Search companies, categories and pages
19 of 25 Communication companies publish their source under an open-source license
19 companies
Decentralized social network built on the AT Protocol
CommunicationMITest. 2021
Open-source customer engagement and support platform
CommunicationMITest. 2021
Open-source discussion and community platform
CommunicationGPL-2.0est. 2013
Open-source customer engagement and messaging automation
CommunicationMITest. 2022
Secure, decentralised communication built on Matrix
CommunicationAGPL-3.0est. 2017
Company behind Zulip, organized threaded team chat
CommunicationApache-2.0est. 2012
Open-source realtime voice, video and AI agent infrastructure
CommunicationApache-2.0est. 2021
Secure collaboration platform for technical and mission-critical teams
CommunicationAGPL-3.0est. 2016
Node.js-based community forum software
CommunicationGPL-3.0est. 2013
Open-source notification infrastructure
CommunicationMITest. 2021
Email and collaboration software; owner of Dovecot and PowerDNS
Communication
Open-source SIP server for VoIP
Communicationest. 2008
GDPR-compliant open-source video conferencing
Communicationest. 2021
Self-hosted video conferencing and WebRTC platform
Communication
Open-source social media scheduling tool
CommunicationAGPL-3.0est. 2024
Secure communications platform for team chat and omnichannel
CommunicationMITest. 2015
All-in-one mail and collaboration server written in Rust
CommunicationAGPL-3.0est. 2019
End-to-end encrypted collaboration platform
CommunicationGPL-3.0est. 2012
Web-based open-source helpdesk and customer support system
CommunicationAGPL-3.0est. 2015