Open source packages
for PHP teams.
Queue autoscaling, system metrics, PHP-FPM monitoring, health checks, and more. Built because I needed them, maintained because others do too.
Products
Cbox ID, Telemetry, Billing, Cortex, Status and Assistant. Run them yourself where they are open source, or let us host them.
See the products →Packages
The open source packages the products are built on. Queue autoscaling, system metrics, PHP-FPM monitoring, health checks and more.
Explore packages →Services
Architecture review, Laravel development, Kubernetes, DevOps. One person, 25+ years of experience.
See what I offer →
Sylvester Damgaard
Has been writing code and running servers since 2000. Built the CMS and Kubernetes infrastructure behind TV2's regional news sites, co-founded a drone inspection startup used by national railway operators, and now makes open source packages for PHP teams. These tools exist because I needed them.
Read the full story →Products
Run them yourself where the code is open source, or let us host them. Every product has a managed option.
Cbox Billing
Billing, metering and entitlements you can host yourself.
Cbox Cortex
Your infrastructure, orchestrated.
Cbox ID
The identity platform you can host yourself.
Cbox Telemetry
Collector-free observability for Laravel.
Cbox Assistant
An AI assistant that knows your stack.
Cbox Status
Status pages and uptime monitoring, hosted.
Open Source Packages
View all packages →
A zero-runtime-dependency DNS toolkit for PHP. Speaks the wire protocol over raw sockets to read answers straight from a zone authoritative nameservers, plus domain verification, DNSSEC validation and intoDNS-style diagnostics.
Prometheus exporter for PHP-FPM. Collects metrics from FPM pools, opcache, and Laravel queues via FastCGI. Multi-site support.
PID 1 process manager for Docker containers. Handles signal forwarding, zombie reaping, PHP-FPM auto-tuning, health checks, and Prometheus metrics.
A gateway-agnostic billing engine for Laravel: catalog, subscriptions, real-time usage metering with hard limits, a double-entry ledger, wallets and credits, invoicing and pricing. The framework peer to laravel-id.
The DNS toolkit for Laravel: authoritative lookups, domain-ownership verification, DNSSEC validation and intoDNS-style diagnostics, exposed through a facade, Artisan commands and validation rules.
A Laravel-native auth and identity framework you bind into your own app. Central login, enterprise SSO (SAML/OIDC), SCIM directory sync, RBAC, billing-fed entitlements and a tamper-evident audit trail, all interface-driven and deny-by-default.
From the Blog
All posts →
The Code We Kept Rewriting
SSRF guards, risk scoring, jurisdiction lookups, DNS reads. The same logic was already in production
Why I Built a Collector-Free Telemetry Package for Laravel
Sentry and Nightwatch showed green while customers saw errors. Nothing ever threw, and sampling drop
Queue Autoscale v3 is here
A predictive scaling rewrite, worker topology with exclusive and grouped queues, and multihost clust
Let's build something
that lasts.
Need an architecture review, help with a deployment, or a second opinion on your setup? I am happy to talk.
Get in touch