Dev tools · alternatives · 2026
24 alternatives to ULOSINO
Open source operating system reference
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ULOSINO launched in 2021; newer entries below may have overtaken it.
- 1
Orchestra▲75Open source system for coordinating experts and machines
2015 · orchestra.b12.io · its alternatives →
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800+ community resources and Notion workbook for free
2021 · its alternatives →
- 4
A multitasking monolithic Kernel based x86 targeting Operating System written in C# from scratch aiming for high-level implementation of drivers in managed environment. - amaneureka/AtomOS
2017 · github.com · its alternatives →
- 5
A pretty simple Operating System for my High School Project - aswinmohanme/ultronOS
2019 · github.com · its alternatives →
- 6
Orchestra 1.0▲195An open-source robotic process automation system 🚀
2019 · orchestra.b12.io · its alternatives →
- 7OG
2017 · open-source.now.sh · its alternatives →
- 8
Hi HN, I’m Dvir, a young developer. Last year, I got rejected after a job interview because I lacked some CPU knowledge. After that, I decided to deepen my understanding in the low level world and learn how things work under the hood. I decided to try and create an OS in C and ASM as a way to broaden my knowledge in this area. This took me on the most interesting ride, where I’ve learned about OS theory and low level programming on a whole new level. I’ve spent hours upon hours, blood and tears, reading different OS theory blogs, learning low level concepts, debugging, testing and working on…
2025 · github.com · its alternatives →
- 9
Zorin OS 12▲139Open source Linux-based OS that is fast, powerful and secure
2017 · zorin.com · its alternatives →
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UXY: Adding structure to the UNIX tools. Contribute to sustrik/uxy development by creating an account on GitHub.
2019 · github.com · its alternatives →
- 12
The open-source engineering operations platform
2022 · github.com · its alternatives →
- 13
Ao▲86Open source, community-driven, robust Microsoft To-Do app
2019 · klaussinani.github.io · its alternatives →
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- 16RA
2024 · ristretto.codeberg.page · its alternatives →
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Uno Platforn▲75Single-codebase for Windows, Web, iOS, macOS, Android, Linux
2020 · platform.uno · its alternatives →
- 20AD
Hi, Piotr here I was collecting nice open-source companies for quite some time now. Mostly to take some inspiration and learn from their code. Last week, I though it would be fun to learn this Astro thing everyone's talking about. So I thought building a directory website out of this collection was pretty good idea. After 2 days of building, OpenAlternative was born. It's a community driven list of open source alternatives to proprietary software and applications. Enjoy and thank you for your support!
2024 · openalternative.co · its alternatives →
- 21
TrueOS▲11A powerful free and open source software to get the job done
2016 · truenas.com · its alternatives →
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Take control of your university degree
2023 · notionmark.lemonsqueezy.com · its alternatives →
- 24
Hey HN, I'm Mo. I've been building Paseo, an open source environment for running Claude Code, Codex, and OpenCode across desktop, mobile, web, and CLI. It started last September as a push-to-talk voice interface for Claude Code. I wanted to talk to an agent while going on walks. Then I wanted to see what it was doing. Then text it when I couldn't talk. Then review diffs, run multiple agents, and manage work across machines. After a lot of iteration, it turned into a broader environment. The basic model is: - A daemon runs on your machine (MacBook, desktop, VPS, etc.). - Clients connect to it…
Jun 2026 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →