Research data organization
For emacs users there's the extremely useful org-mode. It is an emacs mode that, in plain ascii, help organizing your life or at least your research :) It has TODOs, deadlines, schedules, effort, tables with some computations capabilities, and lots of other features. It can export projects in LaTeX, html or other formats. Since it is text-based you can manage projects concurrently using some Distributed Concurrent Versions System, such as git or mercurial...