Superfy - Awesome answers from awesome people

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

Wisdo - Learn from people who’ve been there

NumWorks - The graphing calculator that makes learning math easier.

Riverside.fm - 🎙 Easily to record remote podcasts and video interviews that look and sound like they were recorded in a professional recording studio.

SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.