Pinggy Blog

Recently updated posts

The latest revisions across our writing on tunnels, networking, self-hosting, self-hosted LLMs, and AI - freshest updates first.


Top 5 Best Self-Hosted VPNs in 2026

VPN Self-Hosted WireGuard

Discover the best self-hosted VPN solutions in 2026. Compare WireGuard, AmneziaVPN, Headscale, NetBird, and WG-Easy for privacy, security, and performance.

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.

What Are Skills in AI Agents? Top 14 Skills You Must Know in 2026

AI Agents Agent Skills Claude Code

Discover what AI agent skills are, how they work, and the top 14 must-know skills for developers - including Grill Me, Caveman, TDD, and Graphify. Learn how to install and use skills in Claude Code, Cursor, Codex CLI, and other AI coding agents.

What Y Combinator Is Funding in 2026: A Data Breakdown of 208 Startups

Y Combinator YC Batch Startups

We pulled every company in YC's Summer 2026, Fall 2026, and Winter 2027 batches from the official directory and classified all 208 of them. Here are the real themes, the numbers behind them, and how they compare to YC's own Requests for Startups.

Inside Kitesurf: Cloudflare Built a Browser Engine Just for AI Agents

Cloudflare AI Agents

Cloudflare shipped Kitesurf, a browser engine written from scratch to run in V8 isolates on Workers instead of Chromium. Here's how it works, the real CPU and memory numbers, what it still can't do, and how to point it at an app running on your own machine.