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Are – Rule engine for JavaScript, C#, and Dart with playground
by beratarpa·Feb 21, 2026·4 points·0 comments
AI Analysis
●●SolidEye CandyNiche Gem
Cross-platform rule engine with gorgeous playground debugger, but unproven beyond demo scenarios.
Strengths
- •Same API across npm/NuGet/pub.dev is rare and valuable for polyglot teams
- •Playground with step debugger, visual graph, and animated pipeline is exceptional tooling; RPG/smart-home/e-commerce demos are intuitive
Weaknesses
- •No evidence of real-world production usage or performance at scale; all demos are small
- •Unclear how ARE compares to existing engines (Drools, Easy Rules, Roslyn analyzers); no competitor analysis
Category
Target Audience
Game developers, smart home engineers, business rules automation, anyone building event-driven systems
Similar To
Drools · Humaan · Easy Rules
Post Description
I built a rule engine called ARE (Action Rule Event) that follows a simple pipeline: Event → Middleware → Condition Evaluation → Rule Matching → Action Execution.
It's available on npm, NuGet, and pub.dev with the same API design across all three.
I also built a playground where you can experiment with three scenarios (RPG game, smart home, e-commerce) without installing anything. It includes a step-by-step rule debugger, a visual relationship graph, and an animated pipeline diagram.
Playground: https://are-playground.netlify.app GitHub: https://github.com/BeratARPA/ARE
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