17.4
Free planOpen sourceAPILinuxmacOS
Best Data Deduplication Software in 2026
When duplicate customer or company records make sales and CRM data harder to manage, deduplication tools can help identify matches and handle them consistently. Compare fuzzy matching and duplicate prevention with automatic merging to see how each product approaches record cleanup. A merge review workflow may be important if your team wants to check changes, while CRM integrations and API access help you assess fit…
27.2
Tilores is entity-resolution software for developers who need to reconcile duplicate or conflicting records across systems.
Free planWebAPILinux
36.9
Workbooks is a CRM and business management platform from Workbooks, founded in 2009 and based in Reading, United Kingdom.
AndroidiOSWeb
- 4
DataMatch Enterprise
DataMatch Enterprise is a code-free toolkit for profiling, cleansing, matching, and deduplicating data across sources.
WebAPILinuxSelf-hosted6.8 - 5
Senzing Entity Resolution
Senzing Entity Resolution turns fragmented records into entities and identifies relationships that can support fraud, compliance, and AI systems.
WebAPILinuxmacOS6.7From $58,560 a year - 6
DupeCatcher
DupeCatcher helps prevent duplicate Salesforce records while users enter them.
Free planAndroidiOSWeb6.6Free plan - 7
Entify
Entify is an open-source workspace for linking records, resolving entities, and deduplicating datasets.
Free planWebAPISelf-hosted6.6Free plan - 8
MatchCore
MatchCore profiles, standardizes, matches, and merges customer, vendor, and product records into deduplicated golden records.
WebAPILinuxmacOS6.6From $417 a month - 9
Insycle
Insycle helps teams set CRM data standards, apply them across connected systems, and monitor data coverage and drift.
Web6.5From $100 a month - 10
Koalify
Koalify is a HubSpot-native tool for finding and merging duplicate contacts, companies, deals, tickets and custom objects.
Free planWeb6.5From $25 a month - 11
Cloudingo
Cloudingo is a paid no-code tool for finding, merging, and preventing duplicate records in Salesforce and Marketo.
WebAPI6.4From $2,500 a year - 12
DataGroomr
DataGroomr is an AI-powered Salesforce data quality platform for finding duplicate records, cleansing and verifying information, enriching data, and…
WebAPI6.4From $399 a year - 13
Python Record Linkage Toolkit
Python Record Linkage Toolkit is a Python library for matching records across data sources and finding duplicates within one source.
Free planLinuxSelf-hosted6.3Free plan - 14
OneMerge
OneMerge extends Salesforce Duplicate Management to automate the resolution of duplicate records.
Web6.2 - 15
Plauti Deduplicate
Plauti Deduplicate identifies duplicate CRM records, groups likely matches, scores them and applies configured merge rules.
Free planWebAPISelf-hosted6.2Free plan - 16
Splink
Splink is a free Python package for probabilistic record linkage, used to deduplicate and connect records that lack unique identifiers.
Free planLinuxSelf-hosted6.2Free plan - 17
AWS Entity Resolution
AWS Entity Resolution matches and links related customer, product, business, or healthcare records across applications, channels, and data stores.
Free planWebAPI6.1Free plan - 18
Posidex Customer Entity Resolution and Matching
Posidex Customer Entity Resolution and Matching links customer records across systems and data sources to create a unified customer view.
WebAPILinuxmacOS6.1 - 19
dedupe
dedupe is an open-source Python library for fuzzy matching, deduplication, and entity resolution on structured data.
APILinuxmacOSSelf-hosted6.0 - 20
DQE One Unify
DQE One Unify identifies, merges, and helps prevent duplicate contacts and accounts across customer databases.
WebAPISelf-hostedWindows6.0 - 21
R
R is a free software environment designed for statistical computing, with graphics support, statistical tests, regression models, and scripting.
macOSWindows6.0 - 22
Data8 Duplicare
Data8 Duplicare detects, merges and helps prevent duplicate records in Microsoft Dynamics 365.
WebWindows5.9 - 23
pyJedAI
pyJedAI is a free, open-source Python framework for entity resolution and link discovery.
Free planLinuxSelf-hostedWindows5.9Free plan - 24
DemandTools
DemandTools is a Windows platform for managing data quality in Salesforce organizations.
Windows5.3 - 25
LinkTransformer
LinkTransformer is a free, open-source Python package for semantic record linkage and tabular-data workflows.
5.3