DNA-Tools is a project mainly written in Vim Script, it's free.
few utils for people working with DNA sequences
This is a mirror of http://www.vim.org/scripts/script.php?script_id=1207
My $0.02 worth of... Working with DNA sequences, especially if you don't have a Unix machine handy might need a few tools. Some of the modifications are simple enough that even a trivial Vim script would deal with. What you can do:
Many thanks to Will Nater and Tim Chase for helping!
Version "1.0" means that, up to now, I did not have any screwed-up sequence, but this is far from saying that it's definitely foolproof.