The missing Spotlight plugin system

The missing AngularJS 1.x WebSocket module for connecting client applications to servers.

AdminBundle - The missing Symfony2 Admin Generator

The missing, migrations, arm of the octopus

Adds support for missing PostgreSQL data types to ActiveRecord

Spriting that sass has been missing

Yet another (but missing) simple JSON/XML HTTP RESTful client library for Java

The missing utils for working with Scala Futures

Magento's missing Redis service manager

the missing angular models

The missing package manager for OS X.

The missing link between Symfonys Acl implementation and your application.

Missing functionalities from model objects of WordPress.

Missing messaging features from churchworks

The missing package manager for OS X.

You favorite front-end framework, plus everything it's missing.

Detects links that don't work, missing images and redirects.