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Extism Alternatives
Similar projects and alternatives to extism
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scale
A framework for building high-performance plugin systems into any application, powered by WebAssembly.
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nodejs-snowflake
Generate time sortable 64 bits unique ids for distributed systems (inspired from twitter snowflake)
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better extism alternative or higher similarity.
extism discussion
extism reviews and mentions
Posts with mentions or reviews of extism.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-02-11.
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WASM Will Replace Containers
Application plugins could also be wasm. That lets plugin authors write in any language they want and have their plugin work. That's the idea behind the Extism framework:
https://extism.org/
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Lua Is So Underrated
The WebAssembly component model is aimed at having composable components that can call each other. The components can be written in any language, compiled to WebAssembly, and interoperate: https://github.com/WebAssembly/component-model/
Extism is a plugin framework for WebAssembly:
https://extism.org/
https://github.com/extism/extism
Visual Studio Code can run WebAssembly extensions: https://code.visualstudio.com/blogs/2024/05/08/wasm
A project to bring WebAssembly plugins to Godot: https://github.com/ashtonmeuser/godot-wasm
WasmEdge can be embedded in applications: https://wasmedge.org/docs/embed/overview
Wasmer can be embedded in applications: https://blog.wasmer.io/executing-webassembly-in-your-rust-ap...
Wasmtime can be embedded in applications: https://docs.wasmtime.dev/lang.html
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Isomorphic Web Components
Enhance is super cool and the fact that it can be called from basically any server language makes web components really powerful & reusable.
I work on one of the underlying libraries that provide it said portability, Extism, and I love to see how WebAssembly actually bring some of the coolest parts of the web browser into other applications.
https://github.com/extism/extism
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WASM Is the New CGI
this is exactly what we created Extism[0] and XTP[1] for!
[0]: https://extism.org
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Running Untrusted JavaScript Code
This is an exciting option as it provides a sandboxed environment to run code. One caveat is that you need an environment with Javascript bindings. However, an interesting project called Extism facilitates that. You might want to follow their tutorial.
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Building a Cloud Development Kit (CDK)
Writing code to initiate a WebAssembly runtime, load our module, and call exported functions can be quite a lot of work. Luckily, the team at dylibso has thought about that and built Extism, a framework for building plugins with WebAssembly.
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'WebAssembly Is Finally Usable, Almost'
No one is saying anyone should stop exploring new paths. I don't know what you personally are bringing to the table as far as adding to the ambition, so excuse my naivety.
The issue is that there is a misrepresentation by the Bytecode Alliance about WASI, from where it began, to where it is now. And a lot of this has been poorly communicated or not done at all. Which has only left many of us to think that they are trying to pull a fast one over the community to forcefully bring everyone along into Components when that is not desirable.
> Wasm has not allowed actual inter-language operation at any serious scale.
This is untrue, and you may just be unaware of efforts like Extism [0]. While it is intentionally not a binding generator, it does make it very easy to blend languages meaningfully. Disclaimer, I work on Extism and therefore have some bias :) We have different goals than the Component Model, so if you actually want what the component model offers, you should use it!
I believe the easy solution here is to:
1. stop referring to WASI 0.1 as "legacy", implying some obsolete status, or call 0.1 something entirely different. Let it continue to be an easily targetable interface to bridge to the rest of today's software.
2. move WASI and Component Model code repositories out of the WebAssembly github org.
This would clarify the distinction between WebAssembly (the standard) and WASI 0.2 / WIT / CM as a project by Bytecode Alliance. They are not the same, and while the Bytecode Alliance works on making things usable and ready, it doesn't cause harm or confusion for WebAssembly users.
[0]: https://github.com/extism/extism
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Building a dynamic lib plugin system for Rust
I'm looking forward to use: https://github.com/extism/extism
- Extism: Cross-language framework for building with WebAssembly
- Extism – make all software programmable. Extend from within
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www.saashub.com | 25 Mar 2025
Stats
Basic extism repo stats
56
4,800
8.4
27 days ago
extism/extism is an open source project licensed under BSD 3-clause "New" or "Revised" License which is an OSI approved license.
The primary programming language of extism is Rust.
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