Code Editors & IDEs

Build .NET applications for web, mobile, desktop, and embedded targets with Uno Platform.

Test React, Tailwind, JavaScript, CSS, and HTML in JSFiddle’s online code playground.

Download community-built, freely licensed binaries of Visual Studio Code through VSCodium.

Edit programming files in multiple languages on Android with Squircle CE, an application designed for mobile devices.

Compiler Explorer compiles code online and displays the resulting assembly for several programming languages.

A graphical, cross-platform interface for Neovim is provided by Neovide.

Phoenix Code is a free, open-source code editor with live preview for HTML, CSS, and JavaScript.

Customize Neovim with NvChad, a configuration that provides defaults, UI styling, and lazy-loaded plugins.

Write and edit source code on Android with Visual Code Space, a mobile code editor project.

A self-hosted browser IDE is provided by Atheos, an updated version of Codiad.

Compare output from interactive online decompilers in Decompiler Explorer by uploading a binary or selecting a sample.

Online code editing and compilation are available in Judge0 IDE, a free open-source tool.

Android code editing is available through Acode, an open-source mobile editor.

Instant provides backend services for applications, and its page says service will continue until August 31, 2027.

Organize text in Heynote’s persistent buffer, which divides notes into separate blocks.

Edit code with Pragtical, which includes language server support and project file search.

Acode offers mobile code editing, an Alpine Linux terminal, and tools for running AI coding agents.

Generate code snippets for Visual Studio Code, Sublime Text, and Atom with this snippet generator.

JetBrains Datalore provides a Jupyter notebook environment for Python, SQL, R, and Scala with collaboration and compute resources.

Run C and Python in a browser without signing in, using the site compiler and Linux console.

C++ code can be written and run in a browser with cpp.sh, an online compiler environment.

Explore compiler output for C#, VB, and F# code in the SharpLab compiler playground.

Write HTML, CSS, and JavaScript in an online editor with an instant preview of the result.

Compile and run code in programming languages including C, C++, Java, JavaScript, Python, and more with Wandbox.