A simple CSV editor for the Mac
the SSH library
"FromMySqlToPostgreSql" - the database migration tool.
Provides a category method for NSAlert to use a block based API on OS X before Mavericks
Mac software licensing code using cryptographically signed license files
Public issue tracking for Postico
Random collection of Cocoa classes and categories, most of which have been featured on my blog: http://www.noodlesoft.com/blog
Categories for NSView / UIView that provide very concise methods for adding constraints.
MDB Tools - Read Access databases on *nix