In this category, I would include the following services:

  • - One-click technical analysis. There are all the necessary indicators for professional traders. There is a notification system. Chat The system of sharing ideas with other users.
    In general, if you are trading or going to - take it into service.
  • -  shows the difference in the price of cryptocurrencies for arbitration.
  • - A more advanced cryptocurrency price tracking website.
  • ...

I’ll bring some channels (bots) from Telegrams there:

If you have any other suggestions, write - Contacts.