Microsoft Teams is described as 'Integrates seamlessly with Office 365 to centralize chat, files, and tools. Supports HD audio and video meetings, available across multiple platforms' and is a popular Group Chat app in the office & productivity category. There are more than 100 alternatives to Microsoft Teams for a variety of platforms, including Web-based, iPhone, Android, Windows and Mac apps. The best Microsoft Teams alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Zulip. Other great apps like Microsoft Teams are Slack, Wire, Jami and Proton Meet.
BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.
United States
United States
Browser-based tool enabling instant, end-to-end encrypted screen sharing with a shareable link, requiring no downloads, installs, or accounts. Sessions use peer-to-peer WebRTC connections, store nothing on servers, and support multiple privacy-focused participants.
Germany
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Encrypted video meetings with unlimited participants, screen sharing, recording with secure storage, no data sale or registration, chat, reactions, calendar and background features, hosted entirely in Switzerland on renewable energy and compliant with strict privacy laws.
Switzerland
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
United States
Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.
GermanyEU
Powered by WebRTC, Real-time video call, chat room and screen sharing entirely browser based.
ItalyEU
Twake is a real-time teamwork platform. It is a suite of collaborative tools that includes the specificities of some bestsellers (Slack, Trello, Google Drive...). We provide professional messaging, storage space, online collaborative editors (Words, Excel, PowerPoint), task...
FranceEU
Open-source platform unifying project, document, issue, and task management with real-time team collaboration, instant messaging, video conferencing, and GitHub bidirectional sync, all in one customizable workspace for developers and product teams.
Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.
GermanyEU
Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users. It's not built on top of web browser technology: it responds quickly to input, sips gently from computer...
United States
The preservation of privacy is the main driver for this project. Secure technologies, such as WebRTC, are used to establish a direct connection between the participants. The website that provides the web application and mediates the communication stores as little data as...
GermanyEU
