Platform: <span>Web</span>

RetroShare GPL-2.0 Messaging Linux macOS v0.6.7.2 ★ 2,027 PushBits logo PushBits Send web API push notifications to Matrix users without another app. ISC Messaging Linux Web v0.10.7 ★ 371 OTS Apache-2.0 Messaging Linux macOS v1.23.1 ★ 810 OpenWA MIT Messaging Web v0.27.1 ★ 16,536 ntfy Apache-2.0 Messaging Linux macOS v2.37.2 ★ 35,307 Notifo logo Notifo Multi-channel notifications for apps that need to keep their users informed MIT Messaging Web v1.3.0 ★ 885 Hyphanet GPL-2.0 Messaging Web vwebsite-new-btc-donation-address-20211222 ★ 34 GlobaLeaks AGPL-3.0 Messaging Web v0.0.3 ★ 8 Continuwuity Apache-2.0 Messaging Web v26.7.2 ★ 1,160 Databag logo Databag A federated messenger for people who want to host their own messaging service Apache-2.0 Messaging Web v1.1.1021 ★ 1,512