
rudder-server
Privacy and Security focused Segment-alternative, in Golang and React
The Lens
RudderStack is a Customer Data Platform that collects events from your web, mobile, and server sources and routes them to 200+ destinations: data warehouses, analytics tools, CRMs, and advertising platforms. The open-source alternative to Segment. Apache-licensed, free to self-host.
Setup requires Docker Compose and a Postgres database. The data plane handles event ingestion at scale. You manage infrastructure; RudderStack handles routing logic. A control plane UI is available separately for destination configuration.
Engineering teams that track user events and pipe them to Snowflake, BigQuery, or Amplitude without the Segment bill get a real cost save here. The routing logic is comparable to Segment. Self-hosted means you control data residency.
The catch: the self-hosted control plane is less polished than the cloud version. Destination support can lag Segment. And high event volumes require serious infrastructure to match Segment's managed reliability.
Free vs Self-Hosted vs Paid
open core**Free tier:** Open source data plane is free (Apache-2.0).
**Self-hosted:** Free. You run the data plane and a separate control plane. Operationally non-trivial at scale.
**RudderStack Cloud:** Free tier with limited events. Pro/Enterprise tiers for higher volume and support.
Free to self-host; cloud tier eliminates infrastructure management.
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