Thank you DEV community: the Thinking Engineer Toolkit is live

The Thinking Engineer Toolkit is a structured collection of mental models, decision frameworks, and thinking patterns aimed at software engineers making hard technical calls. It grew out of a series of community posts and landed as a consolidated reference. This is not a tool in the software sense — it is a curated reading resource, which means its value is proportional to how much time the reader invests in actually applying the frameworks rather than skimming them. The framing around 'thinking' is deliberately broad, which is both its strength and its weakness: broad appeal, but it is unclear what specific problem a SaaS founder would open this to solve. That said, the first-principles decision-making content is more actionable than the average engineering essay collection. Honest reservation: this is a blog post announcing a resource, not the resource itself — evaluate the toolkit directly before deciding whether it earns a bookmark. -> Best for: solo founder or indie hacker who wants to improve technical decision-making frameworks