Open Source

Javer is built in-house — the panel, the billing, the deploy pipeline, all of it is our own code. But none of it runs in a vacuum. Every product stands on open-source software that other people spent years building and gave away for free. This page names them.

// Runtime & framework

Node.js runs every product's server MIT

Express the web framework behind every API MIT

// Data

SQLite every product's own account database Public Domain

PostgreSQL a managed database option on Webhost & Simple PostgreSQL License

pgvector vector search, bundled into every Postgres database PostgreSQL License

MySQL the other managed database option GPLv2

PgBouncer connection pooling for every Postgres database ISC

// Containers & virtualization

Docker every app and database runs in one of its containers Apache 2.0

QEMU powers Webhost's VM hosting GPLv2

libvirt manages those VMs LGPLv2.1

itzg/docker-minecraft-server every server on Game Host runs on this image Apache 2.0

// Frontend

React every panel's UI MIT

Vite builds every client MIT

xterm.js the in-browser terminal on VM & game consoles MIT

// Security & identity

bcrypt every password hash, everywhere MIT

jsonwebtoken signs every login session MIT

otplib two-factor authentication MIT

sharp avatar & image processing on Javer ID Apache 2.0

// Networking

cloudflared the tunnel every subdomain routes through Apache 2.0

// Payments UI

Stripe.js & React Stripe.js the card form itself — Stripe the payment processor is a separate, paid service MIT

This list covers the projects a customer would actually recognize — underneath them sits a longer tail of smaller open-source packages doing smaller jobs (routing, rate limiting, file handling, and the like). If you maintain one of them and want a specific credit here, tell us.