# coolwanglu/vim.js

JavaScript port of Vim

Repository: https://github.com/coolwanglu/vim.js
Canonical: https://ross.abutalabs.com/products/vimjs
Homepage: http://coolwanglu.github.io/vim.js/emterpreter/vim.html
Language: C
License: NOASSERTION
License Family: other
Archived: true
Last push: 2016-05-12T09:08:08+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4659, "days_push": 3765, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 4443, forks 266 (observed 2026-08-28T04:08:50.343833+00:00)

## What it is
Vim.js is a JavaScript port of the Vim text editor, compiled from C to run in the browser via Emscripten with ASM.js support. It offers persistent vimrc, local and Dropbox file reading, and variations including an NW.js app and Firefox extension.

## Use cases
- run vim in a web browser
- try vim online without installing
- embed a vim editor in a web page
- edit files from dropbox with vim
- demo vim to beginners in a browser

## When to choose
- you want to demo or try Vim without installing anything
- you need a browser-based Vim-like editor for a website
- you want a portable Vim via NW.js or a Firefox extension

## When to avoid
- you need full Vim features or plugins - only the small feature set is supported
- you need a maintained tool - the project has not been updated since 2016
- performance matters - the browser build is slow and memory-hungry

## Facets
- artifact type: application
- maturity: abandoned
- function: editor, compiler, wasm
- domain: text-editors, developer-tools, web-development
- platform: browser, cross-platform
- tags: vim, emscripten, asm-js, port, browser-based-editor, web-server

## Member repositories
- coolwanglu/vim.js (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:50.343833+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:20:49.049743+00:00, confidence not recorded.
  - readme: https://github.com/coolwanglu/vim.js (fetched 2026-08-28T04:08:50.343833+00:00, sha 455ded046402)
  - homepage: http://coolwanglu.github.io/vim.js/emterpreter/vim.html (fetched 2026-08-29T09:07:52.683190+00:00, sha 4bd223a72d15)
- Data as of 2026-08-30T08:39:29.467469+00:00.