Three years ago I switched from Windows to Arch Linux. The one Windows feature I actually missed was PowerToys Quick Accent — hold a letter, tap space, get the accent. The Linux alternatives didn't fit. I touch type, so anything that breaks rhythm hurts: So I built schnelle-umlaute — a Fcitx5 input method addon. Hold + space, get the accent. Any Unicode character is mappable. Native X11 and Wayland, no clipboard interference. Available on the AUR, source install for other distros — setup in the README. Templates let you quickly answer FAQs or store snippets for re-use. as well , this person and/or - Compose key — three keystrokes per character. Slow.- Dead keys — require a keyboard layout change.- Clipboard-based tools — overwrite the clipboard. Dead on arrival if you copy code.