Ona, previously Gitpod, is an open-source developer platform automating the provisioning of ready-to-code development environments.
Germany
EU
Open Source Replit AlternativesCode Editors & IDEs like Replit
The best open source alternative to Replit is Ona. If that doesn't suit you, our users have ranked more than 100 alternatives to Replit and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Replit are CodeSandbox, JS Bin, Coder and kodeWeave.
filter to find the best alternatives
Most Replit alternatives are Code Editors, but you can also narrow the list to IDEs or Server Management Tools. Other popular filters are Free, Open Source and Online. You can also filter for EU-based alternatives if you prefer software from the European Union.
Alternatives list
- 17 Ona alternatives
33 CodeSandbox alternativesCodeSandbox is an online editor with a focus on creating, sharing and importing new React projects
Platforms
- Online
Netherlands- EU
JS Bin is a collaborative open source JavaScript debugging tool. Enter Javascript in one pane and HTML in the other and see the result; share using a short URL. Choose popular JS libs from a menu, so you don't have to remember the URL.
Cost / License
- Freemium
- Open Source (MIT)
Application typeApplication types
Since
- Since 2011
Alerts
- Discontinued
Platforms
- Online
United Kingdom
61 kodeWeave alternativeskodeWeave is a realtime coding playground for HTML, CSS and Javascript. Similar to JSFiddle and JSBin, but kodeWeave was made to work offline but also as a prototyping application to build applications for desktop operating systems while on mobile devices.
Cost / License
- Free
- Open Source
Application typeApplication types
Since
- Since 2013
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Chrome OS
- Android Tablet
+7
Cost / License
- Free
- Open Source (MIT)
Since
- Since 2025
Platforms
- Self-Hosted
United States
34 Mneme HQ alternativesArchitectural governance layer for AI coding agents — enforces decisions, policies, and standards before AI generates code.
Cost / License
- Free
- Open Source (MIT)
Since
- Since 2026
Platforms
- Mac
- Windows
- Linux
- Python
- United Kingdom
51 Try It Online (TIO) alternativesTIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
Platforms
- Online
- Self-Hosted
An experimental, lightweight, BYOK (Bring Your Own Key) recreation of the Google Antigravity UI. OpenGravity provides a browser-based, reasoning-enabled IDE with a live xterm.js terminal powered by the WebContainer API.
Platforms
- Online
- Self-Hosted
57 Plunker alternativesPlunker is an online community for creating, collaborating on and sharing your web development ideas.
Platforms
- Online
dabblet is an interactive playground for quickly testing snippets of CSS and HTML code. It uses -prefix-free, so that you won't have to add any prefixes in your CSS code. You can save your work in Github gists, embed it in other websites and share it with others.
Platforms
- Online
Greece- EU
Cost / License
- Free
- Open Source
Since
- Since 2018
Platforms
- Online
Norway