Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Ticket to Ride - Ticket to Ride is a Turn-based Strategy, Puzzle, Board, Co-op, Single, and Multiplayer video game created and published by Days of Wonder and Asmodee Digital.
Modelio - Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.
Lexica - An open source word-search game.
UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.
Othello - Othello is a Puzzle, Board, Single and Multiplayer video game in which the main task of the player increases his marbles in order to win the game.