Wire Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most... Always end-to-end encrypted. Fully open source. Guest • Feb 2018 • 5 agrees and 0 disagrees Disagree Agree always End-to-End encrypted; servers in the EU; high quality audio and video calls; cityroler • Apr 2017 • 8 agrees and 0 disagrees Disagree Agree Multiplatform, chat, audio and video calling with great quality and: Clientside is already open source and they are currently working on completely opensourcing the serverside too. Great application. Guest • May 2017 • 6 agrees and 0 disagrees Disagree Agree It is fully open source instead Telegram (server and client). Guest • Jul 2018 • 1 agrees and 1 disagrees Disagree Agree Commercial $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Software as a Service (SaaS) Apps with End-to-End Encryption Security focused Encrypted chat Video calling ... Open Source apps Voice Call Encrypted calls Encryption Group chat Share your screen Anonymity Integrated File Sharing Multiple Account support Photo Sharing Privacy focused Privacy Protected Private Chat Secure Chat Secure File Sharing File Sending Video calling Voice chat Voice messages WebRTC Add a feature 230 Like
Riot.im Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public and private and provides messaging... Cloud base with good features and awful UI! Guest • May 2018 • 5 agrees and 0 disagrees Disagree Agree Free software running on the server and the client. Syndicated service lets you run your own server and connect with others. Guest • May 2018 • 4 agrees and 0 disagrees Disagree Agree Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Chrome Safari F-Droid Firefox Apps with End-to-End Encryption Decentralized Open source software Voice Call ... Custom widgets Federated Group chat Matrix.org protocol Open Source apps User Management Video calling Add-ons Clean design Community based Direct Messaging DRM Free Encrypted chat GitHub integration Group collaboration Integrated File Sharing MarkDown support Message edit Message redaction Mobile friendly Moderation tools Per-room avatars Privacy-friendly Read receipts Self-hosted in intranet or private cloud File Sending Server Moderation Server side history Slack integration Social network Team Collaboration Text chat Typing notifications User mentions Video/Audio Calling Video calling Voice chat Web Integaration Add a feature 277 Like
Matrix.org Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of... Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted WebRTC Python JavaScript Go (Programming Language) Java Perl Apps with End-to-End Encryption Decentralized Voice chat Chat Bot ... Distributed Encrypted chat Group chat Random video chat Real time collaboration Server side history Team Collaboration Voice Call WebRTC Add a feature 145 Like
Mattermost Mattermost is an open source, self-hosted Slack alternative. As an alternative to proprietary SaaS messaging, Mattermost brings... Freemium $ $ $ Open Source Mac Windows Linux Android iPhone ... Android Tablet iPad Self-Hosted JavaScript Go (Programming Language) Cloudron Team Collaboration Group chat Data API Integrated File Sharing ... MarkDown support Multi Channel On-premises software Plugin API File Sending Slack integration Supports XMPP Add a feature 170 Like
Zulip Zulip is a group chat app. Its most distinctive characteristic is that messages are threaded by topic, helping you have long-running, organized conversations.... Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet BSD Self-Hosted Threaded Conversations Group collaboration Open source software Chat Bot ... Community based GitHub integration Group chat Integrated File Sharing Live topics MarkDown support Secure Chat Team Collaboration Todos Add a feature 149 Like
HipChat HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable chat history, file sharing via drag... Discontinued https://alternativeto.net/software/slack/ is acquiring Hipchat and https://alternativeto.net/software/stride-by-atlassian/ from Atlassian. the services will be discontinued after February 15th, 2019. https://www.atlassian.com/partnerships/slack Freemium Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Apple Watch Team Collaboration Integrated File Sharing Share your screen Add a feature 74 Like
Kontalk Messenger Kontalk is a secure instant messenger, allowing you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users... Free Open Source Android Self-Hosted Encrypted chat Apps with End-to-End Encryption Add a feature 28 Like
Cyanide Cyanide is Tox client for Sailfish OS . Features 1v1 messaging DNS discovery ... Free Open Source Self-Hosted Sailfish OS Import from Google Reader Add a feature 10 Like
VideoMeeting VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC... Free Open Source Web Chrome OS Self-Hosted Video calling Web-Based Add a feature 5 Like
Webogram Webogram is an unofficial Telegram web app. Telegram offers great apps for mobile communication. It is based on the MTProto protocol and has an Open API and... Free Personal Mac Windows Linux Chrome OS Self-Hosted Cloud based Telegram integration Add a feature 9 Like
