Best MDN Playground Alternatives in 2026
Updated
20 apps from coding playgrounds ranked against MDN Playground on the same published basis.
- 1MDN Playground vs Replit
- 2MDN Playground vs GitHub Codespaces
- 3MDN Playground vs Playcode
- 4MDN Playground vs JupyterLab
- 5MDN Playground vs Coder
- 6MDN Playground vs AWS Cloud9
- 7MDN Playground vs Datalore
- 8MDN Playground vs Deepnote
- 9MDN Playground vs CodePen
- 10MDN Playground vs Google Colab
- 11MDN Playground vs StackBlitz
- 12MDN Playground vs Kaggle Notebooks
- 13MDN Playground vs Observable
- 14MDN Playground vs Val Town
- 15MDN Playground vs JDoodle
- 16MDN Playground vs JSFiddle
- 17MDN Playground vs Lightning AI Studios
- 18MDN Playground vs Theia IDE
- 19MDN Playground vs Scratch
- 20MDN Playground vs Arduino Cloud Editor
MDN Playground alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Replit | 8.4 | Free plan | $18/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | GitHub Codespaces | 8.2 | Free plan | $0.07/mo | Android, API, Browser, iOS, Linux, Mac, Web, Windows |
| 3 | Playcode | 8.1 | Free plan | $25/mo | Android, iOS, Linux, Mac, Web, Windows |
| 4 | JupyterLab | 8.0 | Free plan | Free | Linux, Mac, self-hosted, Web |
| 5 | Coder | 8.0 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | AWS Cloud9 | 7.9 | Free plan | Free | Linux, Web |
| 7 | Datalore | 7.9 | Free plan | — | API, Linux, self-hosted, Web |
| 8 | Deepnote | 7.9 | Free plan | $3,920/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 9 | CodePen | 7.8 | Free plan | $8/mo | API, Web |
| 10 | Google Colab | 7.8 | Free plan | — | API, Browser, Web |
| 11 | StackBlitz | 7.8 | Free plan | Free | API, self-hosted, Web |
| 12 | Kaggle Notebooks | 7.7 | Free plan | Free | API, Web |
| 13 | Observable | 7.7 | Free plan | $2,225/mo | self-hosted, Web |
| 14 | Val Town | 7.7 | Free plan | $21/mo | API, Web |
| 15 | JDoodle | 7.7 | Free plan | — | Android, API, Browser, iOS, Web |
| 16 | JSFiddle | 7.6 | Free plan | €8/mo | API, Web |
| 17 | Lightning AI Studios | 7.6 | Free plan | — | API, Web |
| 18 | Theia IDE | 7.6 | Free plan | Free | Browser, Linux, Mac, self-hosted, Web, Windows |
| 19 | Scratch | 7.6 | Free plan | $2.92/mo | Android, Mac, Web, Windows |
| 20 | Arduino Cloud Editor | 7.6 | Free plan | $1.67/mo | Android, Linux, Mac, Web, Windows |
Make your app an alternative to MDN Playground
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about MDN Playground alternatives
What is the best alternative to MDN Playground?
Replit, number 1 in coding playgrounds with a score of 8.4 out of 10. The others here: GitHub Codespaces, Playcode, JupyterLab and 16 more.
What is the best free alternative to MDN Playground?
Replit is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.