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use Matrix through a simple self-hostable web client

OSS scale score Not calculatedOSS health 100
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Stars
3,910
Primary language
TypeScript
License
AGPL-3.0
Repository last updated
Sep 28, 2026
On this page

Overview

Cinny is a Matrix web client focused on a simple, modern messaging interface. It can be self-hosted from release assets or containers, while development uses a Node.js and npm workflow.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Key features

Use Matrix messaging through a web interface

Cinny connects to Matrix homeservers and presents rooms and messages in a dedicated client UI.

Sources: [2]

Self-host static assets or a container

The README documents serving release dist files and using Docker images for self-hosting.

Sources: [2]

Best fit

Fits Matrix deployments that want an alternative web client

It is useful when the homeserver remains unchanged but users should access Matrix through a different interface.

Sources: [2]

Before adoption

The project is in the middle of an SDK replacement

The README says matrix-js-sdk is being replaced with a project-owned SDK and pull requests are temporarily not accepted.

Sources: [2]

Check the recommended Node.js version for development

HACKING.md recommends Node.js Krypton LTS v24.13.1 and documents npm ci, npm start, and npm run build.

Sources: [3]

Official sources

  1. [1]cinnyapp/cinny repository(2026-09-30)
  2. [2]Cinny README(2026-09-30)
  3. [3]Cinny development guide(2026-09-30)
  4. [4]Cinny v4.12.7 release(2026-09-30)
Supplemental curator note

Cinny is a self-hostable web client for Matrix. As of September 2026, the project is replacing matrix-js-sdk with its own SDK and has temporarily stopped accepting pull requests, so adopters should account for that transition.

Try it in 3 steps

  1. 1

    Install dependencies

    Check the recommended Node.js version in HACKING.md and install dependencies.

    npm ci
  2. 2

    Start the development server

    Run Cinny locally and verify connectivity to a Matrix homeserver.

    npm start
  3. 3

    Create a production build

    Generate static assets in dist/ for self-hosting.

    npm run build
Check the official README

Growth

Growth trends · Last 30 days

3,910 Stars

Trend data is still being collected.

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GitHub data

GitHub dataView detailed GitHub data
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GitHub Topics

  • cinny
  • cinnyapp
  • client
  • hacktoberfest
  • matrix
  • matrix-client
  • matrix-org
  • reactjs
Stars
3,910
Forks
583
Watchers
18
Open issues
360
Owner type
Organization
Primary language
TypeScript
License
AGPL-3.0
Repository last updated
Sep 28, 2026
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