Project Euler – “Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.”
cl-dwim project – “A Common Lisp framework with SQL based persistent CLOS and UCW based ajaxy web gui. We are working on something that some people call an “application server”. It can also be described as a RoR killer, but… have you ever heard the word “vapourware”? :)”
The Athena Smalltalk – Athena – Athena comprises a set of tools to use the Smalltalk programming language in an embedded setting. Athena offers a small virtual machine written in Java, a shell, and a set of tools to program Athena from Squeak, an open Smalltalk dialect.
Bug Labs – BUG is a new kind of device, one that’s designed by you, not us. BUG is an open source, modular consumer electronics platform that makes building hardware just as easy as writing software or Web applications.