iTerm vs cmux vs tmux: Why That Question Is Backwards

Three-layer terminal stack diagram showing emulator, multiplexer, and AI agent runner categories.

Every few weeks, someone asks me which terminal they should switch to. The question usually arrives shaped like this: “iTerm or tmux or cmux or something else — which is best for a developer in 2026?” I’ve started giving the same annoying answer: the question is wrong. Not in a clever-internet-person way. Wrong in a …

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macOS Terminal Productivity: 6 Tools That Replace 30

macOS terminal with modern CLI tools for developer productivity

I spent three years tweaking my terminal. Custom oh-my-zsh theme. Fourteen plugins. A .zshrc file so long it took noticeable seconds to open a new tab. I’d invested so much time configuring that I convinced myself all of it was essential. Then one day I had to set up a fresh machine. And I realized: …

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Obsidian for Developers: Why I Chose It Over Notion and Never Looked Back

I once heard a developer say he lost thousands of notes overnight — not from a crash, but from a pricing change. The SaaS note app he’d been using for years moved his tier behind a paywall. He exported everything as HTML, but proprietary formatting doesn’t travel well. Half his notes were garbled. Internal links? …

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Compress PDFs on Mac Without Uploading Anywhere — A Privacy-First Guide

Last week I needed to email a signed contract — a 47MB PDF stuffed with scanned pages. My first instinct was to open SmallPDF. Then I stopped. This was a legal document with my name, address, and signature on every page. Why was I about to upload it to a server I don’t control? I’ve …

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맥에 Android File Transfer 설치하기 (feat. 크레마 터치에 밀리의 서재 설치)

다시 크레마 터치 전자책을 꺼내들었다. 크레마는 예스24에서 판매한 것인데, 요즘은 밀리의 서재를 읽고 있다. 밀리의 서재 apk 는 공홈에 나와 있으니 다운로드 받으면 되는데, 문제는. 크레마 터치 내장 웹이 자바스크립트를 제대로 해석하지 못해서, apk 다운로드 페이지가 제대로 안보인다. Send Anywhere가 기본으로 내장되어 있지만, apk 는 전송이 안된다. 결국 USB 에 연결해서 전송해야 되는데, USB에 연결을 …

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