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Uno: Single-Codebase for Windows, WebAssembly, iOS, macOS, Android and Linux

platform.uno Software & code Software projects Software engineering Candidate
Screenshot of platform.uno captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 4 calendar years, with breakout response in 2 of them.

submissions
4
submitters
4
observed span
2019–2024
peak thread · 197 comments
359 pts
latest 20+ return · 2024-05-02
208 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Kinda hard to find actually working WASM showcases, but this one... https://uado.platform.uno/ ...loads 8.1 MBytes compressed (32 MBytes uncompressed) until the login button appears. This simple calculator: https://calculator.platform.uno/ ...10.1 MBytes compressed, 53.8 MBytes uncompressed. Needs a splashscreen and 10 seconds to start (on a 50 MBit connection) It's one thing to "simply" port some cross-platform-code to WASM and make it run in the browser, but making it a proper web application takes some actual…

Some questions that aren't in the FAQ: - What is the license? Apparently Apache 2.0 [1]. - What is the minimum web bundle size and startup time? - On desktop, what is the minimum RAM usage? Binary size? - Is there a WYSIWYG editor? [1] https://github.com/unoplatform/uno/blob/master/License.md

I never really feel like these can get off the ground because they immediately go too broad. Realistically most cross platform apps will talk to a central API that does most of the logic processing, so really all you are looking for is a way to implement UI that can be re-used. But I always find that the differences between how we expect a Web App, UWP App and Mobile App to work and behave are too different to really…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
620

reference only — not used in Hall rules or ranking

Total comments
356

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2019-08-09Uno Platform – Cross Platform .NET UIkristianp5112
2020-11-05Uno: Single-Codebase for Windows, WebAssembly, iOS, macOS, Android and LinuxFirst breakout · Best threadoctopoc359197
2022-11-19Uno Platform – Build Pixel Perfect Applicationsnight-rider20
2024-05-02Uno: Create Beautiful Cross Platform .NET Apps FasterLatest 20+ point returnthunderbong208147