Oh My Fish is described as 'For use with Fish shell: fish'. There are seven alternatives to Oh My Fish for a variety of platforms, including Mac, Linux, zsh, BSD and Windows. The best alternative is Oh My Zsh, which is both free and Open Source. Other great apps like Oh My Fish are Antigen (Free, Open Source), Prezto (Free, Open Source), zgen (Free, Open Source) and zplug (Free, Open Source).
Antigen is a small set of functions that help you easily manage your shell (zsh) plugins, called bundles. The concept is pretty much the same as bundles in a typical vim+pathogen setup. Antigen is to zsh, what Vundle is to vim.
Flawless is a Mac desktop app to facilitate iOS development by helping you compare between mockups and implemented designs in real time. The tool includes overlay and split comparison modes with built-in iOS simulator to help ensure designs are as expected.