Sister Projects

OpenGeoIP

An open database of GeoIP-data, to aid in resolving the country of your visitors. Accepts user contributions and distributes the updates to the other users, thus providing a community platform for IP to Country resolution.

Website:  http://opengeoip.trefemma.com

OpenZipcode

An open database of zipcodes and their related info. Excellent for e-commerce sites. Currently only contains Swedish zipcodes.

Website not yet available

Website:  http://projects.trefemma.com/openzipcode

Biki

Collaborative editing of structured documents. Create your book, select the template, grant permissions to your team, and start adding chapters. Other users can then browse the book and download it in PDF format. Ever wanted to create your own dictionary of obscure programming terms? Biki lets you do just that. And more!

Website not yet available

Website:  http://projects.trefemma.com/biki