What are some cool startups (Indian) you would love to work with?

I'll go first.

1. even healthcare
2. Hike/Rush
3. Spartan Poker
4. Ultrahuman
5. Invideo

Mention the reason too if possible. Let's discover some hidden ones. Brownie points if you mention startups that only a few have heard of.

If you know a less-known Indian startup that is doing some crazy shit (not so obvious ones), do mention.

Your turn.