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

Which is more popular?
Based on our record, Linktree should be more popular than Extism. It has been mentioned 141 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | extism.org | linktr.ee |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Australia · 10 - 19 employees · 2016 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Extism yet.
Linktree is the launchpad to your latest video, article, recipe, tour, store, website, social post - everywhere you are online. Join over 10 million of the world's biggest influencers, creators, publishers and brands using Linktree in their marketing strategy.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Extism yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No Extism videos yet. You could help us improve this page by suggesting one.
REVIEW | Use LINKTREE To Add More Links To Your INSTAGRAM BIO | EP 19
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Extism and Linktree. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Extism yet. Be the first one to post
The alternative most similar to ContactInBio is Linktree. Like ContactInBio, Linktree lets you create a landing page with multiple links. You can customize that page to match your brand, track the performance of links...
Linktree is the most popular Link In Bio tool out there. It has more than 50 million users around the world. Everybody knows the name. But, as it usually goes, the most popular tool is not the best one. In 2024, there...
Linktree boasts a wide range of integrations, making it incredibly functional for businesses and influencers who want to connect their audience to different platforms. From social media channels to payment gateways,...
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
Linktree: The classic choice for housing all your links (GitHub, LinkedIn, Blog) in one spot. - Source: dev.to / 8 months ago
As with any CMS I come across, I try to use it with an application. This time I decided to use Astrolink, a minimal alternative to Linktree. You can check it out on a demo page, or see it's details in Astro theme catalog. - Source: dev.to / over 1 year ago
When I first wrote about my pointless personal side projects a few months ago, I used the software I had written to generate my own link site (like a LinkTree clone) as an example. - Source: dev.to / almost 2 years ago
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