Caffeine is an application framework oriented to services. The code applies ISO 9945:1996 (POSIX) and ISO 9899:1990 (C99) standards. Isn't finished or ready for production/stable releases, but I hope you can contribute with the project.
Open Legacy Storage Document: Generic Document Archiving on Disk and Network(using MINA) Framework in Java for huge number of docs(up to 2^192 documents), efficient(Java NIO), crypto, net transfert, web retrieve, J2EE and eMail archiving compatible.