can i fork it?

Head-to-Head Comparison · Alternative to Session · 🛠️ dev tools

Session vs Cinny

Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption. Here is how Cinny ($0/mo open source) stacks up against Session ($25/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

Cinny is a verified AGPL-3.0-licensed open-source replacement for Session. Switching from Session ($25/mo) saves $300/yr per solo seat, or $1,500/yr for a 5-person team. Deployment: Runs on Self-host.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Microsoft Teams.

Open-Source Alternative

Cinny

$0.00/mo · AGPL-3.0

Session vs Cinny Specifications

facts verified 2026-11-07

DimensionSession (Paid)Cinny (Replacement)
Monthly Price$25 / mo$0 / mo
1-Year Cost (1 seat)$300 / yr$0 / yr (Save $300)
1-Year Cost (5 seats)$1,500 / yr$0 / yr (Save $1,500)
1-Year Cost (10 seats)$3,000 / yr$0 / yr (Save $3,000)
Source & LicenseProprietary SaaSopen source AGPL-3.0
Where It RunsVendor CloudSelf-host (your server)
PlatformsWeb / Cloud
webself-hosteddocker to self-host
GitHub Stars—★ 4k (active nov 2026)

Deep Dive: Switching from Session to Cinny

Trade-offs, installation & data architecture

The Catch vs Session

What you trade away

Requires self-hosting setup, updates, and server maintenance compared to managed Microsoft Teams.

Installation

How to deploy Cinny

Clone https://github.com/cinnyapp/cinny or deploy with Docker Compose

Day-2 Operations & Setup

What it takes to run

Deploy via Docker or binary release from GitHub and configure environment variables.

Data Ownership

Where your data lives

All application data and configuration live on your own server or local database.

Build vs Fork Verdict: NO (use a free alternative, save the tokens)

Why fork Cinny instead of vibe-coding a Session clone?

Instead of paying recurring SaaS fees for Session or rebuilding it from scratch, deploy one of the 4 battle-tested open-source alternatives like Signal.

Session vs Cinny FAQ

Is Cinny a good free alternative to Session?+

Yes. Cinny is a verified open-source (AGPL-3.0) replacement for Session. Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.

What is the catch when switching from Session to Cinny?+

Requires self-hosting setup, updates, and server maintenance compared to managed Microsoft Teams.

How much do you save switching from Session to Cinny?+

Session costs $25/mo ($300/yr) per seat, whereas Cinny is $0/mo. Switching saves $300/yr for a solo user, $1,500/yr for a 5-person team, and $3,000/yr for a 10-person team.

How do I install or self-host Cinny instead of Session?+

Install: Clone https://github.com/cinnyapp/cinny or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.

Other Free Alternatives to Session

compare all 4 →

Cinny Also Replaces

full Cinny profile →