This other website showcases a few:
Cross-platform Bengali-Assamese input
Bengali-Assamese input in Unix
<img src=”https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTGaZcnpY-uUaKIsqi6TgJVLPcwt8x_40zR5WFx9pTpSw&s” width: 30px; object-fit: cover;”>-based Indic scripts typesetting and printing
beamer color theme
