Data Cleaning GitHub Repositories (2026) · Open Source Tools

Refine high-quality datasets and visual AI models

Machine learning with dataframes

Zero-config entity resolution feeding a durable identity layer: messy records from any source become stable golden entities, a Customer 360 with provenance, merge/split and audit. Fellegi-Sunter beats hand-tuned Splink. Arrow-native/Rust, 250M rows in 11.2 min. Python + edge TypeScript (WASM), SQL-native in Postgres & DuckDB, 97 MCP tools + REST.

[SIGMOD'27] Easy Data Preparation with latest LLMs-based Operators and Pipelines.

A light-weight, flexible, and expressive statistical data testing library

Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.