RudderStack Open Source — #1 Alternative to Twilio Segment
Warehouse-first Apache-2.0 CDP wire-compatible with Segment `analytics.js` SDKs
Go-powered event router that streams web, mobile, and server events straight into Postgres, ClickHouse, Snowflake, and 200+ SaaS destinations with JS transformations.
License: Apache-2.0 · Pricing: Open Core · Compare all Twilio Segment alternatives · Official Website