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92 Communication apps

most established first · page 1 of 2

A–ZCheapestMost established
Narrow byFree plan236Open source109Self-hostable92
  1. 1MattermostCollaboration Platform for Mission Critical WorkOn requestFree planOpen sourceSelf-hostable
  2. 2TeamSpeakYOUR TEAM. YOUR RULES.Free planSelf-hostable
  3. 3Element ProSecure collaboration and messagingFree planOpen sourceSelf-hostable
  4. 4ZelloThe Most Reliable Push-to-Talk Walkie-Talkie App14-day trialSelf-hostable
  5. 5Jitsi MeetMore secure, more flexible, and completely free video conferencingFreeOpen sourceSelf-hostable
  6. 6Beeper MiniAll your chats in one app$9.99–$49.99/moFree planSelf-hostable
  7. 7TalkJSChat API and SDKs to build the best real-time messaging experiences$279–$569/moFree planSelf-hostable
  8. 8WireCollaborate without CompromiseFrom €8.94/moFree planOpen sourceSelf-hostable
  9. 9LinphoneReal-time communicationFree planOpen sourceSelf-hostable
  10. 10BigBlueButtonBigBlueButton is a purpose-built virtual classroom that empowers teachers to teach and learners to learn.Free planOpen sourceSelf-hostable
  11. 11SessionSend Messages, Not Metadata.Open sourceSelf-hostable
  12. 12MailPoetBetter Email for WordPress-Powered Websites.Free planOpen sourceSelf-hostable
  13. 13StoatFind your communityFreeOpen sourceSelf-hostable
  14. 14ThreemaSecure Communication For Individuals and Companies$3–$5/user/mo30-day trialOpen sourceSelf-hostable
  15. 15TrillianModern and secure instant messagingFree planSelf-hostable
  16. 16OlvidPrivate messaging for everyone.From €4.99/moFree planOpen sourceSelf-hostable
  17. 17FluxerA chat app that puts you firstFree planOpen sourceSelf-hostable
  18. 18MumbleOpen Source, Low Latency, High Quality Voice ChatFreeOpen sourceSelf-hostable
  19. 19IceWarpEmail. Collaboration. Office. All in a single package.From €1.5/mo30-day trialSelf-hostable
  20. 20UmnicoCustomer communication management software for omnichannel sales and help deskUsage-basedFree planSelf-hostable
  21. 21SimpleX ChatPrivate and secure messenger without any user IDs (not even random)Open sourceSelf-hostable
  22. 22Delta ChatDecentralized secure messengerOpen sourceSelf-hostable
  23. 23NicegramThe financial, business, and security layer for TelegramFree planOpen sourceSelf-hostable
  24. 24VentriloVoice communication over the internet.Self-hostable
  25. 25MixinAn open-source crypto wallet with Signal messagingFreeOpen sourceSelf-hostable
  26. 26MoxoDescribe your process. Moxo builds and runs it.$80–$499/moFree planSelf-hostable
  27. 27MovimYour Network, Your Rules.FreeOpen sourceSelf-hostable
  28. 28VIPoleSecure messaging, video, calls and sharing for Individuals, Teams and Enterprises$5.99–$9/user/moFree planSelf-hostable
  29. 29ContinuwuityA community-driven Matrix homeserverFree planOpen sourceSelf-hostable
  30. 30SnikketSimple, secure and private messagingOpen sourceSelf-hostable
  31. 31PexipSecure every meeting. Connect every room. Collaborate with full control.On requestFree trialSelf-hostable
  32. 32AirtimeEssential tools for video at work$10–$12/mo14-day trialSelf-hostable
  33. 33Just SocialLove your Intranet and AppOn requestSelf-hostable
  34. 34WorkAdventureYour workplace, better!From €5/moFree planOpen sourceSelf-hostable
  35. 35BitlBeeBitlBee brings IM (instant messaging) to IRC clients.Open sourceSelf-hostable
  36. 36MirrorFlyCustom AI Chat, Agent, Chatbot, Contact Center & Video SDKsOn requestSelf-hostable
  37. 37OpenTalkVirtual meetings and video conferences from Germany with real data protection.From €7.5/moFree planSelf-hostable
  38. 38FluffyChatThe cutest messenger in the Matrix networkSelf-hostable
  39. 39XabberOpen-source XMPP client for Android and WebFreeOpen sourceSelf-hostable
  40. 40Troop MessengerSecure Team Messaging & Collaboration Software for Enterprises$2.5–$5/user/moFree planSelf-hostable
  41. 41ConduitA Matrix homeserver written in RustOpen sourceSelf-hostable
  42. 42CachetDowntime happens. Communicate it.Free planOpen sourceSelf-hostable
  43. 43FreenetDecentralize EverythingFreeOpen sourceSelf-hostable
  44. 44NINAMiss the 90s AOL, AIM, ICQ, or maybe even Q-Link? We do too! That's why we're bringing them back.FreeOpen sourceSelf-hostable
  45. 45CampfireSuper simple group chat, without a subscription. And you get the code, too.FreeOpen sourceSelf-hostable
  46. 46VoceChatPersonal Chat, Personal AI, Personal Cloud, all hosted on your PC!Free planOpen sourceSelf-hostable
  47. 47ADAMANT MessengerAnonymous ⋅ Secure ⋅ Unstoppable ⋅ Crypto Wallets ⋅ Open-source ⋅ Community-drivenOpen sourceSelf-hostable
  48. 48Apache OpenMeetingsFree planOpen sourceSelf-hostable