It would be helpful to specify which computer platform you’re looking for. There many on each platform–but not always the same ones.
FWIW, I use Lilypond with Frescobaldi. No GUI–you type in the note letters/pitches you want. But I can type far faster than I can use a mouse. A 16-bar lead sheet hymn with chords and five verses usually takes me 10-15 minutes tops. And the scores are drop-dead gorgeous, even complex scores rarely require adjustment to look “right”. Items on top of each other are extremely rare.
BUT–It is a full music typesetting programming language–and there is a steep learning curve……