- Making your own battery-powered iPod charger
- Making some open source beer: a joke based around the “free as in speech” – “free as in beer” distinction
- Playing around with free planetarium software (for Linux, Windows, and Mac OS X)
- Making a persistence of vision display for your bike wheels (parts less than $40)
They are also selling a neat Leatherman warranty voider, in case you know a geek that does not yet have a multi-tool. (I have two: a Swisstool X and a little SOG Crosscut on my keychain). Their philosophy of “If you can’t open it, you don’t own it” is increasingly relevant in a world where manufacturers are allowing fewer and fewer things to be done by those who purchase their products.
I have long been a huge fan of open source software. The blog runs on Redhat Linux, using Apache Server, and both WordPress and MediaWiki are open source projects. All of these pieces of software can be used for free, even more usually, your right to take them apart and rebuild is limited only by your creativity. Wikipedia is probably the best website ever created, and it is all about collective effort and shared information.