I found Peter Hahn's site recently. Lotta of free studies/indicators for TOS as well as some that are paid for. Particularly like his Multitimeframe (MTF) MACD for starters and best yet it is free. Here is a video and his website. Hope to see more from him in the future.

https://www.hahn-tech.com/

I found Peter to prefer simplified indicators, nothing too complex. I cannot say anything about his rates as I have not used him to program. What little conversation we had he seemed like an honest and decent chap. On the other hand Josiah is willing to work with complex conversions and projects at reasonable rates.
Here is a link to his site: https://easycators.com/
All the Best.

one more site https://sites.google.com/site/prospectus/welcome/released-thinkscript-studies

I already posted this, but not in thinscript section

I have a question as part of custom reversal indicator, how to program in thinkscript "setup condition"-meaning that based on set of conditions high or low would be designated a support/resistance and then I guess by using a lookback period one can mark breakout if close[0] ><support/resistance. So say 10 days ago setup condition was true and price was in tight range after and today close>high[10]? So every close must be compared to setup values. I am sure somebody already done this, please point to example. Thank you !

Cabalab 

I found Peter Hahn's site recently. Lotta of free studies/indicators for TOS as well as some that are paid for. Particularly like his Multitimeframe (MTF) MACD for starters and best yet it is free. Here is a video and his website. Hope to see more from him in the future. https://www.hahn-tech.com/

if you like his stuffs, please help him out
https://www.gofundme.com:443/pete-hahn-2019-medical-expenses