Description: GeoGebra is free and open-source dynamic mathematics software for all levels of education. It combines geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. It can be used to teach math from elementary through university level.
Type: software
Pricing: Open Source
Description: Org mode is a popular open-source note-taking and organization tool for Emacs. It uses plain text files along with outlines to organize tasks, create to-do lists, take notes, and keep planning details organized.
Type: software
Pricing: Open Source