DrawPile - Drawpile is a drawing program that lets you share the canvas with other users in real time.
Numi App - Numi is a beautiful text calculator for Mac.
QueekyPaint - QueekyPaint is a unique browser-based drawing tool for creating animated drawings online.
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Aggie.io - Draw a picture together with your friends in real-time over the internet in your browser.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.