PostHog
★ 4.5Customer Data Platform✓ Editorial
Open-source product analytics, session replay, feature flags, and experiments — self-host or use the cloud.
small, mediumfree
Segment (Twilio)
Customer Data Platform✓ Editorial
The leading customer data platform — collect, clean, and connect customer data to all your tools.
small, mediumfree
RudderStack
Customer Data Platform
Open-source Segment alternative — customer data pipeline with warehouse-first architecture.
small, mediumfree
Hightouch
Customer Data Platform✓ Editorial
Reverse ETL — sync data from your warehouse (Snowflake, BigQuery) to Salesforce, HubSpot, ad platforms, and 200+ apps.
medium, largeprofessional
Census
Customer Data Platform
Reverse ETL and data activation — governed sync from warehouse to 200+ SaaS tools with dbt-first workflows.
medium, largeprofessional
mParticle
Customer Data Platform
Enterprise CDP with strong mobile SDKs — collect, route, and govern customer data across digital properties.
large, enterpriseenterprise
Heap
Customer Data Platform
Auto-capture product analytics — records every user action so you can retroactively analyze anything.
small, mediumprofessional