Checkstyle vs Psalm
No leader: the top candidate Psalm has only 0.33 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Checkstyle
A development tool that automatically scans Java code to verify adherence to coding standards, detecting style violations, design problems, and formatting issues. Supports customizable rule sets and integrates with build tools and IDEs.
Psalm
Psalm is a free, open-source static analyzer for PHP that identifies type-related errors and bugs in codebases at their strictest settings. It can automatically fix many common issues and supports safe coding patterns used in other languages.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Checkstyle
- Maven
- Ant
Psalm
Not documented yet.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.