Abramowitz and Stegun: Handbook of Mathematical Functions - certainly interesting for all number crunchers. And since it's online, sometimes faster than a dead-tree version.
Archive 29. February 2008
Changes - graphical diff and merge. Looks very nice and can be integrated into various tools and version controls. Could be a usable alternative to the rather stiff XCode FileMerge. Also works via SFTP on remote servers. And the scripting language is F-Script, how cool is that? Unfortunately, it only runs from Leopard onwards.
Flying Meat: Acorn - an image editor previously unknown to me, which offers some interesting features, especially text layers (which I miss in some other tools, simply packing texts as bitmaps onto a layer is really not the same). I should take a look at it. No, Gimp is not really always the answer to the question "image editing?".
iMaginator - a tool that builds on Core Image. Comes with a whole set of Image Units that you might be able to use in Acorn as well (it can handle Image Units). Sounds quite interesting for some of the problems I keep encountering in image editing.
Special report: Fixing short iPhone battery life - I need to take a closer look at this, as I have the impression that the battery life of my iPhone is suboptimal. The WLAN part sounds particularly interesting - perhaps I can simply turn off WLAN, since I have an EDGE flat rate anyway.
vi & TextMate together at last - well. vi operation for Textmate. What I have learned, however, generally from all these projects (also those for Emacs): nothing is like vi, except vi (ok, I prefer of course vim, some comfort must be there). And shockingly, vi is still one of the easiest editors for me to use ...