11 tools match your filters
SaaS
An open-source Discord alternative
Delightfully simple forum software
Open-source, self-hostable team messaging
Secure, decentralized messaging on Matrix
Open-source DocSend alternative
Open-source ticket management system
Secure Matrix-based messaging
Low-latency open-source voice chat
The open-source DocuSign alternative
Open-source team communication platform
Self-hosted private video calls and chat