Quaver (2022)

Quaver rewards a little editor work when a keyboard pattern needs its own exercise. Copy a chart into a local difficulty, trim the passage and use preview or test play with rate changes to rehearse it. This is an editor-assisted workflow, so it takes more setup than a ready-made practice loop. Its free community maps cover four- and seven-key play with varying difficulty and chart quality. Set the global audio offset first, and keep personal edits separate from the original download.