Alternatives

Products that do what Melon Sandbox does

Play Melon Sandbox instantly in your browser

1. 1
   npm i -g hotcell▲97

   Local sandboxes for AI agents on your Mac, Linux, bare metal

   Aug 2026 · github.com

2. 2
   Sandpack by CodeSandbox▲211

   Toolkit for building live coding experiences in browser

   2021

3. 3
   Sandcastle▲154

   Design a room with magical automated tools 🏡✨

   2017

4. 4
   Play Turf▲141

   Augmented reality physics sandbox game

   2024

5. 5
   Atmo▲128

   Mock data for your prototypes and demos

   2017

6. 6
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   Everything you need to evaluate & improve prompts and LLMs

   2023

7. 7
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   2020

8. 8
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9. 9
   Magic Sandbox▲119

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   2025

10. 10AP
    ARKit Playground – Make ARKit Experiences in JS from Your Browser▲151

    2017 · snack.expo.io

11. 11GP
    Go playground powered by WASM that runs in the browser▲140

    2021 · go-playground-wasm.vercel.app

12. 12
    CreateOS Sandbox▲153

    Instant, hardware Isolated Sandboxes for AI agents

    Jul 2026 · createos.sh

13. 13
    EVM Sandbox▲117

    Your production-ready Web3 staging environment

    2024

14. 14
    React Jam▲108

    Build a game in 10 days using React, learn and win prizes

    2023

15. 15
    BuildBox▲135

    Make amazing Mobile games and publish them everywhere.

    2015

16. 16
    BuildKitty Play▲22

    Online React Tailwind Playground

    Sep 2025

17. 17
    Tiny World Builder▲84

    Click and build tiny worlds

    May 2026

18. 18
    ASO Tool Box by StoreMaven▲86

    Preview & download the creatives of any app, in any country

    2018

19. 19
    Sand API▲100

    Generate APIs in a few clicks

    2023

20. 20
    that's a cow▲104

    Super milky, super destructive & super fun game

    2022

21. 21
    Protome▲95

    Gather feedback on prototypes, designs, mockups easily.

    2023

22. 22
    CHKN▲94

    That time you made a fake crazy animal in a sandbox game

    2016

23. 23MC
    Minimal container-like sandbox built from scratch in C▲5

    Runbox recreates core container features without relying on existing runtimes or external libraries. It uses namespaces, cgroups v2, and seccomp to create an isolated process environment, with a simple shell for interaction. For future gonna work on adding an interface so external applications can be executed inside Runbox, similar to containers. Github: https://github.com/Sahilb315/runbox Happy to hear feedback or suggestions.

    Dec 2025 · github.com

24. 24MM
    Marauders Map (Circle Hackathon)▲23

    Do you guys remember that magical map from that Harry Potter movie? That thingy a couple of guys at Dropbox made during their hackathon? We took it to the next level...

    2012 · discovercircle.com

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