Also, if you see that EVERYTHING is red - it is highly likely that the market will cheer up again. If you follow the prices for a while, you´ll notice that this always happens.
Plus, we are nowhere close to reaching full potential and all of this is so early-stage. Many coins will fail, but the good ideas will persist. So now it is basically up to us to learn how to evaluate a good idea (@heiditravels has recently made a good post about this: https://steemit.com/cryptocurrency/@heiditravels/critical-analysis-alt-coins
to add a further note, i would also suggest looking at the projects github.