Vela is a mix between an instant messenger and an email manager. It has no centralized authentication service, everything is stored on the computers of its users, the communication is fully encrypted, and above all it's open source.
Gardener of Thoughts
Ideas, articles, software, a garden of thoughts.
Gardener of Thoughts (the novel, work in progress)
Lovzen is a webapp which helps you compare your personality with that of someone else, in order to see how well you two could do in a sentimental relationship.