Nonprofit organizations, and nonprofit techies encounter bad vendors of various stripes all the time. This is the place to kvetch, share horror stories, and let the nptech field know which technology vendors to avoid.
This is an anonymous blog, so that people need not fear retaliation. However, this is not meant to be a place for ad hominem attacks on people. Be truthful, be honest, but don't be mean.
Submit your stories to email@example.com