NxBRE is described as 'Download NxBRE. NxBRE is a lightweight Business Rule Engine (aka Rule Based Engine) for the .NET platform, composed of a forward-chaining inference engine and an XML-drive' and is an app in the Development category. There are six alternatives to NxBRE for a variety of platforms, including Windows, Linux, Online / Web-based, JBoss and .NET Framework. The best alternative is Drools, which is both free and Open Source. Other great apps like NxBRE are DecisionRules.io (Freemium), Hyperon (Paid), IBM Operational Decision Manager (Paid) and Simple Rule Engine (Free, Open Source).
Business rule engine that lets you create and deploy business rules, while all your rules run in a secure and scalable cloud. Unlike other rule engines, you can create your first rule in 5 minutes and make 100k decisions in a minute via API.
Hyperon is a BRMS, that was created with very large decisions and hyper-performance in mind. It stands out with the concept of the business domain which organizes the whole configuration in easy to manage way.
SRE (Simple Rule Engine) is a lightweight forward chaining inference rule engine for .NET. Its 'simple' because of the simplicity in writing and understanding the rules written in XML, but this 'simple' engine can solve complex problems.