A number of useful filters for Twig
Useful extensions for the league/commonmark parser
Useful Twig extensions for your Symfony project.
[READ-ONLY] 'stats' and 'ignore' error format, solid Symfony SplFileInfo and other useful extensions for PHPStan
A custom update checker for WordPress plugins. Useful if you don't want to host your project in the official WP repository, but would still like it to support automatic updates. Despite the name, it also works with themes.
A collection of useful form types and extensions for Symfony2.
Module for Silverstripe CMS with some useful classes including extensions to static publishing.
Several Twig extensions with some useful functions and filters that can improve development experience.