BBC Sound Effects

More than 15,000 sound effects are made available by the BBC in WAV format to download for use under these terms:

https://github.com/bbcarchdev/Remarc/blob/master/doc/2016.09.27_RemArc_Content%20licence_Terms%20of%20Use_final.pdf

The Sound Effects are BBC copyright, but they may be used for personal, educational or research purposes.

http://bbcsfx.acropolis.org.uk/