Pinggy Blog

Tunnels, networking, self-hosted LLMs, and AI news

Hands-on guides, protocol deep dives, and field notes on tunnels, SSH, reverse proxies, self-hosting, self-hosted LLMs, and AI - from the people building Pinggy.


Student Developers Testing Mobile App Backends from Anywhere on Campus

Mobile App Development API Remote Access

How student developers can test a mobile app backend from any building on campus: local vs cloud vs hybrid setups, secure tunnels through campus Wi-Fi, a repeatable testing workflow, and the network, auth, and configuration bugs that only appear away from the lab.

Building High-Performance Cloud Foundations for Enterprise AI Solutions

Enterprise AI Cloud GPU

What enterprise AI actually demands from cloud infrastructure: GPU capacity and power draw, storage throughput that keeps accelerators fed, isolation for fine-tuning on proprietary data, latency that survives production, and a compliance posture that survives an audit.

Beginner Networking Concepts Every Student Developer Should Understand

Networking Guide Web Development

Networking basics for student developers: how IP addresses and ports work, what DNS actually does, TCP vs UDP, HTTP status codes and HTTPS, the client-server model, latency vs bandwidth, and the tools to reach for when a request fails.

Open-Source Calendly Alternatives You Can Self-Host in 2026

Scheduling Self-Hosted Open Source

Cal.com went closed source in April 2026. Here are the open-source, self-hostable Calendly alternatives that took its place - Cal.diy, Easy!Appointments, Tymeslot, Rallly and more - with licenses, versions, and a tested Docker plus Pinggy setup.

HTML over WebSockets: The Web's Quiet Move Back to the Server

WebSockets Web Development Developer Tools

LiveView, Hotwire, Datastar, and Blazor all push rendered HTML over a persistent connection instead of JSON. Here's why the pattern keeps resurfacing, what changed in 2026, and what it costs you when you test it.

Best Remote IoT Device Management Software in 2026: 5 Platforms Compared

IoT Device Management Remote Access

A technical comparison of remote IoT device management software in 2026: balenaCloud, AWS IoT Device Management, SocketXP, RemoteIoT and Dataplicity. Real pricing, agent architecture, NAT traversal, OTA updates and what each one gets wrong.