Project development. If you see that the project is really moving and there is at least some actions on the gitHub, then I think you can already consider this project further. Exactly in this case there will be at least some possibility further.
Many newbies dont even know what GitHub is. Many people simply enter into all generosity and expect each project to bring them money. But it's just not possible. even if everyone understands and studies GitHub, it does not give any guarantees that the project will not stop showing activity after ICO