extending support to various media types, not just browser
It would be nice if Choosy could support something other than a browser. Maybe mail applications, Media Players or something else.
For this functionality you should check out RCDefaultApp from Rubicode http://www.rubicode.com/Software/RCDefaultApp/
It also hasn't been updated for ages, but — like Choosy — still works great on 10.11.x El Capitan.
Jody Foo commented
At the moment, I use Magic Launch to provide rules for which application to use to open certain files. I just found out that I can use Choosy to work as a selector for any file.
Here is my rule for selecting PDF application: http://glui.me/?i=5m44u74fe84xk09/2015-11-06_at_08.36_2x.png/
What you need to do is to go to ~/Library/PreferencePanes/Choosy.prefPane/Contents/Resources/ and make an alias of Choosy.app and put it into your /Applications folder. Then you change whatever filetype you want to always open with Choosy.app and have the appropriate rule set up.
I concur with support for multiple document types e.g. pdfs, office documents, etc. I'd love it if I PDFs could open with Acrobat with the shift key and Preview without a modifier key.
Stephen Wade commented
You can add any program to the list of browsers from the Add menu.
Microsoft Office documents – i.e. choose between Office and iWork. PDFs – choose between Preview and Adobe Reader. If Choosy could be used for all filetypes it would be great!
Bill Morgan commented
Extend Choosy's behavior to any user-chosen filetypes, to compensate for Snow Leopards broken Creator Codes.