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Dev tools · alternatives · 2026

24 alternatives to Trinket.io now openSource!

Free Coding editor for schools: P5, Python, Java, R, HTML...

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1OS

    I'm launching UneeBee, an open-source tool for creating interactive courses like Duolingo: GitHub repo: https://github.com/zoonk/uneebee Demo: https://app.uneebee.com/ It's pretty early-stage, so there's a lot of things to improve. Everything on this project is going to be public, so you can check the roadmap on GitHub too: https://github.com/orgs/zoonk/projects/11 I'm creating this project because I love Duolingo and I wanted the same kind of experience to learn other things as well. But I think this could be useful to other…

    2023 · uneebee.com · its alternatives →

  2. 2IW

    Good math problems are hidden inside textbooks and online documents. To keep up with all the sources in the world is hard. For someone who just wants to continuously solve problems, finding and going through all the sources feels like a hassle. I wished for a website that could just dump all the math problems available in the world out there. And if I could filter the problems by topics, that would be beautiful. teachyourselfmath is a side project that was born out of this need. At its core, it is a math PDF extraction engine. The engine has some machine learning going on behind the scenes…

    2024 · teachyourselfmath.app · its alternatives →

  3. 3IM

    Hi, I'm a high school teacher from Australia and I've built what I'd like to think is a pretty nifty ChatGPT powered presentation tool for teachers. I'd love it if you could have a look at it and give me some of your feedback. I don't think there's much overlap with the HN crowd and school teachers, but I've been coming here for many years and thought I'd post here and see what you all think. Check it out if you have a minute and I'd be super happy to hear your feedback too. https://www.slidehero.ai/ You can jump in and have a play with the tool all you like ;) Cheers, Eli

    2025 · its alternatives →

  4. 4
    KnightOS▲136

    An open-source OS for calculators

    2016 · its alternatives →

  5. 5FM

    Free and Open Source software for managing math homework. Students digitally record step-by-step math work. Teachers simultaneously review all assignments with complete solutions grouped by similar final answer. Grade faster and more thoroughly every day!

    2017 · freemathapp.org · its alternatives →

  6. 6

    In the last few years I've been doing a lot of technical writing, both for my own programming blog and others, and I've noticed there is a lack of good tools for this kind of writing. Whether that was a programming blog post or documentation, I always had to move back an forth between different editors, and sometimes even other apps for content management and the actual content publication. A lot of copy-pasting, and wasted time. Based on this experience I decided to try and build a tool that could provide a good experience for this kind of content from writing to publishing. This (I call it…

    2023 · vrite.io · its alternatives →

  7. 7IM

    Hey developers I think we're tired of copying and pasting our codes and sharing links using PasteBin, GithubGist, or Slack. What if you could share the codes without copying the link and share them right from your favorite editor? That was the motivation for creating TurboGist. Right now, it's still in the MVP stage, and I'm trying to gather feedback from developers like you. It's available as a beta in the VS Code Extension store. Can you guys check this out? It'd help me a lot. You don't need to pay any penny, 100% FREE. However, I'm working on introducing a self-hosted feature. Besides, a…

    2025 · turbogist.dev · its alternatives →

  8. 8

    Everything that would be here is in the README. I hope this gets big, it has tons of potential.

    2013 · github.com · its alternatives →

  9. 9

    I recently published the Blender Python Cheatsheet on Gumroad a couple of days ago. In three pages, it is a collection of most frequently used functions and solutions to common problems you will encounter when writing scripts, macros or addons using the Blender API. I released it for free and I did

    2023 · salaivv.com · its alternatives →

  10. 10OS

    I got tired of collecting open source projects in my chrome bookmarks so I decided to compile a curated list of: - Recently active projects on GitHub - Mostly dev tools (but also productivity, analytics) - Projects which are "Alternative to X software" My bookmarks are finally empty:D If you have a great open source tool you use, I'd be glad to hear your suggestions. Also, any feedback is greatly appreciated.

    2025 · alternativeoss.com · its alternatives →

  11. 11ES

    Trinket shut down on August 31, 2026. Information about alternatives, the open source release, and subscriptions.

    2014 · trinket.io · its alternatives →

  12. 12IM
  13. 13

    The Open Source Differentiation Engine for Teachers.

    Jan 2026 · its alternatives →

  14. 14IB

    Quizlet, a popular tool among high schoolers and college students used to study for tests recently made it's core functionality paid. In an era where Autodesk, Adobe, and Microsoft hold their proprietary software to their chests, it's exciting to see opensource alternatives come to compete with them. I'm 15, and I'm excited to do my part to keep education free for everyone. https://openlearn.vercel.app

    2022 · its alternatives →

  15. 15LA

    Hello HN, I am building a devtool to understand existing codebases. The idea originates from my time at big tech as well as various attempts to get involved in open source projects. When I was in college I wanted to improve my coding skills by contributing to opensource projects. I would pickup a bug or feature request but I always found myself stuck at the very first step. I did not understood where and how to begin contributing. I once submitted a patch in firefox which was labeled "Good first issue" but that was still very handheld. The assigner told me exactly which files I need to…

    2024 · lucidcode.ai · its alternatives →

  16. 16

    I spent the past few weeks making an open source cloud code editing environment with an AI copilot and multiplayer collaboration! It's fully self-hostable in 5-10 minutes. There's a lot of minor improvements to be made, and some are already listed in the Github issues. Let me know what you think and feel free to try it out.

    2024 · github.com · its alternatives →

  17. 17IB

    You know that old TI calculator you used in high school, then put in a box and forgot about? Have you ever wished you had an operating system for your calculator with preemptive multitasking, dynamic memory management, a tree filesystem conforming to the FHS, and all the comforts of Unix? Well, good news: that's totally a thing that exists. I've been working on my kernel for about three and a half years now and I'm looking for new contributors to help out. It's written entirely in z80 assembly, and it's both challenging and fun to work on. There's an IRC channel for contributors or people…

    2014 · its alternatives →

  18. 18

    Open-source learning for mathematics

    2025 · its alternatives →

  19. 19
    UneeBee▲13

    I built an open-source tool for learning anything using AI: - Type what you want to learn - It creates a full interactive course for you Move from beginner to mastery of any subject, even complex things like Quantum Physics It has three formats: - Explanation: bite-sized lessons that you swipe like TikTok/Instagram - Practice: solve problems in real-world situations - Quiz: test your knowledge in Duolingo-like lessons - Language courses have a different format covering vocabulary, reading, and listening skills It's more hands-on than reading a long textbook or watching a video Plus, it…

    2023 · zoonk.com · its alternatives →

  20. 20MF

    Hi! Long time reader, first time submitter. I've finallllyy got my first webapp online. It's been a long time coming, I started it over a year ago and just been an hour here, a couple of hours here, and a period of a couple of months of nothing. I first wrote it as a way to learn some python it sort of grew to fill a need I had. It's at a point now where I'd LOVE some feedback as I am going round in circules. Please, it's free, just hit the home page, plugin in a name/email and url you want to links checked on. If you use the name 'DeleteMe' I will remove the account after a week, so feel…

    2012 · sitecrawl.net · its alternatives →

  21. 21

    It’s a free, open-source, non-profit knowledge base for STEM (Science, Technology, Engineering and Mathematics). Think of it as an "awesome repo" on steroids. Ideal for going deep into STEM topics, after ChatGPT/Google gives you an overview. - 60+ GB of resources - 10k+ PDFs - 6k+ subtopics Note: this is our first MVP release. Many improvements are planned — check out our roadmap (inside README.md)

    2025 · github.com · its alternatives →

  22. 22

    Path to a free self-taught education in Computer Science!

    2016 · ossu.firebaseapp.com · its alternatives →

  23. 23HP

    Hey everyone, I've been experimenting with collaborative learning and active learning for a while (I launched Coderoulette a couple of months ago) and I'm launching something new today that I'm really excited about. Online learning is pretty passive (video lectures) and lonely, and I think we could create an online learning experience much engaging and effective than that. Only 5% of people who start a Coursera course finish it. My hypothesis is that we can increase that number significantly by matching learners online in teams of 2-3 and giving them a real project to build together. On top…

    2016 · its alternatives →

  24. 24

    Hi everyone! At Fluxon, we found that we were't happy with existing solutions for collaborative coding with engineering candidates in our technical interviews. So we built OpenBracket.net—a simple code editor with no setup or log in needed—just share the link and start coding together. Our first version is now available for anyone to use. We’d love some feedback. Thanks!

    2022 · openbracket.net · 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 →