Open-source & self-hosted messaging

SILICA

A self-hosted, open-source chat solution. Launch your server instantly on PC or VPS and reclaim your privacy.

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Organize your conversations into dedicated channels. Each one is isolated, archived, and searchable at any time, with no history limit.

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Join a voice channel in one click. Clear audio quality, low latency.

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Manage your server from a clean admin panel. Handle members, roles, and permissions in just a few clicks.

// FAQ

Yes, completely. SILICA is open-source and subscription-free. You host it yourself, so no hidden fees or feature limitations.
Yes and no. You can run the server directly on your PC, but we recommend using a VPS, a small one is more than enough.
We’re already working on the screen sharing and role permissions features.
Not at all. The GitHub repository includes a step-by-step installation guide (README) and a Docker Compose file to get you running in under 5 minutes.
Your server, your date ! It stays on your machine or your VPS. SILICA collects nothing and shares nothing with third parties.