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Fx Alternatives
Similar projects and alternatives to fx
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SaaSHub
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slint
Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.
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mljar-supervised
Python package for AutoML on Tabular Data with Feature Engineering, Hyper-Parameters Tuning, Explanations and Automatic Documentation
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dotfriedrice
Set up a developer friendly niri / Arch Linux system in minutes. Also supports WSL 2, Debian, Ubuntu and macOS for CLI tools!
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aptakube
Modern, lightweight and multi-cluster Kubernetes GUI. Available on Windows, macOS and Linux.
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mech
🦾 Mech is a programming language for building data-driven systems like robots, games, and interfaces. Start here!
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devlensOSS
An Open Source Intelligent Codebase Visualizer for javascript, reactjs, nextjs and nodejs for easy PR review, fast Onboarding and deep architectural understanding
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supercollider
An audio server, programming language, and IDE for sound synthesis and algorithmic composition.
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opal
A git enabled local-first browser-first markdown workspace wysiwyg editor and publisher. Built with mdx-editor, code mirror 6, react, shadcn and typescript (by rbbydotdev)
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tabwrangler
A browser extension that automatically closes your unused tabs so you can focus on the tabs that matter
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trainbot
Discontinued Watches a piece of train track, detects trains, and stitches together images of them.
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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 fx alternative or higher similarity.
fx discussion
fx reviews and mentions
Posts with mentions or reviews of fx.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-05-10.
- Show HN: Realistic procedural fire effect via naive algorithm
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Show HN: Antimemetic message that escapes screen capture
The message is clearly visible, but it cannot be screen captured. (Or just pause the effect with click/tap.)
I think this TV static effect is more realistic than others on the web:
- Wide CRT "pixel" aspect ratio
- Larger "grains" (to match low CRT resolution)
- CRT "scan lines" (Toggle with 'C' key)
When I attempted this effect many years ago, it didn't seem possible without GPU shaders. With advances in hardware/JS performance, the CPU can easily blast a higher resolution (2560x1440) at 1000 FPS. (ENTER key to go into fullscreen mode)
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Customize the message with url param: https://fx.leftium.com/static?text=HN
(To see all options: 'U' key copies URL to clipboard and also outputs to dev console.)
Made with SvelteKit: https://github.com/Leftium/fx
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Ask HN: What Are You Working On? (May 2026)
https://fx.leftium.com (https://github.com/Leftium/fx)
Old-school graphics in modern TS.
Several years ago, it was not possible to blit an entire screen of random pixels to the screen at a decent frame rate without something like shaders.
Even though the screen is now even higher resolution, the CPU can now throw 2560x1440 random pixels to the screen at 90 FPS.
I figured out how to make my TV static effect look more realistic:
- Mostly: TV "pixels" had wide aspect ratios
- Larger "grains" (see info in corner)
- Also added subtle CRT scan line effect. ('C' to toggle)
- Looks different when animated (click to toggle pause; probably should emulate 60FPS).
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Started revisiting this rabbit hole while thinking about programming prompts from the new Recurse Center application[1]. They suggest about six different prompts; I figured out how to combine all the prompts together.
[1]: https://hn.leftium.com/i/47892660
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A note from our sponsor - SaaSHub
www.saashub.com | 13 Jul 2026
Stats
Basic fx repo stats
3
0
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2 months ago
The primary programming language of fx is Svelte.
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