2. OptparsePortable, reentrant, getopt-like option parser
4. PdjsonC JSON parser library that doesn't suck
6. Resurrect JsJavaScript serialization that preserves behavior and reference circularity.
21. Rng JsJavaScript seedable random number generation tools.
41. simplegpgSimplified, signify-like interface to GnuPG signatures
43. at-elPrototype-based Emacs Lisp object system