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

Ryan C. Thompson 9baa7cc13b Add underscore to unused variable vor 11 Jahren
ChangeLog 10ea202d34 Implement whitelist for collection functions vor 11 Jahren
README.md 7a258468d4 Version 1.7 vor 12 Jahren
ido-ubiquitous.el 9baa7cc13b Add underscore to unused variable vor 11 Jahren

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