Zingg – open-source entity resolution for single source of truth
Hello HN, I am Sonal, a data consultant from India. For the past few months(and years!), I have been working on an entity resolution tool to build a single source of truth for customers, suppliers, products and parts. Here is a short demo of Zingg in action https://www.youtube.com/watch?v=zOabyZxN9b0 As a data consultant, I often struggled to build unified views of core entities on the datalake and the warehouse. Data spread across different systems has variations and consistencies making Customer 360, KYC, AML, segmentation, personalization and other analytics difficult. As I…
Zingg – open-source entity resolution for single source of truth launched on February 9, 2022 with 18 votes, #982 of 2,645 launches that month and more than 75% of that year's launches.
In plain words
Zingg is an open-source tool that identifies and merges duplicate records across databases to create unified customer, supplier, product, and parts data. It addresses the problem of inconsistent data spread across multiple systems that complicates analytics, compliance, and personalization efforts. The tool targets data consultants and organizations needing cost-effective entity resolution without expensive commercial master data management solutions.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hello HN, I am Sonal, a data consultant from India. For the past few months(and years!), I have been working on an entity resolution tool to build a single source of truth for customers, suppliers, products and parts. Here is a short demo of Zingg in action https://www.youtube.com/watch?v=zOabyZxN9b0…
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