Lowdefy

Lowdefy is an open-source framework for building full-stack web applications using declarative YAML or JSON configuration, solving the problem of slow development and maintenance of internal tools and business apps. It targets developers and engineering teams in organizations of all sizes, from solo developers to enterprises. The platform is positioned as a config-first alternative to code generators, offering schema-validated, reviewable config that is secure by design and easy to maintain.

Key features

• Declarative YAML configuration
• Schema-validated config properties
• 70+ UI components
• 150+ logic operators
• Role-based access control
• Built-in auth and permissions
• Data validation
• AI-native config generation
• Plugin ecosystem
• Deployable anywhere
• Version-controlled in Git