Bunch of useful filters for AngularJS (with no external dependencies!)
WPF UI to help users build collection filters
10 years. 6 filters. 1 tiny patch of sky. Thousands of time-variable cosmological distance probes.
Signal Processing Using C++ - Digital filters, Equalizer, Comm building blocks
Android filters based on OpenGL (idea from GPUImage for iOS)
Model managements, using rule based filters at the row and field levels.
Basic function that searches / filters any object or function and returns matched properties.
Useful filters for Polymer
Twig extra filters and extensions
The PHP Hooks Class is a fork of the WordPress filters hook system rolled in to a class to be ported into any php based system .