OpenBlocks

OpenBlocks is an open source alternative to Retool that accelerates the development of both internal and customer-facing applications. It provides a comprehensive, visual IDE with flexible integrations and an extensive component library to speed up app creation.

OpenBlocks is the open source alternative to:

Retool

Airplane

Fastgen

About OpenBlocks

OpenBlocks enables developers to build internal tools rapidly by connecting to any data source or API and designing interfaces with over 50 built-in components. The platform features a module and query library for reusability, supports custom components via React and an SDK, and provides native connections to multiple databases and services. Its robust system includes role-based access control, audit logs, and theme customization options, all aimed at streamlining app development.

Key Features

Visual UI builder with 50+ components
Module and Query Library for reusable elements
Support for custom components via React and SDK
Native database and API connections
JavaScript integration across the platform
Role-based access control (RBAC)
Auto-saved history and audit logs

Summary

OpenBlocks offers a powerful development environment that blends low-code simplicity with full customization, empowering teams to create and deploy sophisticated tools without vendor restrictions.

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