The best JPlag alternatives
The rest of Best Code Duplication Detection Tools, in this site's order: each with what it costs, where it runs and its record score.
Dolos suits teachers checking programming tests, exams, or exercises where limited collaboration is permitted.
It suits developers who want to check repositories for duplicated code locally or in CI/CD.
Duplo suits developers reviewing large repositories for repeated code, including teams that want duplicate checks in a build workflow.
NiCad suits developers and teams that need to locate similar code across repositories and want control over comparison settings.
PMD may suit developers and teams seeking a free code analyzer with customizable rules, command-line use, or build and CI integration.
Simian suits developers who want to locate duplicated text in repositories and run scans locally, from scripts, or in a build pipeline.
Deckard suits developers or teams analyzing application source repositories for duplicated code.
It suits PHP developers who want repository-wide clone detection and CI reporting.