Platform: <span>Web</span>

Maddy Mail Server GPL-3.0 Email Servers Linux Web v0.9.6 ★ 6,120 b1gMail GPL-2.0 Email Servers Web v7.4.1-pl2 ★ 30 WBO logo WBO Real-time collaborative whiteboard for teams to draw and diagram together AGPL-3.0 Messaging Web v2.18.32 ★ 2,679 Typebot AGPL-3.0 Messaging Web v3.19.1 ★ 10,605 Tuwunel Apache-2.0 Messaging Linux Web v1.9.4 ★ 2,735 Tiledesk MIT Messaging Web Windows v1.2.1 ★ 326 Spectrum 2 GPL-3.0 Messaging Web v2.2.1 ★ 421 SimpleX Chat logo SimpleX Chat Private messaging without user identifiers for people needing metadata-resistant chat AGPL-3.0 Messaging Android Linux v7.0.3 ★ 19,644 Shhh logo Shhh Encrypted secret sharing so sensitive info stays out of emails and chat logs MIT Messaging Web v3.2.4 ★ 420 Rocket.Chat MIT Messaging Web v8.9.0 ★ 46,372