Self-hosted open source newsletter platform for managing subscribers and sending campaigns

Lightweight WordPress plugin for automated WhatsApp blog notifications – manage subscribers, send custom templates, and boost engagement instantly.

Level up your management game with this Python-powered system! Easily add, edit, and track games and subscribers, generate activity reports, and keep your gaming universe organized. Built with MySQL and Tabulate, it’s your ultimate cheat code for streamlined management. 🕹️✨

📡 Offline-first ISP management platform — hierarchical area/town structure, subscriber profiles, LIFO billing logic, Excel import/export, bulk billing & full financial ledger. Built with React 19, TypeScript & SheetJS. No backend required.

ManyChat API SDK for Python - Async, type-safe client for ManyChat's Facebook API with comprehensive feature coverage and production-ready reliability.

HarisLab Connect lets you manage website forms, feedback, newsletters, and subscribers all in one dashboard. Embed contact & feedback forms without coding, track submissions in real-time, manage subscribers, and send scheduled campaigns effortlessly. Perfect for website owners and small businesses.

Email automation backend with subscribe/unsubscribe management, scheduled newsletter delivery via cron jobs, and full Swagger API documentation. Built with Node.js, Express 5, SQLite, and Nodemailer.

IMS Subscriber Provisioning Engine - 3GPP-compliant IMS subscriber lifecycle management with Diameter Cx/Sh HSS integration and Initial Filter Criteria engine

Open-source waitlist management platform — collect signups, send emails, track growth. Single binary