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

Ryan C. Thompson 653b65facd Always advise "call-interactively" il y a 12 ans
ChangeLog f53c9dd6cc Version 2.5 il y a 12 ans
README.md 7a258468d4 Version 1.7 il y a 12 ans
ido-ubiquitous.el 653b65facd Always advise "call-interactively" il y a 12 ans

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