OpenL Tablets vs Rulebricks

OpenL Tablets is a business rules engine and decision management system that uses structured Excel tables as executable application logic. It supports Excel formats dating back to Excel 97, with tables for decisions, lookups, spreadsheet calculations, decision trees, and algorithms. OpenL Studio provides a web interface for editing and managing rules, including guided authoring, inline cell editing, and type-safe checks that point to errors. Rules can run as REST services, Kafka consumers or producers, or providers for Java interfaces; they can also be used in Maven projects and work with Java classes and methods. The repository can use Git, databases, and blob storage, with versions, metadata, WebDAV access, and role-based permissions. Analysis tools include tracing, explanations, tests, benchmarks, what-if analysis, and checks for gaps and overlaps. Deployment features include effective and expiration dates, staging, consistency checks, and live updates. The free demo bundle runs in single-user mode and includes a local Git repository with examples and tutorials.

Rulebricks is a visual decision-management platform for automating business processes. Teams can model decisions through a no-code interface and publish API endpoints, so domain experts and process owners can update rules without writing code. Excel models can be imported to generate rules, while multi-rule workflows and a test management UI and API support orchestration and pre-deployment checks. What-if backtests help assess the business impact of changing conditions. Decision tables can also power embeddable calculators, with application branding and embedding options. Listed native integrations include Salesforce, Excel, Zapier, and PostgreSQL, and the maker says it can connect wherever an API can be called. Developer tools include a JavaScript component and programmatic controls for users, tenants, rules, and tests. Deployment options include major cloud providers, on-premises, and air-gapped environments, alongside isolated tenants, single sign-on, and fine-grained access control. The free Design plan allows up to 10 rules and flows, 1,000 monthly executions, and five team members.