- Amazon Kindle official GPL source code
- Kindle keyboard shortcuts and other reference
- Latest jailbreak appears to be one from NiLuJe (forum). It's known to work with firmware 3.3. Hacks/updates should be copied to Kindle USB drive root.
- SirAlex's page
- Intro for writing kindlets
Linux kernel module tricks:
- How to bind Linux driver to device whose IDs it doesn't know (yet), without recompiling
- Building a kernel module separately (build module from a kernel source tarball using currently installed kernel config)