Electronic Frontier Foundation - EFF homepage - non-profit digital rights group

Free Software Foundation - FSF homepage, great resource to get to know Free/Libre Software and its importance

Privacy Guides - useful information about digital privacy including software recommendations and tips

GnuPG - encryption software suite using the OpenPGP standard

Invidious - privacy focused open software alternative front-end to YouTube

Odysee - video-sharing website that uses the decentralized LBRY network

Password Store - simple and extensible password manager

Sfeed - Simple CLI RSS/Atom feed reader

Signal - encrypted instant messaging service

Suckless - software with a focus on simplicity, clarity, and frugality

Vim - highly customizable and efficient text editor