Beyond Vibecoding: Spec Driven Development with OpenSpec and Open Code Review

OpenSpec found it a bit limited, only taking into account the development side of things. In contrast Specmanager has a more holistic approach, which involves also Product, Designer agents to help build more efectively what users want. Check it out here: https://news.ycombinator.com/item?id=48716647

Based on my experience with adopting OpenSpec, maybe someone finds it useful