# cryptocat/cryptocat

Secure chat software for your computer.

Repository: https://github.com/cryptocat/cryptocat
Canonical: https://ross.abutalabs.com/products/cryptocat
Homepage: https://crypto.cat
Language: JavaScript
License: GPL-3.0
License Family: copyleft
Topics: cryptocat, secure, messaging, cryptography, security, chat
Last push: 2019-01-21T15:16:27+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3809, "days_push": 2781, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1113, forks 212 (observed 2026-08-28T04:03:38.012594+00:00)

## What it is
Cryptocat is a desktop application providing encrypted, secure chat built on Electron with JavaScript. It packages for Windows, Linux, and Mac, though its last release was in 2019.

## Use cases
- chat with end-to-end encryption
- secure private messaging on desktop
- encrypted group chat
- private conversations without a phone number
- self-hosted secure chat client

## When to choose
- you need a simple encrypted desktop chat client and accept unmaintained software
- you want to audit or fork an open-source secure messaging app

## When to avoid
- you need actively maintained software with current security patches
- you need mobile support
- you need modern encryption protocols audited recently

## Facets
- artifact type: application
- maturity: abandoned
- function: chat-interface, cryptography, security
- domain: privacy, messaging-platforms, security
- platform: cross-platform, windows
- tags: encrypted-chat, electron-app, secure-messaging, end-to-end-encryption, desktop, macos, linux, electron

## Member repositories
- cryptocat/cryptocat (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:38.012594+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 2026-08-30T06:42:34.658072+00:00, confidence not recorded.
  - readme: https://github.com/cryptocat/cryptocat (fetched 2026-08-28T04:03:38.012594+00:00, sha ea5eef3c50e5)
- Data as of 2026-08-30T08:39:29.467469+00:00.