Our favorite companies from 500 Startups’ 17th batch slack for ios upload2

500 Startups’ 17th round of its incubator is wrapping up, and a total of 42 companies presented at its demo day in Mountain View on Tuesday.

It was quite an impressive batch. Companies that came on stage touted their growth and that they were already generating revenue from their operations. It kind of goes to show how the way startups are valued, and what the startups are focusing on once they get off the ground, has changed in the past several quarters.

This year, there were two tracks: one that focused on business-to-business software; and one that focused on beauty products. Here are some of the stand-outs from the class.