DNN DAL2 Poco Object Generator (https://dnndal2gen.codeplex.com/) - Put simply these are a set of templates designed to make the process of generating PetaPoco objects easier and building a comprehensive DAL around.
Encryptr (https://bitbucket.org/punkcoder/punkcoder.applications.encryptr) - a system for sending secure messages between two or more people, all data is encrypted at the endpoints and the server has no knowledge of the key, making it impossible to leak data.