CotEditor is a open sourced, Cocoa-based plain text editor for OS X. It supports syntax highlighting, powerful find and replace with OniGmo (regular expression engine) and other small goodies for coding. It can handle also CJK languages well.
- Available in the Mac App Store
- Improvements for the vertical text orientation
- Faster syntax highlighting
- Print feature improvement
- El Capitan support
- OS X 10.8 or later