Some mathematical blogs:
- Terence Tao's blog,
- non-commutative
geometry blog, with bloggers including Alain Connes,
- rigorous trivialities blog,
a blog with a strong algebraic geometry content,
- John Baez's
"this week's finds in mathematical physics",
- Peter
Woit's "Not even wrong" blog,
- the secret blogging
seminar, a blog maintained by 8 UC Berkeley math phd's,
- the n-category cafe,
a blog on category theory and physics, similar to John Baez's research
(in fact, he is one of the bloggers).
Outside mathematics:
- Ubuntu, a really good linux
distribution which is of course free and open-source,
- freechess.org, a website
for chess enthusiasts, where you can download free graphical
interfaces that let you connect to the FICS chess server,
- the chessgames website,
which has a huge database of chess games between great chess players.
- Blender 3d, a free and
cross-platform software to create 3d drawings and animations. Here is
for instance Jan Kurka's Castle Estel
(using Blender) from the July 2004 archive Blender
gallery:
