Communication
European communication platforms offer email, video conferencing, team chat, and messaging with end-to-end encryption and EU data residency. Privacy-first alternatives to US communication tools.
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Some links may be partner links. We may earn a commission. Listings remain independent and in alphabetical order.
Open-Source Alternatives
| Hosting | Open-Source | Maintained | License | Stars | Repo | Website | |
|---|---|---|---|---|---|---|---|
| Asterisk | GPL-2.0 | 3.2k | Website | ||||
| BigBlueButton | LGPL-3.0 | 9.1k | Website | ||||
| FreeSWITCH | MPL-2.0 | 4.9k | Website | ||||
| Jitsi Meet | Apache-2.0 | 29.2k | Website | ||||
| Kamailio | GPL-2.0 | 2.8k | Website | ||||
| listmonk | AGPL-3.0 | 20.0k | Website | ||||
| mailcow: dockerized | GPL-3.0 | 12.7k | Website | ||||
| Mailu | MIT | 7.2k | Website | ||||
| Mastodon | AGPL-3.0 | 49.9k | Website | ||||
| Mattermost | MIT | 36.6k | Website | ||||
| Pleroma | AGPL-3.0 | 6 | Website | ||||
| Postal | MIT | 16.5k | Website | ||||
| Rocket.Chat | MIT | 45.3k | Website | ||||
| Roundcube | GPL-3.0 | 7.0k | Website | ||||
| Stalwart | AGPL-3.0 | 12.7k | Website | ||||
| Synapse (Matrix homeserver) | AGPL-3.0 | 4.2k | Website | ||||
| Zulip | Apache-2.0 | 25.2k | Website |