Anki is an open source flashcard program which has the capability to use add-ons. Programming questions about writing add-ons for Anki or the Anki source code are on-topic for Stack Overflow. Questions about how to use Anki or Anki plug-ins are off-topic for Stack Overflow.

Questions related to the clingo system of the potassco suite.

Daydream is a virtual reality (VR) platform developed by Google for Android Nougat, the seventh major version of the Android mobile operating system. It was announced at the Google I/O developer conference in May 2016, with the first VR headset released on November 10, 2016. It is built into the Android OS starting with Android 7.1 Nougat release. The platform includes software and hardware specifications, designating compatible phones "Daydream-ready".

Mongoose embeddable web server

An undefined function is a function that fails to execute when called due to the body of the function not being available to the program, compiler, or interpreter, looking for a function definition.

Python driver for RethinkDB

Ember Model (EM) is a simple and lightweight model library for Ember.

ChefSpec is a unit testing framework for testing Chef cookbooks. ChefSpec makes it easy to write examples and get fast feedback on cookbook changes without the need for virtual machines or cloud servers.

TweenJS is a simple tweening library for use in Javascript. It was developed to integrate well with the EaselJS library, but is not dependent on or specific to it. It supports tweening of both numeric object properties & CSS style properties. The API is simple but very powerful, making it easy to create complex tweens by chaining commands.