b2evolution

WordPress   (Compare Project)

Mostly written in PHP

License: gpl

Movable Type   (Compare Project)

Mostly written in Perl

License: gpl

WordPress MU   (Compare Project)

Mostly written in PHP

License: gpl

Known   (Compare Project)

License: apache_2

Serendipity   (Compare Project)

Mostly written in PHP

License: BSD-3-Clause

Jus5   (Compare Project)

Mostly written in JavaScript

License: BSD-3-Clause

Geeklog   (Compare Project)

License: gpl

glFusion CMS   (Compare Project)

Mostly written in PHP

License: gpl

Pines   (Compare Project)

Mostly written in PHP

License: Unknown

okatea   (Compare Project)

Mostly written in PHP

License: mit