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checkstyle

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

jscpd

Copy/paste detector for source code. 220+ languages, Rust engine, SARIF/HTML/badge reporters, GitHub Action, MCP server for AI agents.

Popularity
Repository stars9,627Highest6,491
7-day net stars——
Fork4,323Highest274
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2026-11-032026-11-03
Maintenance notesNot verifiedNot verified
Repository created2013-08-312013-05-29
License & use
LicenseLGPL-2.1 · Share derivative sourceMIT · Permissive
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeCommand-line tools · Code qualityCommand-line tools · Code quality · Coding assistants
TypeRules & configurationWorkflows & automation
SubcategoryCoding standardsDevelopment pipelines
PlatformNot verifiedNot verified
Cost detailsCheck current official software, hosting, model and infrastructure pricing.Check current official software, hosting, model and infrastructure pricing.
Pricing source——
First collected2026-11-032026-11-03
MetricRepository stars, not unique users or individual-skill installsRepository stars, not unique users or individual-skill installs
LanguageJavaRust
About this projectCheckstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.Copy/paste detector for source code. 220+ languages, Rust engine, SARIF/HTML/badge reporters, GitHub Action, MCP server for AI agents.
Measured at2026-11-03 08:26 UTC2026-11-03 08:27 UTC

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