https://www.glassdoor.com/index.htm
Basically the title, feel free to look up your workplace or ones you're interested in, and it'd be great to get more honest reviews. I’m not affiliated at all just think that crowdsourcing knowledge is an invaluable tool. Organize! Unionize! Stand up for your Rights!
Update: Learning from the comments that this site works with employers, allowing them to delete negative reviews. Leaving this up so others can see this information.
Let us grow towards a world where the capitalist class does not own and control every facet of society. Solidarity.