Open Travel Data

AltairStudios.Core   (Compare Project)

Mostly written in JavaScript

License: gpl, mit

TnFOX   (Compare Project)

Mostly written in C++

License: lgpl

Concrete5   (Compare Project)

License: mit

Ikarus Framework   (Compare Project)

Mostly written in JavaScript

License: lgpl3

Arta   (Compare Project)

Mostly written in PHP

License: gpl3_or_later

Puzzle-GIS   (Compare Project)

License: lgpl3

OrbisGIS   (Compare Project)

Mostly written in Java

License: gpl3_or_later

leveldb   (Compare Project)

Mostly written in C++

License: BSD-3-Clause

Diem, a symfony CMS & CMF   (Compare Project)

Mostly written in PHP

License: mit

Elefant CMS   (Compare Project)

Mostly written in JavaScript

License: mit