Calcbot for Apple Watch - Calculate, convert, and split tips from your wrist
Ring4 Meeting - Dead simple video conferencing - free, in browser
SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.
Fellow.app - A manager’s co-pilot for 1:1s, meetings, feedback & goals 🚀
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
openmeet - Account free video conferencing with a rooms component that lets you use VC within a physical meeting room. The server can also be hosted in your own cloud for extra privacy/security.