The Enhanced File Crypt/eXtended File Stealth System (EFC/XFSS) makes your uploaded files safe on the server so that no one can read them without knowing a few details to decipher the files. It generates different obfuscated names and encrypted files so no one will know what the original format or name was.
fakedbfs is a suite of tools and a library for cataloguing files. Anything that is a file can be catalogued along with metadata. The metadata is then searchable through various querying facilities. It runs entirely in userland and was inspired by BFS, which doesn't do content indexing, only metadata.
WebGuru is a professional content management system for complete building of dynamic Web sites, oriented on search engine optimization and speed. The CMS is self-installing, multi-user, has full language switching support, and is a fully modular system. The backend supports users' permissions to access different part of the system, modules, editing pages, etc. The entire system is designed for strong SEO (search engine optimization). The Forms module can help you build customized forms and send anwers to a database or via email.