\/signal.org\">Signal<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/wire.com\">Fil de fer<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\udde8\ud83c\udded \ud83c\udde9\ud83c\uddea<\/td><\/tr><tr><td><a href=\"https:\/\/keybase.io\"><strong>Base de donn\u00e9es<\/strong> \u26a0<\/a><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/threema.ch\">Threema<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\udde8\ud83c\udded<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/vsx.is\/fr\/bezpecne-messangery\/\">Signal<\/a> est le choix le plus familier pour les utilisateurs qui souhaitent un cryptage fort sans compromettre l'exp\u00e9rience de l'utilisateur. Son protocole de cryptage (Signal Protocol) est consid\u00e9r\u00e9 comme l'un des plus robustes du secteur. L'inconv\u00e9nient est l'architecture centralis\u00e9e et la juridiction am\u00e9ricaine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fil de fer<\/strong> a son si\u00e8ge \u00e0 Berlin (holding) et \u00e0 Zug, en Suisse (Wire Swiss GmbH, o\u00f9 le d\u00e9veloppement est en cours). En 2019, Wire a transf\u00e9r\u00e9 la soci\u00e9t\u00e9 holding aux \u00c9tats-Unis, mais en 2020, elle reviendra en Allemagne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Threema<\/strong> a publi\u00e9 le code source de ses applications clientes (Android, iOS, desktop) \u00e0 la fin de 2020 sous la licence AGPL-3.0. Le code du serveur reste propri\u00e9taire, mais les clients sont enti\u00e8rement v\u00e9rifiables. Threema n'exige pas de num\u00e9ro de t\u00e9l\u00e9phone ou d'adresse \u00e9lectronique pour s'inscrire - il suffit d'un identifiant Threema g\u00e9n\u00e9r\u00e9 de mani\u00e8re al\u00e9atoire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Base de donn\u00e9es<\/strong> a \u00e9t\u00e9 acquis par Zoom en 2020. Depuis lors, son d\u00e9veloppement a \u00e9t\u00e9 pratiquement interrompu. L'application fonctionne toujours, mais la maintenance active et les nouvelles fonctionnalit\u00e9s ne sont pas \u00e0 l'ordre du jour. Elle n'est pas recommand\u00e9e pour les nouveaux utilisateurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Plateformes avec un client open source mais un serveur propri\u00e9taire<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Plate-forme<\/th><th>Serveur<\/th><th>Mobile<\/th><th>Bureau<\/th><th>E2EE<\/th><th>Comp\u00e9tence<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/telegram.org\">T\u00e9l\u00e9gramme<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u26a0 partiellement<\/td><td>\ud83c\udde6\ud83c\uddea<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le Telegram occupe une position sp\u00e9cifique. Les applications clientes (Android, iOS, desktop, web) sont en open source sous licence GPLv3 et supportent des builds reproductibles. Cependant, le code du serveur n'est pas publi\u00e9 et l'op\u00e9rateur consid\u00e8re qu'il n'est pas n\u00e9cessaire de l'ouvrir. <a href=\"https:\/\/vsx.is\/fr\/proton-svycarsky-ekosystem-pro-ty-kdo-to-s-privatnosti-mysli-vazne\/\">Cryptage de bout en bout<\/a> n'est disponible qu'en mode \u201eSecret Chats\u201c - les conversations normales et les discussions de groupe ne sont pas crypt\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Plates-formes propri\u00e9taires<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Plate-forme<\/th><th>Serveur<\/th><th>Mobile<\/th><th>Bureau<\/th><th>E2EE<\/th><th>Comp\u00e9tence<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/whatsapp.com\">WhatsApp<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/messenger.com\">Messager<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2714 (\u00e0 partir de 2024)<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/discord.com\">Discord<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2716<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/skype.com\">Skype<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2716<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/slack.com\">Slack<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2716<\/td><td>\ud83c\uddfa\ud83c\uddf8<\/td><\/tr><tr><td><strong><a href=\"https:\/\/wechat.com\">WeChat<\/a><\/strong><\/td><td>Centralis\u00e9<\/td><td>\u2714<\/td><td>\u2714<\/td><td>\u2716<\/td><td>\ud83c\udde8\ud83c\uddf3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Messager<\/strong> (Meta) a introduit le chiffrement de bout en bout par d\u00e9faut pour les chats et les appels en personne \u00e0 la fin de 2023, avec un d\u00e9ploiement complet achev\u00e9 au cours de 2024. Le chiffrement utilise le protocole Signal et son propre protocole Labyrinthe. Les discussions de groupe, en revanche, ne restent crypt\u00e9es que de mani\u00e8re facultative (opt-in).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plates-formes propri\u00e9taires restantes - <a href=\"https:\/\/vsx.is\/fr\/discord-2026-koncove-sifrovani-hovoru-na-jedne-strane-sber-identit-na-druhe\/\">Discord<\/a>, Skype, Slack et WeChat - n'offrent pas de chiffrement de bout en bout par d\u00e9faut. WhatsApp d\u00e9clare un E2EE complet, mais son code source ferm\u00e9 ne permet pas une v\u00e9rification ind\u00e9pendante de la mise en \u0153uvre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce qu'il faut savoir pour choisir<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u00e9curit\u00e9 maximale<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si la protection maximale est votre priorit\u00e9 <a href=\"https:\/\/vsx.is\/fr\/bezpecny-e-mail-co-to-vlastne-znamena-a-potrebujete-to-resit\/\">Vie priv\u00e9e<\/a>, Envisager des plates-formes sans serveur central - <strong>Jami<\/strong> a <strong>Briar<\/strong> transf\u00e9rer des messages directement entre les appareils (P2P), ce qui \u00e9limine le risque de compromettre l'infrastructure du serveur. Les deux sont des logiciels libres et prennent en charge l'E2EE. Mais attendez-vous \u00e0 des limitations : Briar n'a pas d'application iOS, et les deux plateformes exigent que les deux participants soient en ligne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9quilibre entre s\u00e9curit\u00e9 et confort<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Signal<\/strong> est le choix le plus pratique pour les communications s\u00e9curis\u00e9es quotidiennes. Il offre un cryptage puissant, un code ouvert et une interface conviviale. <strong>Threema<\/strong> offre un niveau similaire avec l'avantage de la juridiction suisse et de l'enregistrement anonyme sans num\u00e9ro de t\u00e9l\u00e9phone. Pour un environnement d'entreprise, il vaut la peine d'envisager <strong>Fil de fer<\/strong> (juridiction suisse-allemande, h\u00e9bergement de l'UE).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9centralisation et f\u00e9d\u00e9ration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Protocoles <strong>Matrice<\/strong> (\u00c9l\u00e9ment) a <strong>XMPP<\/strong> (Conversations) permettent \u00e0 chacun de g\u00e9rer son propre serveur. Cette architecture est plus r\u00e9sistante \u00e0 la censure et aux pannes, mais exige davantage de comp\u00e9tences techniques de la part des utilisateurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Attention au \u201efaux sentiment de s\u00e9curit\u00e9\u201c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une d\u00e9claration E2EE \u00e0 elle seule n'implique pas automatiquement la fiabilit\u00e9. Pour les plates-formes \u00e0 serveur ferm\u00e9 (<strong>WhatsApp<\/strong>, <strong>Messager<\/strong>), il n'est pas possible de v\u00e9rifier de mani\u00e8re ind\u00e9pendante ce qui se passe r\u00e9ellement avec les donn\u00e9es sur le serveur. U <strong>T\u00e9l\u00e9gramme<\/strong> la situation est encore plus compliqu\u00e9e : les conversations par d\u00e9faut ne sont pas du tout chiffr\u00e9es de bout en bout.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Notes<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>T\u00e9l\u00e9gramme<\/strong> dispose d'un cryptage de bout en bout uniquement en mode \u201eSecret Chats\u201c. Les conversations normales ne sont pas crypt\u00e9es. Les applications clientes sont libres, le serveur ne l'est pas.<\/li>\n\n\n\n<li><strong>Threema<\/strong> a mis en open-source les applications clients depuis la fin de l'ann\u00e9e 2020. Le code du serveur reste propri\u00e9taire.<\/li>\n\n\n\n<li><strong>Messager<\/strong> (Meta) a introduit un E2EE par d\u00e9faut en 2023\/2024 pour les cabanes personnelles. Les conversations de groupe restent crypt\u00e9es en option.<\/li>\n\n\n\n<li><strong>Base de donn\u00e9es<\/strong> est en fait un projet abandonn\u00e9, sans d\u00e9veloppement actif apr\u00e8s l'acquisition par Zoom (2020).<\/li>\n\n\n\n<li><strong>Briar<\/strong> n'a pas d'application iOS et le client de bureau est en version b\u00eata.<\/li>\n\n\n\n<li><strong>Fil de fer<\/strong> a son si\u00e8ge en Suisse et en Allemagne (et non aux \u00c9tats-Unis - la soci\u00e9t\u00e9 holding est retourn\u00e9e en Allemagne en 2020).<\/li>\n\n\n\n<li><strong>Comp\u00e9tence<\/strong> peut varier en fonction de l'emplacement du serveur sp\u00e9cifique - les valeurs indiqu\u00e9es correspondent \u00e0 l'emplacement de la soci\u00e9t\u00e9 m\u00e8re.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em><em>Les informations et les \u00e9valuations contenues dans cet article sont bas\u00e9es sur des sources accessibles au public et sur l'exp\u00e9rience personnelle de l'auteur \u00e0 la date de publication et sont susceptibles d'\u00eatre modifi\u00e9es au fil du temps. Le texte est destin\u00e9 \u00e0 donner un aper\u00e7u \u00e9ducatif des applications et des services compar\u00e9s - il ne s'agit pas d'une \u00e9valuation exhaustive ou juridiquement contraignante. Nous recommandons de v\u00e9rifier l'\u00e9tat actuel des applications individuelles directement aupr\u00e8s de leurs op\u00e9rateurs avant de prendre une d\u00e9cision.<\/em><\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>V\u00fdb\u011br spr\u00e1vn\u00e9 komunika\u010dn\u00ed platformy dnes nen\u00ed jen ot\u00e1zkou pohodl\u00ed \u2014 je to rozhodnut\u00ed o tom, kdo m\u00e1 p\u0159\u00edstup k va\u0161im [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-226","post","type-post","status-publish","format-standard","hentry","category-messengery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v - VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vsx.is\/fr\/comparaison-des-plates-formes-de-messagerie-instantanee\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v - VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou\" \/>\n<meta property=\"og:description\" content=\"V\u00fdb\u011br spr\u00e1vn\u00e9 komunika\u010dn\u00ed platformy dnes nen\u00ed jen ot\u00e1zkou pohodl\u00ed \u2014 je to rozhodnut\u00ed o tom, kdo m\u00e1 p\u0159\u00edstup k va\u0161im [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vsx.is\/fr\/comparaison-des-plates-formes-de-messagerie-instantanee\/\" \/>\n<meta property=\"og:site_name\" content=\"VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-21T23:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-01T18:42:56+00:00\" \/>\n<meta name=\"author\" content=\"vsx\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"vsx\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/\"},\"author\":{\"name\":\"vsx\",\"@id\":\"https:\\\/\\\/vsx.is\\\/#\\\/schema\\\/person\\\/c3af7cca0ef9568ad945bc243df05cd5\"},\"headline\":\"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v\",\"datePublished\":\"2026-02-21T23:00:00+00:00\",\"dateModified\":\"2026-03-01T18:42:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/\"},\"wordCount\":1414,\"publisher\":{\"@id\":\"https:\\\/\\\/vsx.is\\\/#\\\/schema\\\/person\\\/c3af7cca0ef9568ad945bc243df05cd5\"},\"articleSection\":[\"Messengery\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/\",\"url\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/\",\"name\":\"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v - VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vsx.is\\\/#website\"},\"datePublished\":\"2026-02-21T23:00:00+00:00\",\"dateModified\":\"2026-03-01T18:42:56+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/vsx.global\\\/comparison-of-platforms-for-instant-messaging\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\\\/\\\/vsx.is\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/vsx.is\\\/#website\",\"url\":\"https:\\\/\\\/vsx.is\\\/\",\"name\":\"VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou\",\"description\":\"Nez\u00e1visl\u00e9 srovn\u00e1n\u00ed prohl\u00ed\u017ee\u010d\u016f, soukrom\u00fdch e\u2011mailov\u00fdch slu\u017eeb a alternativn\u00edch telefon\u016f. Praktick\u00e9 n\u00e1vody, jak m\u00edt digit\u00e1ln\u00ed sv\u011bt pod kontrolou.\",\"publisher\":{\"@id\":\"https:\\\/\\\/vsx.is\\\/#\\\/schema\\\/person\\\/c3af7cca0ef9568ad945bc243df05cd5\"},\"alternateName\":\"VSX.is\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/vsx.is\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/vsx.is\\\/#\\\/schema\\\/person\\\/c3af7cca0ef9568ad945bc243df05cd5\",\"name\":\"vsx\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/vsx.is\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/cropped-Logo_vsx-2.png\",\"url\":\"https:\\\/\\\/vsx.is\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/cropped-Logo_vsx-2.png\",\"contentUrl\":\"https:\\\/\\\/vsx.is\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/cropped-Logo_vsx-2.png\",\"width\":512,\"height\":512,\"caption\":\"vsx\"},\"logo\":{\"@id\":\"https:\\\/\\\/vsx.is\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/cropped-Logo_vsx-2.png\"},\"sameAs\":[\"https:\\\/\\\/vsx.is\"],\"url\":\"https:\\\/\\\/vsx.is\\\/fr\\\/author\\\/aurelea\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Comparaison des plateformes de messagerie instantan\u00e9e - VSX.is | Un monde num\u00e9rique sous votre contr\u00f4le","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/vsx.is\/fr\/comparaison-des-plates-formes-de-messagerie-instantanee\/","og_locale":"fr_FR","og_type":"article","og_title":"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v - VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou","og_description":"V\u00fdb\u011br spr\u00e1vn\u00e9 komunika\u010dn\u00ed platformy dnes nen\u00ed jen ot\u00e1zkou pohodl\u00ed \u2014 je to rozhodnut\u00ed o tom, kdo m\u00e1 p\u0159\u00edstup k va\u0161im [&hellip;]","og_url":"https:\/\/vsx.is\/fr\/comparaison-des-plates-formes-de-messagerie-instantanee\/","og_site_name":"VSX.is | Digit\u00e1ln\u00ed sv\u011bt pod va\u0161\u00ed kontrolou","article_published_time":"2026-02-21T23:00:00+00:00","article_modified_time":"2026-03-01T18:42:56+00:00","author":"vsx","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"vsx","Dur\u00e9e de lecture estim\u00e9e":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/#article","isPartOf":{"@id":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/"},"author":{"name":"vsx","@id":"https:\/\/vsx.is\/#\/schema\/person\/c3af7cca0ef9568ad945bc243df05cd5"},"headline":"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v","datePublished":"2026-02-21T23:00:00+00:00","dateModified":"2026-03-01T18:42:56+00:00","mainEntityOfPage":{"@id":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/"},"wordCount":1414,"publisher":{"@id":"https:\/\/vsx.is\/#\/schema\/person\/c3af7cca0ef9568ad945bc243df05cd5"},"articleSection":["Messengery"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/","url":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/","name":"Comparaison des plateformes de messagerie instantan\u00e9e - VSX.is | Un monde num\u00e9rique sous votre contr\u00f4le","isPartOf":{"@id":"https:\/\/vsx.is\/#website"},"datePublished":"2026-02-21T23:00:00+00:00","dateModified":"2026-03-01T18:42:56+00:00","breadcrumb":{"@id":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/vsx.global\/comparison-of-platforms-for-instant-messaging\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/vsx.is\/"},{"@type":"ListItem","position":2,"name":"Srovn\u00e1n\u00ed platforem pro okam\u017eit\u00e9 zas\u00edl\u00e1n\u00ed zpr\u00e1v"}]},{"@type":"WebSite","@id":"https:\/\/vsx.is\/#website","url":"https:\/\/vsx.is\/","name":"VSX.is | Un monde num\u00e9rique sous votre contr\u00f4le","description":"Comparaison ind\u00e9pendante de navigateurs, de services de messagerie priv\u00e9e et de t\u00e9l\u00e9phones alternatifs. Des guides pratiques sur la mani\u00e8re de prendre le contr\u00f4le du monde num\u00e9rique.","publisher":{"@id":"https:\/\/vsx.is\/#\/schema\/person\/c3af7cca0ef9568ad945bc243df05cd5"},"alternateName":"VSX.is","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/vsx.is\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":["Person","Organization"],"@id":"https:\/\/vsx.is\/#\/schema\/person\/c3af7cca0ef9568ad945bc243df05cd5","name":"vsx","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/vsx.is\/wp-content\/uploads\/2026\/02\/cropped-Logo_vsx-2.png","url":"https:\/\/vsx.is\/wp-content\/uploads\/2026\/02\/cropped-Logo_vsx-2.png","contentUrl":"https:\/\/vsx.is\/wp-content\/uploads\/2026\/02\/cropped-Logo_vsx-2.png","width":512,"height":512,"caption":"vsx"},"logo":{"@id":"https:\/\/vsx.is\/wp-content\/uploads\/2026\/02\/cropped-Logo_vsx-2.png"},"sameAs":["https:\/\/vsx.is"],"url":"https:\/\/vsx.is\/fr\/author\/aurelea\/"}]}},"_links":{"self":[{"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/posts\/226","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/comments?post=226"}],"version-history":[{"count":5,"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/posts\/226\/revisions"}],"predecessor-version":[{"id":341,"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/posts\/226\/revisions\/341"}],"wp:attachment":[{"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/media?parent=226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/categories?post=226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vsx.is\/fr\/wp-json\/wp\/v2\/tags?post=226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}