Kalman Filter textbook using Ipython Notebook. This book takes a minimally mathematical approach, focusing on building intuition and experience, not formal proofs. Includes Kalman filters, Extended Kalman filters, unscented filters, and more. Includes exercises with solutions.

Python Filter Design Analysis Tool

An AngularJS filter and directive for converting text into emoticons, embedding videos (youtube/vimeo/mp4/ogg etc.), audio, pdf, and highlighting code syntax in an ordinary text string.

A Drupal pre-commit hook to filter php, js, and css syntax errors. This script also checks the file(s) to make sure that the Drupal coding standard is being followed.

filter arrays using mongodb queries

Form filter API provides a nice filtering mechanism. Easy to use. Less development for table results page.

A CSS3 and jQuery Filter & Sort Plugin

Filter if a specific key is present or not in event logs

Image filter for Unity3D (Pro-only) to help preview what your game will look like to people suffering from color blindness.

Sync an object with Firebase in Angular, and filter the object

jQuery plugin. Reorder and filter items with a nice shuffling animation.