- Debugging — Thursday, Oct 28, 2021
- No More Mr State Machine — Tuesday, Oct 21, 2014
- Ponoko API gem — Wednesday, Oct 26, 2011
- Chronic gem — Wednesday, Aug 27, 2008
- Extending Ruby with C — Tuesday, Apr 29, 2008
- REST Client — Tuesday, Apr 29, 2008
- Testing — Tuesday, Aug 29, 2006
