Science

Apps

AlgebraMathematical models

GAMS Studio

Official development environment of the General Algebraic Modeling System

Geodata

QField

Geodata collection app.

Planetarium

Stellarium

Stellarium is a free open source planetarium for your computer.

Censorship-resistance software

OONI Probe

OONI Probe is a free and open source software designed to measure internet censorship and other forms of network interference.

Reference manager

Mendeley

The free all-in-one reference manager

Chemistry

Avogadro

Advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas