jcm

v0.2.3 Growing

Pure Rust implementation of the JCM USB communication protocol

MIT Edition 2021

Data structures Finance #usb#bill-acceptor#bill-validator#jcm

GitHub ↗ crates.io ↗ Compare with…

Quick Verdict

✕Not updated for 1+ year
!Pre-1.0: API may have breaking changes
✓Permissive license (MIT)

Security

Checking security advisories...

Downloads

10.0K

Dependents

Releases

Size

66KB

Deep Insights

📊

Steady growth

18 downloads in the last 30 days (1/day), up 6% from the previous period.

🔬

Pre-1.0 for over a year

Despite being 2+ years old, jcm hasn't reached 1.0 yet. Expect potential API changes between versions.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 6/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days

1/day avg-77%

Version Adoption

v0.2.3

27%

v0.2.2

20%

v0.1.1

18%

v0.1.0-pre-release

18%

v0.2.0

18%

Release Timeline

7 releasessince 2024

2024

2025

2026

Less

Feature Flags

default =["usb"]

usb*e2e-testsjcm-service

README

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Maintainers

decapod-atm

9 crates

Dependencies

direct dependencies