Code similarity detection using treesitter
nose: bounded type-4 clone detector
Embedding-based discovery of duplicated logic for projects too large or messy to maintain reliably
Copy/paste detector for source code. 220+ languages, Rust engine, SARIF/HTML/badge reporters, GitHub Action, MCP server for AI agents.
State-of-the-Art Source Code Plagiarism & Collusion Detection. Check for plagiarism in a set of programs.
A tool to automatically detect copy+pasted and vendored code between repositories
Finds the code your AI wrote twice. Fast, offline duplicate-code detector: scan, history chart, CI gate. No AI required.
Python tool that clones two Git repositories and reports lines of code appearing in both, with per-file duplication statistics
🕵️ Source code plagiarism detection