- scala-json 200 Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc.
- scala-stats 43 Scala library for tracking runtime metrics. Use it to keep track of latency, events, exception counts, etc.
- emacs 32 emacs customizations for stevej
- ostrich 13 stats collector & reporter for scala servers
- osdev 10 A hobby operating system built mostly from scratch.