Thally is the product knowledge layer for software teams. When a pull request merges, Thally works out exactly what changed, traces the impact across docs, websites, and help centers, and opens evidence-backed pull requests for the team to review. It is a complete, AI-native docs platform with Git-based content, deploy previews, search, analytics, custom domains, self-hosting, and a remote MCP server. The open-source engine behind Thally Cloud is MIT licensed.