A Hacker News thread introduced me to most of these: http://www.typetester.org/ http://www.theleagueofmoveabletype.com/ http://typekit.com/ http://code.google.com/apis/webfonts/ http://openfontlibrary.org/
About EvanWorks on a sight reading practice tool for musicians and music teachers, and loves making Try Arc better in his spare time.
Related to Google App Engine: buntin.org: Leinengen + Clojure + Google App Engine = Interesting… sethtrain’s Beget El Humidor: Clojure on Google AppEngine Compojure on GAE Hacker News comment Hackers With Attitude etc: leiningen tutorial, including explanation of SNAPSHOT in project.clj :dependencies
Clojure for Lisp Programmers taught me a lot about Rich Hickey’s design choices for Clojure and helped me get excited about the language. Great introduction.