Konrad Völkel#Howto
Git for Mathematics
Beautiful New Fonts
Get your own LaTeX-enabled wiki in the cloud with Instiki on Heroku
An arrow notation for annotations
Managing Books
Froyo (and root) on Samsung Galaxy I9000 with Linux only
Mass renaming papers with BibTex+JabRef export filters
Managing news
Managing the paper's metadata
Managing papers
Managing contacts
Managing photos
Managing music
Managing bookmarks
Managing time
Managing personal notes