MicroSIP is a portable SIP softphone based on the PJSIP stack available for Microsoft Windows.
License: Open Source
Jitsi is a robust open-source video conferencing tool that excels in features like encryption and multi-participant conferencing, while MicroSIP is a lightweight SIP-based solution focused on call quality and resource efficiency. Jitsi is ideal for larger meetings and collaborations, whereas MicroSIP is suited for individual or small team calls.