Description: CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.
Type: software
Pricing: Open Source
Description: Gotalk is an open source, self-hosted team chat and collaboration platform. It offers features like public/private channels, direct messaging, file sharing, search, integrations and more. Gotalk aims to provide a simple and easy to use communication tool for teams.
Type: software
Pricing: Open Source