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Products that do what Developer Playground does
10+ free dev tools: code formatting and generators
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Kshitij and Rahul here. We're building Playground, an open-source sandbox that lets your non-technical teams prototype directly on production codebases, without bugging you (developers) to spin up and maintain another repo. The repo is here: https://github.com/B1u3B01t/design-playground. We've been working together for six years. Last year we built an AI design agent because we thought designers were the biggest bottleneck. But we were wrong. After talking to teams, we realised designers, PMs, founders and even sales people all wanted to quickly change and explore flows…
Jul 2026
- 6PE
Inspired by Compiler Explorer and other playground/fiddle websites like jsfiddle, db-fiddle, Go playground, and Rust playground, I thought it would be cool to have a playground for nearly any program so I've been working on Program Explorer: a playground for running programs from containers. I am inspired by these playgrounds because they are great educational tools for quickly experimenting and as communication tools by sharing shortlinks that reproduce bugs for instance. I would love for every open source project that publishes a container to get their own playground for free. I'm…
2025 · programexplorer.org
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2015 · github.com
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170+ Privacy-First Developer Tools. Runs in your browser.
Jan 2026 · tiny-dev-tools.vercel.app
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DevToys▲640 essential developer tools in one clean, ad-free bookmark.
Jul 2026 · devtoys-nu.vercel.app
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Playground to tweak and test shapes for developers
Aug 2026 · sandbox-ui-five.vercel.app
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14 free browser dev tools, no tracking, offline, 7 languages
Jun 2026 · devtools-site-301.pages.dev
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50+ free developer tools that run entirely in your browser
Mar 2026 · developer-tools-woad.vercel.app
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