Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources.  This version relies on an existing installation of Firefox ESR52.  Also compiles custom poppler utils from source. 

ZnapZend is a ZFS centric backup tool.  It relies on snapshot, send and receive todo its work.  It has the built-in ability to manage both local snapshots as well as remote copies by thining them out as time progresses.