The band recorded demos under both names and released a split EP with Lünch Meat, originally issued as Thanks (1986), later retitled Getting Shit for Growing Up Different.

Since then, a multitude of posthumous releases featuring Grohl have been issued, including MTV Unplugged in New York (1994), From the Muddy Banks of the Wishkah (1996), With the Lights Out (2004), and Live at Reading (2009).

In 2000, Grohl began work on the heavy metal side project Probot (2004), writing and performing the majority of the music himself.

While remaining active with Foo Fighters, Grohl has also contributed to an assortment of releases by other artists, ranging from solo acts such as Tony Iommi, David Bowie, Slash, and Michael Jackson to rock groups including Tenacious D, Queens of the Stone Age, Killing Joke, and Nine Inch Nails, among many others (see also: collaborations).

Grohl contributed the track "Vile" to the soundtrack of the documentary film Rising Sun: The Legend of Skateboarder Christian Hosoi (2006).