Compare the best free and open-source alternatives to Telegram — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.
Curated by open-source.store · Updated November 2026 · 3 alternatives
Twake Chat is an open-source, Matrix-based team chat client that replaces Slack with self-hosted, end-to-end encrypted messaging and data sovereignty.
vs Telegram: a free, open-source option you fully control, licensed AGPL-3.0.