If you care about data privacy: You may be interested in this organization dedicated to protecting digital human rights and promoting encryption: the Global Encryption Coalition. https://www.globalencryption.org/
This young organization was founded by Democracy & Technology, Global Partners Digital, and the Internet Society. They have been working tirelessly to resist those that undermine the security and privacy provided by end-to-end encryption, such as the United Kingdom’s Online Safety Bill and the Electronic Communication Law by the Turkish government.
On their website, you can stay informed about up-to-date news of encryption and join some joint statements to advocate for the widespread use of encryption.
They also list some excellent examples that adhere to encryption standards and actively protect user privacy, such as WireMin, Session, etc. PS: They are free to use. https://www.globalencryption.org/testimonials/
An add on: WireMin, Session and SimpleX.