Fancy completion all over Emacs, not just for buffers and files. https://github.com/DarwinAwardWinner/ido-completing-read-plus

Ryan C. Thompson 0f3bb8929f Hack around a defadvice bug that causes a load error 11 years ago
ChangeLog 729dc2f106 Update changelog 11 years ago
README.md 7a258468d4 Version 1.7 12 years ago
ido-ubiquitous.el 0f3bb8929f Hack around a defadvice bug that causes a load error 11 years ago

README.md

ido-ubiquitous

Gimme some ido... everywhere!

Does what you were really hoping for when you did (setq ido-everywhere t). Replaces stock emacs completion with ido completion wherever it is possible to do so without breaking things.

Get it from http://marmalade-repo.org/packages/ido-ubiquitous