# mssgs

> mssgs is a group chat app for friends, communities and teams, built in the Netherlands. Channels, DMs, voice and video calls with screen sharing, eight built-in games, file sharing, custom bots and webhooks, with all data hosted 100% in the EU (Netherlands/Germany), GDPR compliance, and end-to-end encryption for private chats. Free to start, no credit card needed.

Key facts:

- Product: group/team chat application. Native apps for iOS, Android, macOS and Windows, a Linux build, and a web app at https://mss.gs/app
- Maker: RUAL, a Dutch software company from Brummen with 15+ years of experience in software. Bootstrapped, no VC funding.
- Data residency: 100% on servers in the EU (Netherlands/Germany); data never leaves Europe
- Security: end-to-end encryption for private chats, AES-256 encryption at rest, TLS in transit, two-factor authentication, GDPR compliant, data processing agreement available, breach notification within 72 hours
- Privacy: no ads, user data is never sold, no AI training on message content
- Pricing: free to start, no credit card needed. Group accounts and work accounts (work accounts add workflow automations)
- Games: eight games playable directly in the chat: Four in a Row, Battleship, Checkers, Stratego, Word Guesser, Snake, Snake Capture and Monopoly
- Integrations: GitHub, Unifi, global and per-channel webhooks, custom triggers (/command → webhook), REST API, custom bots, AI assistants via the desktop app's local MCP server (with a real-time SSE event stream for bot button clicks, reactions and replies)
- Not (yet) available: offline use
- Data portability: full export at any time; after cancellation 30 days to export, then permanent deletion
- Support: support@mss.gs (response usually within 24 hours)

Every page below also exists as HTML (drop the .md suffix). Dutch versions: replace /en/ with /nl/.

## Product

- [Features](https://mss.gs/en/features.md): full feature overview
- [Security & privacy](https://mss.gs/en/security.md): encryption, hosting, GDPR
- [FAQ](https://mss.gs/en/faq.md): pricing, features, privacy, support
- [Downloads](https://mss.gs/en/downloads.md): all platforms
- [Games](https://mss.gs/en/games.md): the built-in games
- [Use cases](https://mss.gs/en/use-cases.md): friend groups, communities, teams
- [Integrations](https://mss.gs/en/integrations.md): GitHub, Unifi, webhooks
- [About](https://mss.gs/en/about.md): the company behind mssgs

## Comparisons

- [mssgs vs Slack](https://mss.gs/en/mssgs-vs-slack.md): the European Slack alternative
- [mssgs vs Discord](https://mss.gs/en/mssgs-vs-discord.md)
- [mssgs vs Microsoft Teams](https://mss.gs/en/mssgs-vs-teams.md)

## Developer docs

- [Docs overview](https://mss.gs/en/docs.md): REST API, webhooks, bots
- [Bots, embed & action messages](https://mss.gs/en/docs/bots.md)

## Help desk

- [Help desk](https://mss.gs/en/help.md): search-first help center index
- [Getting Started](https://mss.gs/en/help/getting-started.md): install, account, quick start
- [Messaging](https://mss.gs/en/help/messaging.md): DMs, groups, media, formatting
- [Games](https://mss.gs/en/help/games.md): lobbies, invites and all eight games
- [Tools](https://mss.gs/en/help/tools.md): reminders, ghost mode, voice memos, slash commands
- [Bots & MCP](https://mss.gs/en/help/bots-mcp.md): connect AI assistants, build bots
- [Account & Settings](https://mss.gs/en/help/account.md): profile, privacy, notifications
- [Troubleshooting](https://mss.gs/en/help/troubleshooting.md): common issues, contact support

Every article also exists as markdown: append .md to any /en/help/... URL.

## Optional

- [Creators](https://mss.gs/en/creators.md)
- [Moderators](https://mss.gs/en/moderators.md)
- [Status](https://mss.gs/en/status.md)
- [Full content dump](https://mss.gs/llms-full.txt): all key pages as one markdown document