Alignment editor for Mac OS X
Seqotron is a user-friendly sequence editor. It is written in Objective-C/Cocoa and runs on Mac OS X.
Download Seqotron binaries
A quick overview of Seqotron
User manual [PDF]
Mathieu Fourment and Edward C. Holmes. Seqotron: a user-friendly sequence editor for Mac OS X. BMC Res Notes, 2016, 17;9(1):106