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Open Source Rule Engine
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Open Source Rule Engine
A JSON rule engine for declarative business logic.
# Code Generator
Featured on : Sep 3. 2025
Featured on : Sep 3. 2025
What is Open Source Rule Engine?
The ultimate JSON-based rule engine that turns complex business logic into declarative configurations. Built for developers who believe code should be expressive, not repetitive. - ali-master/rule-engine
Problem
Users currently manage business logic with custom code, requiring repetitive scripting for each new rule or condition. Repetitive code and manual handling of complex logic increase maintenance overhead and risk of errors.
Solution
A JSON-based rule engine tool allowing developers to define business logic declaratively via JSON configurations. Users can create, modify, and scale rules without rewriting code (e.g., automating approval workflows or fraud detection).
Customers
Software engineers, developers, and technical leads in SaaS companies or enterprises needing scalable, maintainable business logic systems.
Unique Features
JSON-centric declarative approach, open-source customization, lightweight integration, and a visual rule editor for non-technical users.
User Comments
Saves 30% development time for dynamic workflows
Easy integration with existing systems
JSON syntax simplifies rule management
Steep learning curve for non-devs
Highly flexible for evolving logic
Traction
1.8k+ GitHub stars, used by 500+ companies, 15k+ active deployments. Founder has 4.2k followers on LinkedIn, featured on ProductHunt's top 5 dev tools of 2023.
Market Size
The global low-code development platform market, a proxy for declarative rule engines, is valued at $15.8 billion in 2023, projected to grow at 26% CAGR (Gartner).