Cyrinx focuses on enabling data transfer between devices using sound without network or pairing. It is catalogued under Frameworks & SDKs on PulseGate.

Who should use Cyrinx?

Cyrinx is an open-source project built for developers and researchers in data transmission.

Yes — Cyrinx is open source under the Apache-2.0 license and free to use.

Is Cyrinx still active?

The GitHub repository shows 140 commits in the last 90 days.

What projects are similar to Cyrinx?

Similar projects tracked by PulseGate include conda-broker, genome-uploader, and ipaddons.

Is Cyrinx open source?

Yes — Cyrinx is open source under the Apache-2.0 license, developed on GitHub.

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Cyrinx

cyrinx.orgInfrastructure

Cyrinx is an open-source acoustic modem that allows data transmission between consumer devices using sound waves. It enables byte-verified data transfer from a laptop speaker to a phone microphone, making it useful for developers and researchers interested in alternative communication protocols.

Open SourceApache-2.0Web

Visit cyrinx.org

Overview

5 features

Cyrinx sits in PulseGate's Frameworks & SDKs category. It focuses on enabling data transfer between devices using sound without network or pairing. Cyrinx is an open-source project aimed at developers and researchers in data transmission. The project is open source (Apache-2.0). Cyrinx is available on the web.

Cyrinx first shipped in 2026. Development happens publicly on GitHub with 140 commits in the last 90 days. Among its 5 catalogued features are data over sound, open source, and cross-device communication.

Summary written by a language model from the project’s public pages.

Data over sound
Open source
Cross-device communication
Byte verification
OFDM modulation

Built with & integrations

Hosting

Cloudflare

Runs on

Browser

Detected from

Cloudflare: cf-ray header · cf-cache-status header

Trust & compliance

License

Apache-2.0

Verified signals

HTTPSOpen SourceFree tierGitHubActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed9 Jul · 01:07 UTC
Show HN: Cyrinx (36kbps Acoustic Transport) verified against its public source
Source: PulseGate · Open

Frequently asked questions about Cyrinx

What does Cyrinx do?: Cyrinx focuses on enabling data transfer between devices using sound without network or pairing. It is catalogued under Frameworks & SDKs on PulseGate.
Who should use Cyrinx?: Cyrinx is an open-source project built for developers and researchers in data transmission.
Is Cyrinx free?: Yes — Cyrinx is open source under the Apache-2.0 license and free to use.
What platforms does Cyrinx run on?: Cyrinx runs on the web.
Is Cyrinx still active?: The GitHub repository shows 140 commits in the last 90 days.
What projects are similar to Cyrinx?: Similar projects tracked by PulseGate include conda-broker, genome-uploader, and ipaddons.conda-broker genome-uploader ipaddons
When did Cyrinx launch?: Cyrinx first shipped in 2026.
Is Cyrinx open source?: Yes — Cyrinx is open source under the Apache-2.0 license, developed on GitHub.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
Open source: Yes (GitHub)
License: Apache-2.0
First seen: 9 Jul 2026
Built for: developers and researchers in data transmission
Model: Open source
Solves: Enabling data transfer between devices using sound without network or pairing.

Registered as

GitHub: dweekly/cyrinx

Developer

Dweekly

Solo developer

GitHub

Open source

View on GitHub

Stars: 0
Forks: 0
Open issues: 13
Last commit: 9 Jul 2026
Commits 90d: 140
Contributors: 1
Authorship: Solo
Default branch: main
Latest release: v1.0.0 · 9 Jul 2026

Live coverage

Identity confidence: High · 94.4
Indexed: 9 Jul 2026
Lifecycle: Unverified
First seen: Jul 2026
Last seen: 9 Jul 2026

Identity audit (12)

Slug: show-hn-cyrinx-36kbps-acoustic-transport-cyrinx-org
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Jul 2026
Canonical URL: https://cyrinx.org/

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