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Recently updated posts

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


How AI Agents Use MCP Servers to Replace Human Workforce

AI Agents MCP Automation

Discover how AI agents leverage Model Context Protocol (MCP) servers to automate complex workflows, integrate with enterprise systems, and transform traditional job roles across industries.

Catch Signup Fraud in Local Dev, Before It Ships

OTP Authentication Webhook Testing

A working OTP flow proves your app sends and checks a code. It doesn't prove your signup holds up against bots. Here's how to test auth for fraud resistance locally with a Pinggy tunnel.

TLS vs mTLS: Differences, Use Cases, and Implementation Guide

TLS Cybersecurity Web Security

Transport Layer Security ensures secure communication by encrypting data and verifying the server’s identity through its certificate, while the client remains unauthenticated. Mutual TLS adds an extra layer of security by enabling two-way authentication, where both the client and server verify each other’s certificates. This makes mTLS ideal for high-trust use cases like secure APIs and microservices, whereas TLS is sufficient for general web applications.

Best AI LLM Routers and OpenRouter Alternatives in 2026

LLM Router AI Gateway OpenRouter

Compare the best AI LLM routers and OpenRouter alternatives in 2026, including OpenRouter, ngrok AI Gateway, TrueFoundry, Portkey, LiteLLM, Cloudflare AI Gateway, and Vercel AI Gateway.

Webhook vs API: Differences and When to Use What?

Guide Webhooks API

Understand the key differences between webhooks and APIs, their use cases, and when to choose each for your application. Complete guide with examples and best practices.

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.