Free Scripture

Theravada -  https://www.dhammatalks.org/books/

Mahayana -  https://archive.org/details/in.ernet.dli.2015.279263

Vajrayana - https://84000.co

Buddhist Apps

Insight Timer - https://insighttimer.com

84000 - https://84000.co

Oniri (Lucid Dream App) -https://www.oniri.io

Learning Hubs

BuddhaNet - https://buddhanet.net

Tergar - https://tergar.org

Indo-Buddhist Heritage Forum -https://ibhforum.org

Online Forums

Online Forum -https://www.dharmawheel.net