If you are looking for here are the best options available depending on whether you want to type phonetically (Manglish) or use a standard keyboard layout. 1. Google Input Tools (Best for Beginners)
Available as a Windows offline installer (older versions), a Chrome Extension, and built into Android (Gboard). 2. Microsoft Indic Language Input Tool Easy Malayalam Typing Software
Keyman is a versatile, free, and open-source keyboarding solution that allows you to install specific Malayalam "packages." If you are looking for here are the
This is widely considered the easiest software for most users. It uses , meaning you type Malayalam words using English letters (e.g., typing "namaskaram" gives you "നമസ്കാരം"). a Chrome Extension