Open-source & local-first Slack and Notion alternative.

Text and video chat that just works right away

Project Management Software with Unlimited Users & Built-in AI

Team chat, without the noise.

Zulip — organized team chat

Super simple group chat, without a subscription. And you get the code, too.

Self-hosted team chat, forum, kanban and website support

Chat, calls, files & docs in one open-source app

Secure collaboration and messaging

Free online workspace for your business: CRM, tasks, online meetings, and more.