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Guides, news, and reviews about VPN technologies. Security, privacy, setting up WireGuard, and choosing a protocol.

FlClashX in 2026: Setup on Android, Windows, macOS, and Linux
Guides

FlClashX in 2026: Setup on Android, Windows, macOS, and Linux

How to add a subscription to FlClashX, which builds ship for which systems, and why no version for iPhone or iPad exists at all.

8 min read
Happ in 2026: Setting Up the VPN Client on iPhone, Android, and Desktop
Guides

Happ in 2026: Setting Up the VPN Client on iPhone, Android, and Desktop

What Happ is, which devices it runs on, how to add a subscription by link or QR code, and the name it goes by in the Russian App Store.

9 min read
Hiddify in 2026: Setup and What You Give Up
Guides

Hiddify in 2026: Setup and What You Give Up

How to add a subscription to Hiddify, which devices it runs on, why it is absent from the Russian App Store, and what it throws away from the config it is sent.

9 min read
What Is an IDE? A Plain-English Guide
Guides

What Is an IDE? A Plain-English Guide

An IDE is the development environment where programmers write, run, and debug code. We break down what an IDE is made of, how it differs from a code editor, and how to choose the right one.

15 min read
What Is an API and How Does It Work? A Plain-English Guide
Guides

What Is an API and How Does It Work? A Plain-English Guide

An API is how websites, apps, and services exchange data. We break down how requests, responses, access keys, and the most common types of API actually work.

10 min read
What Is ChatGPT and How Does It Work? A Plain-English Guide
Guides

What Is ChatGPT and How Does It Work? A Plain-English Guide

ChatGPT is an AI chatbot from OpenAI that answers questions, writes text, and helps with code. We break down how it works, what it can do, where it gets things wrong, and how to use it.

8 min read
What Is Claude by Anthropic — and the New Fable Model?
Guides

What Is Claude by Anthropic — and the New Fable Model?

Claude is an AI assistant from Anthropic and a leading rival to ChatGPT. We break down the Haiku, Sonnet, Opus, and new Fable models, what Claude is good at, and how to reach it.

6 min read
What Is Claude Code and How Does It Help Developers?
Guides

What Is Claude Code and How Does It Help Developers?

Claude Code is an AI agent from Anthropic that writes and edits code right inside your project. We break down how it differs from a chatbot and from autocomplete, what it can do, and how to start.

6 min read
What Is a CLI and the Command Line? How It Works
Guides

What Is a CLI and the Command Line? How It Works

A CLI is a text-based way to control your computer and server with commands. We cover how the command line differs from a terminal and a shell, how commands run, and where beginners should start.

15 min read
What Is Dynamic DNS (DDNS) and How Does It Work?
Guides

What Is Dynamic DNS (DDNS) and How Does It Work?

Dynamic DNS lets you reach devices and home services at a fixed address even when your public IP keeps changing. We break down how DDNS works, where you need it, and how to set it up.

14 min read
What Is KVM and How Does KVM Virtualization Work?
Guides

What Is KVM and How Does KVM Virtualization Work?

KVM is the Linux virtualization technology that powers many VPS servers. We break down how KVM works, how it differs from containers, and what a KVM VPS means for you.

12 min read
What Is a VPS Server and How Does a Virtual Private Server Work?
Guides

What Is a VPS Server and How Does a Virtual Private Server Work?

A VPS is a virtual server with dedicated resources and full control over its configuration. We break down how it works, how it differs from shared hosting, and how to choose the right VPS.

12 min read