Staccato is a general-purpose platform geared for musicians, songwriters and producers. It comes with an AI Instrument for making music loops and drum tracks and an AI Lyrics Generator that composes and rewrites lyrics in different styles. Staccato can link to digital audio workstations (DAWs) and notation software so you can import and export MIDI files. It offers several subscription plans, including a free trial.
Another good option is Lyrical Labs, which offers a personalized songwriting assistant for coauthoring and editing and a smart dictionary to find related words. It works with more than 100 languages and is good for hobbyists and pros. It offers several pricing tiers, so you can pick the one that best fits your needs, and it's a good choice for breaking through creative blocks and expanding your musical abilities.
MelodyStudio is geared specifically for coming up with original melody ideas based on your lyrics. It's geared for producers, singers and songwriters, and its interface is simple, with a text box where you type in lyrics and a list of melody ideas that appear below. The service is customizable, and you can link to other tools like LyricStudio for a full songwriting suite.
Last, These Lyrics Do Not Exist is a free, web-based tool that generates song lyrics based on a subject word and the genre and mood you prefer. It's good for breaking through writer's block and for getting a creative boost with high-quality, coherent lyrics. It's updated regularly with new features and improvements, so it's worth adding to your songwriting toolkit.