Free marketing · data in the Top 11
3 providers in the Top 11 The 11 Best Customer Data Platforms (CDPs) offer a free tier; the most credible is Twilio Segment.
Why this answer
Filtered to entries with a published free tier (not just a free trial). When the pricing page is ambiguous we err conservative — paid-only by default.
Showing all 3 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best Customer Data Platforms (CDPs).
#1Twilio Segment(rank #1 in The 11 Best Customer Data Platforms (CDPs))
Free tierThe market leader for its vast integration library and developer-first approach.
Full Twilio Segment review · Compare: Twilio Segment vs RudderStack · Alternatives
#2RudderStack(rank #6 in The 11 Best Customer Data Platforms (CDPs))
Free tierTop open-source, warehouse-first alternative to Segment for engineers.
#3Hightouch(rank #11 in The 11 Best Customer Data Platforms (CDPs))
Free tierA leading 'Reverse ETL' tool activating data directly from the warehouse.
Methodology: /methodology · No paid placement ever · Verified .