Listed alphabetically. A tool is ranked by its reviews once it has 3.
| Tool | Reviews | Lowest paid plan | Free plan | Free trial | Public API | Runs on | Main features |
|---|---|---|---|---|---|---|---|
| AmperityAmperity resolves messy customer data into one view for enterprise brands. | ReviewsNone yetWrite one for Amperity | Lowest paid planNot confirmed | Free planNot confirmed | Free trialNot confirmed | Public APIYes | Runs onNot confirmed | Main features
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| JitsuJitsu collects event data from every source into your data warehouse, and is 100% open-source. | ReviewsNone yetWrite one for Jitsu | Lowest paid plan$99per monthBusiness, as of November 13, 2026 | Free planYes | Free trialYes | Public APIYes | ||
 Rokt mParticlemParticle is the performance CDP that turns customer data into audiences, actions, and measurable growth. | ReviewsNone yetWrite one for Rokt mParticle | Lowest paid planNot confirmed | Free planNot confirmed | Free trialNot confirmed | Public APIYes | Runs onNot confirmed | Main features |
 RudderStackWarehouse-native agentic customer data platform to collect, unify, activate and govern data. | ReviewsNone yetWrite one for RudderStack | Lowest paid plan$265per monthGrowth, as of November 13, 2026 | Free planYes | Free trialNot confirmed | Public APIYes | ||
 Twilio SegmentCollect, unify, and enrich customer data across any app or device. | ReviewsNone yetWrite one for Twilio Segment | Lowest paid planNot confirmed | Free planNot confirmed | Free trialYes | Public APIYes | Runs onNot confirmed |
From each tool's own website. “Not confirmed” means we couldn't confirm it there, not that the tool doesn't have it. Each tool's page says when its facts were checked.
How this list is made
A tool is listed here only when we've confirmed on its own website that it has a public API. Tools we couldn't confirm it for are left out, even if they may have it. Vendors can't pay for a place on this list. Add a tool we missed