I'm not really a fan of indicators, but more of price action. Sometimes I use 'Ichimoku', although I'm not really experienced with it and still have a long way to learn it. OBV (On-Balance-Volume) is also a nice indicator I use from time to time.
I use Tradingview and it completely suites my needs. Fast, multi-platform (even mobile), you can implement your own indicators/scripts, server-side alerts, etc.
I'm a novice trader and technical analysis active learner. I got into T2W to gain knowledge of anything related to the markets, technical analysis and even fundamental analysis.
I'm also a cryptocurrency enthusiast, so you might see me hanging around that subforum.
This is the all-time Bitcoin hashrate/hash power used:
and this is in the last year:
So nope, it's not declining in popularity. For sure everyone outside of the crypto-world will say so, since it's in a bear market at the moment.