Jasolee99 and his friends created their own version of OwlCove.sg, called Tick.Ninja, where
Secondary and JC students can download notes for their O and A
level subjects, eg. H2 Chem. Check it out.
hey guys my friend created https://tick.ninja where they pooled tgt
lots of O Levels and A Levels notes for their
juniors.
Hope they help! Cheers :)