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

Ryan C. Thompson da28383d26 Don't allow overrides to be defined for "nil" vor 11 Jahren
ChangeLog 729dc2f106 Update changelog vor 11 Jahren
README.md 7a258468d4 Version 1.7 vor 12 Jahren
ido-ubiquitous.el da28383d26 Don't allow overrides to be defined for "nil" 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