ChordU - Extracts chords from any song, integrated YouTube.
Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
Tune Transcriber - Learn and transcribe music for free from your web browser (no install needed).
AmpliTube - Guitar Amp & FX modeling plug-in • Amp, Stomp, Cabinet + Mic, Rack FX modeling
Amazing Slow Downer - !A slow down music software for Mac and Windows computers - Amazing Slow Downer
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.