Is there a website to track instances where companies screw over employees (e.g. laying off without severance, rescinded offers, etc)? This would usually come

Is there a website to track instances where companies screw over employees (e.g. laying off without severance, rescinded offers, etc)? This would usually come up during one's due diligence of the company when evaluating a job prospect, but it would be nice to have a list of flagrant violators of norms (i.e. of at least doing right by employees, even if the business is not doing the best).