Smultron is a text editor for Mac OS. It supports different programming languages ​​, for which Smultron also dominates syntax highlighting. Developed Smultron by Peter Borg. Smultron is the Swedish word for wild strawberry, which also adorns the logo of the program.

Up to version 3.5 the program is available as freeware for free download, since the successor to Smultron 4, the current version of Peter Borg is distributed through the App Store. Since July 2012, is also an app available for both the iPhone and the iPad.