Async is a web application that helps small teams of software engineers have deep uninterrupted discussions and build more focused software.

Rocket.Chat is described as 'Open-source messaging platform with real-time group, direct, and private chats, file sharing, video conferencing, custom integrations, and self-hosting' and is a very popular Group Chat app in the social & communications category. There are more than 100 alternatives to Rocket.Chat for a variety of platforms, including Web-based, Android, iPhone, Windows and Mac apps. The best Rocket.Chat alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Discord. Other great apps like Rocket.Chat are Jitsi Meet, Slack, Mattermost and Zulip.
Async is a web application that helps small teams of software engineers have deep uninterrupted discussions and build more focused software.

Zero Knowledge, end-to-end encrypted collaboration tool for teams and businesses. Reviewable source code. Python wrapper for bots & integrations. Encryption white paper. Native offline mode. Faster file-sharing. Built for enterprise.




PrivMX Fusion is safe and easy collaboration software for all kinds of teams, with virtual workspace protected by end-to-end encryption. Each team uses desktop/laptop client software and its own (zero-knowledge) PrivMX Team Server.




Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased.

The best free video conference and screen sharing website Share your link to host your own free video meetings powered by huddle.live.


Team.biz is a messaging service for companies, teams, and professionals. Team administration, group messaging, add guests, text (SMS and MMS), open and private topics, drag & drop image and doc sharing, edit messages, view message history, and more.




JANDI is a group-oriented enterprise messaging platform with an integrated suite of collaboration tools for workplace.







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.



Sylk Suite allows the creation and delivery of rich multimedia applications accessed by SIP Clients, XMPP endpoints and WebRTC applications.








The future of Team collaboration. Secure. Cross platform. Manage Teams, Groups, Private & Public Channels. Invite. Meet. Work. Automate with over 700'000 Apps. Built-in Webinar & Webmeetings. Available as PrivateCloud or On Premise. Decentralized.



