See the Links at http://gnunet.org/doodle/#links
Desktop and/or Email Searches (indexed)
swish (GPL)
doodle (GPL)
beagle in gnome.. when it is stable, is promising!
nnir -- kensanata: since it is part of gnus, maybe decoding works correctly... ?
medusa -- see http://www.webservertalk.com/message462522.html
kat
(NONFREE: glimpse)
mairix
namazu2
KDE is working on one..
No indexing
gnome-search-tool --> find files --> search contents..
kensanata> grep -R -l -i foo ~/Mail
C-u i "ls -alR" and A in dired ..
grepmail
Music: audiolinks
Images
gnuift
kmrml
Approximate searching:
whichman
(agrep -- NONFREE)
M-x apt-utils-search-package for approxmiate, grep, etc.
In general, apt-utils-search for "search" or "indexing" and C-s for search among the results.