Here's what's cool about FLOWs (for NI Reaktor 6) from Tim Exile.
FLOWs is an algorithmic loop sequencer packed with 1GB+ of royalty-free loops meticulously curated from improvised jams on my Flow Machine from the last 5 years. Explore, mutate and create sonic structures with audio-reactive sculpting and stochastic modulation. Or let it play and zone out to the visualiser: it's for makers and listeners alike.
And it's FREE. If you feel the love you can donate too.
Requirements: Native Instruments Reaktor 6.