PicoMQ – Durable Streams over HTTP, on object storage
PicoMQ is a Rust server for Durable Streams, built on Object Store. Cheap, URL-addressable, granular streams (create/append/read/long-poll/SSE), with Pico Protocol or Durable Streams Protocol as the facade. S3Stream is the stream storage primitive, used in AutoMQ, shipped as a Rust library. Coordination is a command log in Postgres.
In plain words
PicoMQ is a Rust server that provides durable, real-time message streams over HTTP built on S3-compatible object storage. It allows users to create independently addressable, URL-based streams with operations including create, append, read, long-poll, and server-sent events. The system uses Postgres for coordination and supports both Pico Protocol and Durable Streams Protocol. Designed for developers who need scalable, cost-effective streaming infrastructure, PicoMQ is available as an open-source project under Apache 2.0 license.
written from the facts on this page · September 2026
From the sources
PicoMQ is durable, real-time streams over HTTP and Kafka, built on S3-compatible object storage.
Pricing, as stated on its site
Free — Open source project licensed under Apache 2.0 with no pricing information found, indicating it is free to use.
checked September 2026 · prices change
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