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.
Unlimited public or private chat rooms with full search, GitHub-based authentication, file and code sharing, flexible integrations with popular developer tools, admin controls, guest access, multi-platform support, data export, and ad-free collaboration spaces.
United Kingdom
Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely, it is:
United States
Campfire is an installable, self-hosted group chat system. Easily invite people. Make rooms. @mentions, DMs, and mobile support. The basics done right. And since you get the code and host it yourself, you can customize it however you’d like for your own use.
United States
Internal social networking platform for organizations, enabling secure discussions, community building, events, polls, expert connections, analytics, and integration with Microsoft 365 tools to support engagement and workplace knowledge-sharing.
United States
Twist is a team communication service that emphasizes conversation organization and work relevance. It does so in a way that promotes asynchronous communication for more thoughtful discourse.
United States
Circuit collaboration software improves teamwork by bringing voice, video, screen-share, messaging, and file sharing together into a single platform with one unified view.
United States
Self-hosted chat platform enabling secure team messaging, file sharing, and group, voice, and video calls. Features native Android app, PWA web access, instant deployment, admin controls, white-label options, open-source code, and runs on any server.
United Kingdom
eXo Platform is an all-in-one digital workplace solution that helps you connect, align and engage your teams around a single interface. You can use it to improve company and peer-to-peer communication, boost collaboration and manage company knowledge.
France
EU
Secure self-hosted platform unites private and group messaging, voice and video meetings, meeting recording, file transfer, issue tracking, screen sharing, remote control, and flexible permissions for on-premises collaboration in both corporate and personal use cases.
United States
Stackfield is a secure All-in-one collaboration tool made in Germany. It combines project and task management, team chat, video calls, documents and more.
GermanyEU
kChat is a secure instant messaging for businesses, which makes it possible to discuss matters live and organise projects.
Switzerland
Flock is the fastest growing team messenger and loved by over 25,000 companies globally. It also comes with its powerful platform, FlockOS.
United States
