Holger Krekel (de)

Holger Krekel programs, studies and organizes with others since 1983. He was and is involved in several larger free software projects, among them the self-referential PyPy.org project (virtual machine and just-in-time compilation for the programming language Python), with fighting for and building the Trillke housing cooperative in northern germany, the development of meanwhile popular approaches to automated software testing (pytest.org) ... and in the last years also with an EU research project around decentralized messaging (nextleap.eu) and related initiatives around the federated e-mail ecosystem, namely new encryption methods (Autocrypt.org) and a new full-featured messenger (delta.chat) ... last but not least with the growing up of his meanwhile 6 years old child.