Free/Libre software & apps

There are great open source software products but sometimes the available binaries include telemetry and tracking or other proprietary parts that work against its users interests, especially privacy.

Here are some awesome projects that try to deliver Free/Libre Open Source Software binary alternatives for popular software applications.

PC software

SoftwareAlternatives
Google ChromeChromium

Brave (Includes Tor out-of-the-box and is considered much more private, but it is up to the user to decide if they trust Brave Software Inc more than Google when using this browser. If you have any concerns it might be better to stick with Chromium.)
FirefoxLibreWolf
Visual Studio CodeVSCodium

Android apps

AppAlternatives
Google ChromeBromite
TwitterFritter
YouTubeNewPipe

Vanced App (discontinued, you might still be able to find apk mirrors though)
Other recommendationsUntrackMe (allows you to open up YouTube, Twitter, Instagram and Google Maps URLs in front-ends and services that respect your privacy)

Matrix (as an alternative for messaging apps like Facebook Messenger, WhatsApp, Telegram, Signal)