Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Linux
- BSD
- MacPorts
- XQuartz
- GNOME


Holdkey is described as 'Windows program that makes it easy to type characters with accents' and is an app. There are more than 10 alternatives to Holdkey for a variety of platforms, including Windows, Mac, Web-based, iPhone and BSD apps. The best Holdkey alternative is WinCompose, which is both free and Open Source. Other great apps like Holdkey are Rocket, BabelMap, Retro Typer and Character Map.


WizKey makes it easy to type accented and other special Unicode characters using a standard US/UK keyboard with easy to remember keyboard shortcuts.


Extra Keys is a software input panel for typing international accented and other special characters.

Use Copy Paste Character to insert proper typographic characters, such as “quotation marks” and the interrobang ?, or simply use it to spice up your e-mail messages, tweets, or text messages with h?ppy faces, sn?wmen or ? arrows ?.