WindowTabs

WindowTabs offers a clean, browser-inspired way to manage desktop windows. This free and open-source utility works with almost any program on Windows: organize Explorer folders, Office documents, PDFs, WeChat chats, or editor files into tab groups. Easily drag tabs to merge windows or click to switch. Lightweight and requiring no installation, it runs portably to declutter your taskbar and accelerate multitasking—making window management as simple as browsing the web.