Slate Digital’s SEISMIC is a free drum sample pack, with 800 royalty-free drum samples

These free drum loops, percussion loops, one shots and construction kits are perfect for your pop, hip-hop, dance and electronic tracks.

How to upload your own music or sound effects to Synchedin

While anyone can apply to upload sound effects, currently music submissions on Synchedin are invite-only.

Function Loops are giving away 400MB of electronic music samples, loops and MIDI files, completely free

The ‘New Year Free Samples Pack’ from Function Loops contains 150 individual royalty-free audio samples, loops and MIDI files.