For a different Fadr alternative, Samplab is worth a look. It's an AI-powered polyphonic audio sample editor that lets you edit and enhance samples. Stem separation, MIDI file export and automatic tempo and key adjustment are among its useful features geared for music producers and DJs. It's available in Basic (free) and Premium editions so you can pay for what you need.
Another option is Cryo Mix, an AI-powered music mixing and mastering service. Cryo Mix has an AI Mixing tool to refine audio and an AI Audio Separator tool to isolate stems like vocals, drums and instruments. It also has a mastering tool to ensure your music sounds good to the ears of the music industry. It's designed to be easy to use and accessible, so it's good for anyone who wants to produce high-quality audio.
LALAL.AI is another option. It's an AI-based audio file separator that lets you split files into vocal and instrumental tracks. It works with lots of file formats and offers a variety of stem options, so LALAL.AI is good for musicians and content creators who need stem separation they can rely on.
Last but not least, Moises has a variety of AI-powered audio editing abilities, including one-click stem separation, a smart metronome and real-time chord detection. That makes it a good tool for musicians, who can use it to practice at their own tempo and in their own key. It works on multiple devices, too, so you can use it anywhere.