The Big Fat Indie Games Lists
The Pixel Prospector guys made some great compilations of links to help both gamers and [wanna-bes] indie game devs.
The first of all was The Big List Of Indie Game Sites, with sites and forums about indie games.
Them, there was The Big List Of Game Development Resources, which has great links of tools/tips/tutorials for game design, music, graphics and programming. Is useful both for noobs that need to learn from scratch and for semi-pros devs that just need to polish up their skills or solve a crazy last minute bug.
The last list released was The Big List Of Indie Marketing And Business Tips, consisting of a great bunch of links with both ideas and tools for marketing and business management to low costs indie games.