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AnytypeNotes & Knowledge ManagementAnytype is a local-first knowledge and collaboration app from the Swiss Any Association. Data lives in an encrypted vault on each device and syncs peer-to-peer, through the Anytype Network or through a self-hosted any-sync network.CommercialSelf-hostedFreemium
BuzzTeam Chat & MeetingsBuzz is an Apache 2.0 workspace from Block in which humans and coding agents such as goose, Codex and Claude Code join the same channels with their own keys. A Rust Nostr relay stores signed events in Postgres; desktop apps cover macOS, Linux and Windows.Open sourceSelf-hosted
CinnyTeam Chat & MeetingsAGPL-3.0 Matrix client written in React and TypeScript with spaces, end-to-end encryption, voice and video rooms and themes. Use the hosted web app, the Tauri desktop apps or self-host the static build or Docker image.Open sourceSelf-hosted
ColanodeTeam Chat & MeetingsColanode combines channels, rich-text pages, databases and file storage in one Apache-2.0 workspace. Clients sync from local SQLite, and the server runs on PostgreSQL, Valkey and S3-compatible or local storage.Open sourceSelf-hostedFreemium
ElementTeam Chat & MeetingsElement is the open-source Matrix client from Element Creations for browsers, Windows, macOS and Linux. It connects to any Matrix homeserver, encrypts DMs and private rooms by default and can be self-hosted as static files, a Debian package or a Docker image.Open sourceSelf-hostedFreemium
HeightProject ManagementHeight was a task tracker with per-task chat, collaborative editing and AI triage features. The company announced its closure, with September 24, 2025 as the final day of service. This page is a historical record.CommercialWeb platformFreemium
HulyProject ManagementHuly is an EPL-2.0 platform for issue tracking, team planning, chat, collaborative documents, virtual office calls, HR and recruiting. The hosted service has shut down and the original repository is frozen, so new deployments run on Docker Compose or Kubernetes.Open sourceSelf-hosted
MacroTeam Chat & MeetingsMacro is an open-source workspace from Macro Inc. that puts Gmail and Outlook email, channels, markdown docs, tasks, calls, calendar, databases and a CRM behind one inbox, with @links, shared AI memory and an MCP server. Hosted plans start free; self-hosting is allowed under AGPLv3.Open sourceSelf-hostedFreemium
MattermostTeam Chat & MeetingsMattermost is an open core, self-hosted collaboration platform with channels, threads, playbooks, boards, audio calls and AI agents. It runs on Go and PostgreSQL, with a free Entry mode and paid plans sold by quote.Open sourceSelf-hostedFreemium
ONCE CampfireTeam Chat & MeetingsRails group chat you run on your own server with Docker or the ONCE installer. It has rooms with access controls, direct messages, file attachments, search, Web Push, @mentions and a bot API, with no subscription.Open sourceSelf-hosted
Rocket.ChatTeam Chat & MeetingsRocket.Chat is a TypeScript and MongoDB communication platform for channels, threads, calls, Matrix federation and customer conversations. The core is MIT-licensed and self-hosted with Docker or Kubernetes; enterprise features and add-ons need a paid plan.Open sourceSelf-hostedFreemium
StoatTeam Chat & MeetingsStoat, formerly Revolt, is an AGPL-licensed chat platform for communities with servers, channels, roles, group DMs, LiveKit voice and a REST and WebSocket API. Use the free stoat.chat service or self-host the Rust backend with Docker Compose.Open sourceSelf-hosted
Virola MessengerProTeam Chat & MeetingsVirola Messenger is a closed-source, self-hosted team messenger for Windows, macOS, Linux, Docker, iOS and Android with chat, video meetings, remote control, a Kanban task board and LDAP. Free for up to 10 online users.CommercialSelf-hostedFreemium