Boardgamearena is an online boardgame platform which allows playing with friends and other people online. They provide over 200 board and card games, many also free.

Pont is an implementation of Qwirkle which works online and allows playing with other people.

Learn regex playfully by solving crosswords with regex hints.

The website allows searching for valid scrabble word which can be made from the letters. It supports different dictionaries. The website is only for English scrabble.

The C pointer game is a card game for teaching pointers and the concept of values and references. The game consists of cards with a printed memory layout and code cards and the goal is to find matching pairs.

The UNIX pipe game is a card game teaching how UNIX pipes allow combining simple commands to achieve more complex tasks. For the game a task is chosen from a given list. Each player pulls a card with commands like grep, tail, or sort, and has to try to complete the task.

Process Substitution is an extension to the base game adding more commands.

The Yahtzee position scorer takes the currently filled out values and dice roll and suggests the likely outcome of different game moves.