massCodeIO/massCode

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

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README & documentation

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massCode A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, drawings, and dev tools in one local-first app. Your workspace is stored locally as plain Markdown files. Download  |  Documentation  |  Changelog Extensions: VS Code | Raycast Available for macOS, Windows, and Linux massCode is free and open source. But building and maintaining a quality tool takes time. Your support helps keep development going and new features coming. [](https://opencollective.com/masscode) [](https://paypal.me/antongithub) [](https://antonreshetov.gumroad.com/l/masscode) [](https://buy.polar.sh/polarclbpDmjg079kfiAVtdtrtBwxyRXN6NK8B4Bvqdk2QXdx7) SPONSORS Originally a snippet manager, massCode now brings together snippets, notes, HTTP requests, calculations, drawings, and developer tools in one desktop app, so everyday work stays in one place. Use massCode as a focused snippet workspace with multi-level folders, tags, and fragments for organizing reusable code across projects and languages. Write longer markdown documents right next to your snippets: project docs, drafts, research notes, and personal knowledge bases. Build and test API workflows alongside your code snippets…

massCodeIO/massCode on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-10-27T12:32:25.286Z

Inside the original README — Document outline
  1. Support
  2. About
  3. Features
  4. Code Snippets
  5. Notes
  6. HTTP Client
  7. Math Notebook
  8. Drawings
  9. Developer Tools
  10. Command Palette
  11. Imports
  12. Browser Clipper

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Documentation belongs to its respective authors. Reported project/model license: AGPL-3.0. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.

What this repository does

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

Repository facts

Owner
massCodeIO
Primary language
TypeScript
Stars
7,014
Forks
272
Open issues + pull requests
2
License
AGPL-3.0
Archived
No
Default branch
main
Created
2022-03-29T07:54:21.000Z
Last push
2026-10-01T06:30:36.000Z

Topics and intended use

Owner-supplied topics: api-client, code-snippets, developer-tools, electron, http-client, knowledge-base, linux, local-first, macos, markdown, note-taking, notes, productivity, snippets, snippets-manager, vue, windows

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Source and freshness

Source: GitHub. Metadata observed 2026-10-04T12:07:47.745Z. Daily imports are snapshots, not real-time monitoring.

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