Over the last decade, free software developers have been repeatedly tempted by development tools that offer the ability to build free software more efficiently or powerfully. The only cost, we are told, is that the tools themselves are nonfree or run as network services with code we cannot see, copy, or run ourselves. In this short talk, I’ll show how these decisions to embrace nonfree and private development tools undermine our credibility in advocating for software freedom and compromise our freedom, and that of our users, in ways that we should reject.