Dev tools · alternatives · 2026

24 alternatives to Faasta – A self-hosted Serverless platform for WASM-wasi-HTTP in Rust

I've just released an early version off my project I've been working on for a few months now and would love some feedback. https://github.com/fourlexboehm/faasta I was surprised there isn't yet an open/source and standards compliant way to host wasi-http functions in a way that takes advantages of WASM, a multi tenanted application. If you're not familiar with wasi, Compared to something like AWS Lambda, this approach is much more efficient as a single process can serve 1000s of function invocations concurrently and asynchronously, instead requiring an entire VM.…

Faasta is a self-hosted serverless platform built in Rust that runs WebAssembly functions using WASI-HTTP standards. Designed for developers wanting to deploy functions efficiently, it allows a single process to handle… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier.

1. 1
   Second State Serverless FaaS▲92

   High-performance serverless functions for Rust & WebAssembly

   2020 · secondstate.io · its alternatives →

2. 2
   Faast.js – Serverless Batch Computing Made Simple▲202

   Serverless batch computing made simple

   2019 · faastjs.org · its alternatives →

3. 3RW
   Rocket – Web Framework for Rustfree▲484

   2016 · rocket.rs · its alternatives →

4. 4
   Wsta – a CLI for working with WebSockets written in Rust▲85

   A CLI development tool for WebSocket APIs. Contribute to eliihen/wsta development by creating an account on GitHub.

   2016 · github.com · its alternatives →

5. 5
   FaaS – Serverless functions framework for Docker▲73

   OpenFaaS - Serverless Functions Made Simple. Contribute to openfaas/faas development by creating an account on GitHub.

   2017 · github.com · its alternatives →

6. 6
   Pollen – distributed WASM runtime, no control plane, single binary▲137

   Distributed WASM runtime. Workloads place themselves over a zero-trust mesh. One static binary. - Sambigeara/pollen

   Apr 2026 · github.com · its alternatives →

7. 7
   Ht – HTTPie Clone in Rust▲251

   Friendly and fast tool for sending HTTP requests. Contribute to ducaale/xh development by creating an account on GitHub.

   2021 · github.com · its alternatives →

8. 8OA
   Obelisk – a WASM-based deterministic workflow engine▲103

   A lightweight engine for durable execution / deterministic workflows I built with Rust, wasmtime and the WASM Component Model. Its main use is running reliable, long-running workflows that can automatically resume after failures. Looking for feedback on the approach and potential use cases!

   2025 · obeli.sk · its alternatives →

9. 9
   Sandboxing untrusted code using WebAssembly▲76

   Hi everyone, I built a runtime to isolate untrusted code using wasm sandboxes. Basically, it protects your host system from problems that untrusted code can cause. We’ve had a great discussion about sandboxing in Python lately that elaborates a bit more on the problem [1]. In TypeScript, wasm integration is even more natural thanks to the close proximity between both ecosystems. The core is built in Rust. On top of that, I use WASI 0.2 via wasmtime and the component model, along with custom SDKs that keep things as idiomatic as possible. For example, in Python we have a simple decorator:…

   Feb 2026 · github.com · its alternatives →

10. 10FS
    FaaStest – Serverless Platforms Benchmark Made Easy▲17

    2019 · faastest.com · its alternatives →

11. 11
    Cot: a Rust web framework for lazy developersfree▲113

    2025 · mackow.ski · its alternatives →

12. 12IW
    I wrote a simple serverless platform for Ruby developers▲13

    2018 · faastruby.io · its alternatives →

13. 13
    Kyushu – A self-hostable WASM sandbox for JavaScript workers▲89

    A self-hostable Wasm sandbox for JavaScript workers.

    Jun 2026 · kyushu.dev · its alternatives →

14. 14
    Ajour – A GUI application in Rust to manage World of Warcraft addons▲90

    A World of Warcraft addon manager written in Rust. - ajour/ajour

    2020 · github.com · its alternatives →

15. 15
    Hydrogen, a multithread non-blocking Linux server framework in Rust▲154

    Multithreaded, non-blocking Linux server framework in Rust - nathansizemore/hydrogen

    2016 · github.com · its alternatives →

16. 16
    Second State VM▲78

    High performance secure & portable Rust functions in Node.js

    2020 · secondstate.io · its alternatives →

17. 17
    Functions as a Service (FaaS) on Docker Swarm▲49

    Learn about a new proof of concept called Functions as a Service FaaS which brings Serverless to Docker Swarm Mode using brand new 1.13 features.

    2017 · blog.alexellis.io · its alternatives →

18. 18
    Ambient, a multiplayer game engine and platform using WASM/WebGPU/Rust▲90

    Earlier this year, we released our open-source game engine [0] built with Rust, WebAssembly, and WebGPU. Today, we’re happy to announce the Ambient platform, which brings web deployment, server hosting, and more to the runtime. With Ambient, you can make a game, deploy it to the browser in one command, share your URL and instantly play with others, no downloads or installs needed. Our WASM use is innovative; it is being used as both a sandboxed runtime for user code, and as a way to run the entire Ambient runtime in the browser. This, paired with our ECS data model, enables a highly modular…

    2023 · ambient.run · its alternatives →

19. 19
    A minimal working Rust / SDL2 / WASM browser game▲82

    "Game" is a stretch, but I put together this repo containing a pure Rust app which uses SDL2 and compiles to WASM (and can be run in a browser). Older resources were a bit out of date and a bit too verbose for my purposes, so here's a minimal working example.

    2024 · github.com · its alternatives →

20. 20
    I built a WASI playground for running CLI binaries in the browser▲115

    Run WebAssembly made for outside the browser, inside the browser.

    2022 · runno.dev · its alternatives →

21. 21
    A MCP server to evaluate Python code in WASM VM using RustPython▲41

    This is a pet project of mine where I build a MCP with WASM plugin system (published to OCI). I added a new plugin today that use Rust, compiled to WebAssembly to run Python code securely.

    2025 · github.com · its alternatives →

22. 22EI
    EverythingStays – Immutable and Distributed Node.js Modules with IPFS▲103

    2016 · everythingstays.com · its alternatives →

23. 23
    MCP-stama – An ultra-fast Rust MCP server with no dependencies▲73

    An ultra-fast, single-binary MCP server written in Rust as a lightweight alternative to Node.js/Python. - StamManif/mcp-stama

    Aug 2026 · github.com · its alternatives →

24. 24
    ActorCore – Stateful serverless framework that runs anywhere▲77

    Hey HN! Today we're launching ActorCore (https://actorcore.org/), a stateful serverless framework that enables deploying Cloudflare Durable Object-like workloads to any cloud. If you're unfamiliar with stateful serverless: it's like the actor model, where each actor maintains its own isolated, persistent state. (Think Lambda functions with local storage & runs indefinitely.) It enables easily building long-running, realtime, durable, or local-first backends with the flexibility of serverless infrastructure. The most widely used implementation is Cloudflare Durable Objects,…

    2025 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →