Billing Systems — Business & Productivity Software

Appwrite is a backend-as-a-service platform that provides a unified development environment for building full-stack applications. It integrates essential infrastructure components—including authentication, databases, storage, and serverless functions—into a single, centralized interface to simplify application developm

Ghost is an open-source publishing platform and headless content management system designed for professional publishers. It provides a decoupled architecture that separates the content management backend from the front-end delivery layer, allowing users to manage editorial workflows and site data through structured web