Look for "GD Share" or "Geometry Dash World Mod" on GitHub. These tend to be the most stable “better” experiences, offering the first 13 levels of the full game without interruption.
The "Better" phrase is evolving. It no longer means just "no ads." It means geometry dash lite github better
If you see a GitHub repo with 2 stars, a "releases" section that was created yesterday, and a generic README.md —run. If you really want to play modded GD safely, learn to compile the open-source clones yourself. Otherwise, just buy the game. Your hard drive will thank you. Look for "GD Share" or "Geometry Dash World Mod" on GitHub
Example concrete contributions to propose on GitHub geometry dash lite github better