If you're looking for a Cadenza alternative, Staccato is definitely worth a look. Staccato provides AI tools to create music loops, samples and drum tracks, as well as lyrics. It works with common DAWs and notation software, and has an educational section to help you learn how to improve your production and songwriting. The site offers a free trial and several subscription tiers depending on your needs.
Another good alternative is WavTool, a web-based tool that uses generative AI to help you work more efficiently. It includes a multi-modal chatbot, MIDI continuation, audio generation and stem separation. WavTool supports VST & AU plugins and offers a range of pricing options depending on how much you want to use, so it's good for musicians who want to dip their toes in the water or go all in.
Fadr also has a range of AI tools for music production, including a vocal remover, song splitter and key/tempo/chord detector. It's got remix and mashup abilities, stem extraction and a DJ controller. Fadr offers a free Basic plan and a Plus plan with more advanced features, so it's good for musicians who want to get more out of their music.
If you're interested in AI composition tools, Beat Shaper generates beats, basslines, melodies and VST presets based on your style. It works with DAWs and has dynamic melody generation and original audio sample generation, so it's good for breaking through creative blocks and boosting productivity.