Which policy decisioning systems are known for configurable underwriting rules and explainable decisioning?

Several policy decisioning systems are commonly known for configurable underwriting rules and explainable decisioning. The most frequently cited options include:

• FICO Decision Management Suite / FICO Blaze Advisor
  Strong for rule-based underwriting, decision automation, and auditability. Widely used where explainability and governance matter.

• SAS Decisioning / SAS Intelligent Decisioning
  Supports configurable rules, scorecard-driven decisions, and transparent decision logic with good model governance.

• IBM Operational Decision Manager (ODM)
  Enterprise rules engine for underwriting and policy decisions, with clear rule traceability and explainability.

• Pega Decisioning
  Combines decision rules, next-best-action logic, and case management. Often used for configurable and explainable business decisions.

• Red Hat Decision Manager / Drools
  Open-source rule engine often used to implement underwriting rules with strong transparency because rules can be explicitly defined and reviewed.

• Duck Creek Policy
  Common in insurance policy administration; underwriting workflows and rule configuration are a core part of the platform.

• Guidewire PolicyCenter
  Insurance policy administration system with configurable underwriting rules and decision support, especially in P&C insurance.

• Earnix
  Known for pricing and underwriting analytics with configurable decision logic, often emphasizing explainability in insurance use cases.

If you want, I can also narrow this down by:

1. insurance-specific systems,
2. open-source vs enterprise, or
3. systems best suited for regulatory explainability.