Here is an interesting ‘open source’ project based on visualization and charting.
https://grafana.com/
Here is a demo in a foreign language but you should get an idea from this
Here is another true open source it is part of Apache. called SuperSet.
https://superset.apache.org/
Thanks to regular Telegram contact of mine.
Preserve your wealth by watching this
https://quantlabs.net/banking/
NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!