A genre of music that basically describes any music inspired by grunge bands but isn't grunge. Usually post-grunge guitar is less distorted and the music is a little more pop inspired. This music has unfortunately dominated modern rock radio since about 1995.
Seether, Staind, Shinedown, Puddle of Mudd, Nickelback, 3 Doors Down, Three Days Grace, Matchbox 20, Candlebox, Foo Fighters, Audioslave, and Creed.
Stone Temple Pilots had a grunge sound on Core however, their later albums were post-grunge.