stackblitz.com

An open-source client-side code playground that supports 90+ languages/frameworks. Projects can be saved, exported, shared, synced, deployed (to GitHub Pages) and embedded in web pages. Mobile-friendly. Can be self-hosted. Free for unlimited usage. No account required.

Wave is an open-source, cross-platform terminal for seamless workflows. Render anything inline. Save sessions and history. Powered by open web standards. MacOS and Linux. ⬆️ Back to Top

Quantified self-metrics about your coding activity using text editor plugins, limited plan for free.

Community-driven, without telemetry/tracking, and freely-licensed binary distribution of Microsoft’s editor VSCode

Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more).

Code editor redefined and optimized for building and debugging modern web and cloud applications. Developed by Microsoft.

Sublime Text is a popular, versatile, and highly customizable text editor used for coding and text editing tasks.

A cloud programming playground well-suited for running code snippets. Supports various programming languages. No registration is required for running code, but it is necessary when saving code on their platform. Also offers free courses for beginners and intermediate-level coders.