EXT – an easy way to build cross-platform desktop software
Hi HN! If you've ever tried to build a desktop app, you probably understand our frustrations with how challenging it is to build one and make it available on Mac, Windows, and Linux. Even with Electron, you still have to set up your own build pipelines, updating mechanisms, code-signing, deployments, and deal with cross-platform compatibility issues. We built EXT to make building cross-platform desktop software easier! Dog-fooding our own APIs, we ported 36 initial games and utilities to the EXT store (all free), and we've open-sourced all of them: https://github.com/extpkg If…
EXT – an easy way to build cross-platform desktop software launched on January 14, 2024 with 63 votes, #829 of 4,437 launches that month and more than 90% of that year's launches.
In plain words
EXT is a platform for building and distributing cross-platform desktop applications across Mac, Windows, and Linux. It handles build pipelines, updates, code-signing, and deployment automatically, eliminating manual setup required by traditional frameworks like Electron. The platform includes an app store featuring 36 free games and utilities, all open-source, with offline functionality built-in. EXT targets developers frustrated by cross-platform compatibility challenges.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! If you've ever tried to build a desktop app, you probably understand our frustrations with how challenging it is to build one and make it available on Mac, Windows, and Linux. Even with Electron, you still have to set up your own build pipelines, updating mechanisms, code-signing, deployments, and deal with…
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