Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I built an online programming language launched in 2023; newer entries below may have overtaken it.

1. 1IB
   I built an online programming language▲67

   2021 · codigo.so · its alternatives →

2. 2IB
   I built a JSON based multiplayer framework and platform for web games▲6

   2022 · docs.acos.games · its alternatives →

3. 3IB
   I built a Python course on the learning platform made for developers▲7

   2021 · slip.so · its alternatives →

4. 4MP
   My programming language, building in public for 1 year▲7

   My weekly(ish) video logs tracking my progress of building a completely sound statically typed language and structural editor. The motivation is to make lots of invalid programs unrepresentable.

   2022 · petersaxton.uk · its alternatives →

5. 5
   I started building an open-source suite of tools for web apps▲9

   2024 · github.com · its alternatives →

6. 6IM
   I made an API builder for side projects▲6

   2022 · getquickbase.com · its alternatives →

7. 7
   I built a web-ready synthesizer using WebAssembly and C++▲6

   2020 · youtu.be · its alternatives →

8. 8IB
   I built neat and free interactive JavaScript courses▲5

   2022 · blog.playcode.io · its alternatives →

9. 9IB
   I built a tool that gives any website an API and MCP▲5

   25d ago · its alternatives →

10. 10
    An online game I've been working on (eolsh) and its server architecture▲5

    2021 · youtube.com · its alternatives →

11. 11IM
    I made a site and repo for sharing algorithm implementations▲6

    2014 · dry-sea-7022.herokuapp.com · its alternatives →

12. 12
    Passambler: A toy language I made in Java over the course of 4 months▲5

    2015 · github.com · its alternatives →

13. 13BA
    Building a Programming Language for Kids▲9

    2022 · revine.arpitbhayani.me · its alternatives →

14. 14IU
    I used Squarespace to build a site for my new game. Very pleased▲7

    2014 · cartegram.com · its alternatives →

15. 15EO
    Explore Open Source Code Online (early prototype)▲9

    2011 · codemaps.org · its alternatives →

16. 16IM
    I made Wordulo, a simple word game▲6

    2024 · wordulo.com · its alternatives →

17. 17IW
    I was frustrated with programming interviews, so I made this.▲6

    2012 · initialround.com · its alternatives →

18. 18PW
    Progressive Web App “An Easy Programming Language”▲5

    2018 · easyprog.app · its alternatives →

19. 19MF
    My First App, Realll, Reindexing the Web by the Power of Human▲9

    2021 · realll.co · its alternatives →

20. 20IM
    I made a web application framework for .NET Blazor▲6

    2023 · blazorspark.com · its alternatives →

21. 21IT
    I threw together a cute JavaScript sandbox for kids▲6

    2019 · howtocodejs.com · its alternatives →

22. 22JC
    JS Cloud/Web Desktop I made in my spare-time▲5

    2013 · andersevenrud.github.com · its alternatives →

23. 23IB
    I built a roguelike game with Redux and learned some stuff▲6

    A minimal coding blog

    2020 · elliotbonneville.com · its alternatives →

24. 24MF
    My first webapp, a simple, very simple notepad.▲6

    2013 · dl.dropboxusercontent.com · its alternatives →

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 →