sanskrit

1. lexilogos : https://www.lexilogos.com/keyboard/sanskrit_latin.htm

2. monier - williams sanskrit - english dictionary :

https://www.sanskrit-lexicon.uni-koeln.de/scans/MWScan/2014/web/webtc2/index.php 

3. sanskrit dictionary : https://www.sanskritdictionary.com/

4. inflected forms : https://www.sanskrit-lexicon.uni-koeln.de/scans/csl-inflect/web/index.php

5. internet archive : https://archive.org/

6. indus net : https://www.inbuds.net/jpn/

7. buddhism library of buddhist studies : https://buddhism.lib.ntu.edu.tw/jp/index.jsp

8. digital dictionary of buddhism : http://www.buddhism-dict.net/ddb/

9. pdf drive : https://www.pdfdrive.com/