Ambigram Resources:

Flickr ambigram group ~ An active online community sharing and contructively critiquing our collective work. A great place to turn if you're looking for help and encouragement from artists of all ages and accomplishment.

John Langdon ~ Author of Wordplay and master ambigrammist.

Scott Kim ~ Legendary puzzlemaster and creator of 'inversions' (his word for ambigrams).

Ed Xander ~ An inventive, truly unique member of the flickr group and our resident spinonym expert!

Tom Banwell ~ I met Tom through of our shared love of ambigrams. He's an innovative artist and true 'Renaissance Man' who's practically mastered all media.

Ambigrams by nagfa ~ A blog of inspired original work and a monthly challenge that draws some of the best ambigram artists from around the world!

Free and Open Source Software Resources:

Slackware ~ "The Official Release of Slackware Linux by Patrick Volkerding is an advanced Linux operating system, designed with the twin goals of ease of use and stability as top priorities. Including the latest popular software while retaining a sense of tradition, providing simplicity and ease of use alongside flexibility and power, Slackware brings the best of all worlds to the table."

Inkscape ~ "An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format."

GIMP ~ "GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages."