I think this one below is a great source to learn technical analysis.

- https://github.com/learn-crypto-trading/learn-crypto-trading.github.io


Technical analysis free tool

- https://cryptowat.ch/
- https://bitcoinwisdom.io/
- https://coinalyze.net/
- https://data.bitcoinity.org/markets/volume/30d?c=e&t=b

Visualized tools
- https://bitcoinal.com/
- https://coin360.com/
- https://www.bitcoinpricemap.com/

Train your self using this crypto trading simulator

- https://altcoinfantasy.com/
- https://bitsgap.com/demo-trading/
- https://coinmarketgame.com/

All of them you can use them for technical analysis always keep training.