App Builder

Open Source Alternatives

ToolJet is a low-code platform for building and deploying internal tools and business applications without extensive coding knowledge.

Low-code backend platform with a spreadsheet-like interface for managing Firestore data and cloud functions.

NocoDB is an open-source Airtable alternative that transforms any MySQL, PostgreSQL, SQL Server, SQLite & MariaDB into a smart spreadsheet interface.

Windmill is a developer platform that turns scripts into production-ready workflows and UIs, enabling rapid automation and internal tool development.