Bitbeam is an open source construction toy/hardware prototyping platform. A collection of LEGO Technic compatible parts (beams) which can be combined to construct whatever contraption the user has thought up.
The Bitbeam project aims to define a set of parts which the users themselves can produce using increasingly available technologies for local fabrication like 3D printers, laser cutters and CNC mills.
Tapster is a robot that automates mobile application checking on a smartphone. It is built using bitbeam.
The latest post on the Bitbeam web site is from 2013 but it seems it is still an active project (it would be nice if they update the site).
Please add a comment if you now of updated information or of similar open source projects.
Related: Open Source Ecology: Using Open Engineering to Create Economic Benefit – Arduino Introduction Video Tutorial – 3D Printing at Home: Today, Challenges and Opportunities – Introduction Video on 3D Printing – Lego Mindstorms Robots Solving: Sudoku and Rubik’s Cube (2009)