CHRONO GATE0 online
Credits
Open-source software we build on.

Chrono Gate would not exist without the maintainers of the projects below. Every platform in the field, every page you read, and every byte on disk depends on volunteer work that we neither wrote nor paid for. We owe them immense gratitude.

Server backend
POCO C++ LibrariesBoost 1.0

HTTP server, networking, crypto, JSON, and Data abstraction layer.

PostgreSQL (libpq)PostgreSQL License

Relational database powering orders, users, sessions, and audit log.

OpenSSLApache 2.0

TLS for HTTPS, SMTPS, and Poco::Crypto primitives.

CMakeBSD-3

Cross-platform build system for the server and firmware.

Web frontend
LeafletBSD-2

Interactive maps on /map and platform public pages.

Chart.jsMIT

Battery, CPU, and WiFi history charts on device history pages.

Three.jsMIT

Real-time 3D viewer for the Monolit model on the catalog page.

CARTO basemapsAttribution

Dark-themed map tiles that match our visual identity.

Firmware & device
lgpioUnlicense

GPIO access on Raspberry Pi via /dev/gpiochip0.

Linux kernel (spidev)GPL-2.0

SPI interface for the Waveshare 2.13" e-Paper display.

Infrastructure
DebianDFSG-free mix

Base OS for both VPS and Raspberry Pi platforms.

systemdLGPL-2.1+

Service supervision, timers, and journal logging on all hosts.

nginxBSD-2

Edge TLS termination and static asset serving on the VPS.

License

Full license texts ship with each distribution of the server and firmware.

Thank you

If your project is listed here and you would like a different form of attribution — or if we missed you — please write to contact@chronogate.io and we will update this page.