MQTT on Pulsar implemented using Pulsar Protocol Handler

URLProtocolView is a simple Windows utility application that displays all URL protocols that are currently installed on your system.

Electron runtime layer providing protocol-based separation, component assembly, and capability-based process control.

A Visual Studio sample

A Windows desktop app that routes protocol links (e.g. tel:) to configurable apps/URLs using rules and fallbacks.

Node library for creating custom protocol resolver; can be used as Express middleware.

Enhanced grep with aligned results, clickable links, and syntax highlighting

"data" URL scheme (RFC 2397) Java handler

Privacy-first Windows browser launcher and URL opener with per-domain browser rules. No telemetry.

Customize the protocol prefix for VSCode Marketplace install buttons (e.g., vscode, antigravity, windsurf, cursor, etc.)

Video player launcher via custom protocol handler (Mac & Windows supported)

Script to install a custom protocol scheme and its handler for opening local files

Firefox addon that adds ProtonMail as an option for handling email links.

A script on Windows that sets itself as a default browser and redirects the link protocol handlers HTTP, HTTPS, and FTP for opening links in different browsers with custom arguments.

Thread-safe gateway core for dispatching exchange connections via protocol-specific handler factories. Built for simulation, extensibility, and backend clarity.

Automatically open browser links in incognito/private mode. A lightweight Windows system tray utility.

PWA to APK and back

A minimal, production-ready Angular PWA that installs as a desktop app — with install prompts, install state detection, and custom protocol handler support for cross-app launching.