Open Transactions is a solid, easy-to-use, financial crypto and digital cash library, including an API, server, and test client. It features anonymous numbered accounts, untraceable digital cash, triple-signed receipts, basket currencies, and signed XML contracts. It also supports cheques, invoices, payment plans, markets with trades, and other instruments. It uses OpenSSL and Lucre blinded tokens.
setiQuest is a project that empowers earthlings everywhere to become active participants in the search for cosmic company. It includes two software systems. SonATA detects the evidence of extra-terrestrial technology in data that has been collected, and SetiQuest Explorer is an Android app through which anyone can access the same telescope data and visually detect evidence of alien technology.