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The beginning of a new runtime model

86 starsRust

Numax - a portable runtime for distributed apps

by gianiac·Jun 16, 2026·4 points·1 comment

AI Analysis

●●SolidBig BrainWizardry

WASM + embedded KV + CRDT gossip sync in one Rust runtime.

Strengths
  • Local-first architecture eliminates remote database dependency for state.
  • CRDT-based convergence handles network partitions without coordination.
  • WASM sandbox provides portable, isolated module execution.
Weaknesses
  • v0.1.0 status means production readiness and edge cases unproven.
  • Distributed runtime space crowded with Durable Objects, Fly.io, Deno Deploy.
Target Audience

Backend developers building distributed applications

Similar To

Cloudflare Durable Objects · ElectricSQL · Fly.io

Post Description

Hi, over the past few months I've been working on this project: Numax is a small Rust runtime that does three things: it runs WebAssembly modules in a sandbox, has a built-in local key-value store, and syncs everything across nodes with CRDTs and gossip. Basically, you write a wasm module, run it on two machines, and they converge (I hope !). It's a decentralized system... I hope someone finds it interesting! There's a whitepaper I've put a lot into, and I think the code isn't bad either! I believe there's still room in this world for software that's fun and well made, and while building Numax I had a great time! I love Numax and I love software. Thanks to anyone who'll spend a bit of their time even just to open the repo and take a look!

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