Cinny
by Cinny · Open-source Matrix chat client with end-to-end encryption
BenchRank score
Screenshots of Cinny
Homepage
Overview
Cinny is a client for Matrix, an open network for secure, decentralised communication. It provides a chat interface protected by end-to-end encryption, with themes and with direct messages listed separately from channels. The source code is open, so it can be inspected and modified, and the project is funded through financial contributions.
- Best for
- Communities already on Matrix wanting an open-source web client with end-to-end encryption
- Pricing
- No prices are shown; the page presents Cinny as open source with donations invited via Open Collective, GitHub Sponsors and Liberapay.
- Runs on
- Web
Strengths and trade-offs
Strengths
- End-to-end encrypted conversations
- Source code is open to inspect and modify
- Direct messages kept separate from channels
- Built-in themes, with light selectable on the site
Trade-offs
- Needs an existing Matrix account and homeserver; none is provided
- Site names few concrete features beyond themes and the DM/channel split
- Site itself says much is still to come, so gaps should be expected
- Donation-funded project, so no paid support or service commitment is offered
Pricing
Published plans and prices from Cinny’s own pricing page.
How this score is made up
Each dimension is scored out of 100 and combined into the headline score using fixed weights.
MCP support
Whether an agent can drive the product through the Model Context Protocol, and how much setup that takes.
Documentation
Publicly reachable docs — coverage, freshness, code samples and machine readability.
Agent friendliness
How readable the site is to an automated client: llms.txt, structured data, server-rendered content, crawler access.
Changelog
A public, dated record of what shipped and when — the clearest signal that a product is still alive.
Marketing site structure
Whether the site answers a buyer's questions: clear positioning, the pages that matter, and accessibility.
Page speed
How fast the site loads for real visitors: Chrome UX Report 75th-percentile LCP, INP and CLS, with a Lighthouse mobile run standing in where a site has too little traffic for field data.
Operational trust
Status page and incident history, security disclosure, compliance and data-processing documentation.
Measured, but not part of the score
Useful to know, but not a mark for or against the product — so these do not affect the ranking.
Openness
Source availability, self-hosting, data export and open standards. Scored and shown, but not part of the composite — paid SaaS is not worse for being paid SaaS.
Maintenance
Release cadence and repository activity. Scored and shown, but not part of the composite — it is only measurable for open repositories.
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Where this comes from
The Cinny pages BenchRank reads when it scores the product — its documentation, release notes, status and security pages, and its repository where there is one.
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