If you're looking for AI-powered songwriting help to get past writer's block, Staccato is a good choice. The tool has an AI Instrument that produces music loops and samples and an AI Lyrics Generator that can help with lyrics, rewriting and analyzing songwriting styles. Staccato can be integrated with common DAWs and notation software, and it's got a full suite of tools for music and lyrics. It also has educational tools to help you improve your production and songwriting skills, and different pricing tiers for different needs.
Another good option is Lyrical Labs, which offers a personalized songwriting assistant, an integrated smart dictionary and support for more than 100 languages. It's geared for both serious and casual songwriters, with personalized editing and different pricing levels for different budgets. Lyrical Labs can help you break through a creative logjam and explore new musical territory.
If you're looking for something more basic, These Lyrics Do Not Exist is a free, web-based tool that produces original lyrics based on a song subject and genres you select. It's an AI-powered tool that can give you a quick idea and help you get past a block. It's updated regularly with new features to try to improve its lyric generation abilities.
Last, AI Song Lyrics Generator offers a tool to generate original, rhyming song lyrics in different styles. It's free to use with no registration required, and you can generate lyrics with a 5-step process. It's good for songwriters who need a quick idea and can be used for commercial purposes after you ensure the lyrics are original and don't infringe on others' rights.