# nylas/nylas-mail

:love_letter: An extensible desktop mail app built on the modern web.  Forks welcome!

Repository: https://github.com/nylas/nylas-mail
Canonical: https://ross.abutalabs.com/products/nylas-mail
Homepage: https://nylas.com/nylas-mail/
Language: JavaScript
License: MIT
License Family: permissive
Topics: electron, javascript, react, flux, macos, windows, linux, productivity, email, babel, nylas-mail
Archived: true
Last push: 2026-06-25T18:19:29+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 89, release rhythm 8, longevity 100
- inputs: {"age_days": 4339, "days_push": 69, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: archived
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 24734, forks 1343 (observed 2026-08-28T04:11:37.630113+00:00)

## What it is
Nylas Mail (originally N1) was an open-source, extensible desktop email client built with Electron, React, and Flux, featuring a plugin architecture and local sync engine. The repository was archived in 2026 and is preserved for historical reference, with community forks carrying on development.

## Use cases
- open-source desktop email client
- extensible mail app with plugins
- electron email app to fork and customize
- self-hosted mail sync client
- study how to build an electron mail client

## When to choose
- you want a historical reference for building an Electron-based mail client
- you want to fork an extensible open-source mail client as a starting point

## When to avoid
- you need an actively maintained email client
- you want security updates or bug fixes
- you need support for modern Node.js versions (it targets Node 6)

## Facets
- artifact type: application
- maturity: abandoned
- function: email, gui, plugin-system, developer-tools
- domain: email, developer-tools, cross-platform
- platform: windows, cross-platform
- tags: mail-client, archived, react, flux, extensible, open-source-email, electron, macos, linux, javascript

## Member repositories
- nylas/nylas-mail (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:37.630113+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 2026-08-29T16:56:09.829567+00:00, confidence not recorded.
  - readme: https://github.com/nylas/nylas-mail (fetched 2026-08-28T04:11:37.630113+00:00, sha 81c156673acf)
  - homepage: https://nylas.com/nylas-mail/ (fetched 2026-08-29T07:53:34.412711+00:00, sha de70c3b6dde5)
- Data as of 2026-08-30T08:39:29.467469+00:00.