You shouldn’t trust TurboTax so much.

https://www.washingtonpost.com/technology/2024/03/01/turbotax-privacy-tax-return-2024/

They also keep trying to trick you into giving consent:

https://www.moneytalksnews.com/are-turbotax-and-hr-block-sharing-your-personal-info/

They also lobby to keep taxes complex.

https://www.propublica.org/article/inside-turbotax-20-year-fight-to-stop-americans-from-filing-their-taxes-for-free

Threema bad:

https://www.schneier.com/blog/archives/2023/01/security-analysis-of-threema.html

Signal if you trust them to not leak your identifier and because its gotten the most mass adoption.

Simplex if you can convince your circle to use it because it has no identifiers and is user friendly.

https://simplex.chat/