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Medium
Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.

Openvibe
Damus
gossip
nos
Primal
nostrmo
Current
Coracle is a web client for the Nostr protocol. While Nostr is useful for many things, Coracle focuses on providing a high-quality social media experience.

Which is more popular?
Based on our record, Extism seems to be more popular. It has been mentioned 25 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | extism.org | info.coracle.social |
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An editorial look at what each product does well and who it suits.


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My Honest Coracle Blocked Account Review for Germany 2026 (Is It the Best Option?)
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Share your experience with using Extism and Coracle. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Technically WASI 0.1, but I used it (via Extism[0]) to implement a simple login library[1] that works in Rust, Go, and Node. Would be trivial to add other lanugages supported by Extism. Overall I loved the dev experience. [0]:... - Source: Hacker News / 3 months ago
I tinkered with https://extism.org and basically the use case is that they suggest, namely you can extend software in another programming language but without having to setup a container or VMs on the client. They "just" run the code in... - Source: Hacker News / 3 months ago
Check out https://extism.org, it is built for those kinds of use cases. However I think WASI and components could enhance it. - Source: Hacker News / 3 months ago
Tracking Coracle since Aug 2025.
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Application and Data, Build, Test, Deploy, and JavaScript Compilers
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Gossip is a desktop client made in Rust for Nostr, an open social media protocol similar to Twitter except that you control your own account, and you can post to many different independent places called "relays".
Compare gossip to Extism or Coracle: