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massCode

massCode is a free, open-source notes and writing app for Windows, macOS and Linux. A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app. It has 7,088 GitHub stars and is released under the AGPL-3.0 license.

github.com/massCodeIO/massCode (opens in a new tab)

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About massCode

A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, drawings, and dev tools in one local-first app.

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FAQ

massCode FAQ

Still curious? Email info@appsgit.com.

Is massCode free and open source?

Yes. massCode's source code is public on GitHub under the AGPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install massCode?

Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v6.3.1) or the project website.

Is massCode still maintained?

The repository's most recent commit was on Oct 15, 2026. appsgit only lists apps whose repository had a commit in the last six months.