github.com/Tinode/chat (go): Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
Keywords: chat|chat-application|chatapp|chatbots|chatserver|collaboration|go|golang|instant-messaging|messaging|messaging-api|messenger|telegram|video-call|video-chat|video-conferencing|webchat-server|webrtc|whatsapp|xmpp