Show HN: PicoMQ – Durable Streams over HTTP, on object storage

Re:Show HN: PicoMQ – Durable Streams over HTTP, on object st... by gpsmsn on Monday August 24, 2026 @05:01PM (#49425798)

Love the landing page design! I'm excited to give it a whirl this evening.

Initially, I started to compare PicoMQ to https://github.com/s2-streamstore/s2. If you're familiar with them, how would you compare PicoMQ to S2?

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Re:Show HN: PicoMQ – Durable Streams over HTTP, on object st... by adesh_nalpet on Monday August 24, 2026 @05:44PM (#49426247)

Thank you! I'd say pretty close. But S2 is not open source, and the OSS version (https://github.com/s2-streamstore/s2) is S2-Lite, which is single-node only and uses SlateDB.

SlateDB is great, but it's not purpose-built for streaming workloads. With PicoMQ, the goal is to really do one thing well. It would have been far easier to just extend SlateDB, but instead, the S3Stream engine is built from the ground up with AutoMQ's core primitives.

Not to mention, Pico supports multi-node/cluster deployments and a bunch of other features (no feature gating).

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