Important Free Software
Syncthing
Discussed here
timeshift
Discussed here
Donation link available at bottom of the developer’s website
Thunderbird
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
Simple Mobile Tools Suite
FreeTube
promotes non-free services and products
Donation link given at bottom of homepage
Signal
end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure
newpipe
promotes non-free services and products
yt-dlp
promotes non-free services and products
neovim
KDE compilation
archlinux
Other Important Copyleft/Free Software
libreoffice
gimp
kdenlive
krita
obs-studio
blender
ranger
Coreboot
Important People and Collectives
Internet Freedom Foundation-India
freecodecamp
GNU
FSF
EFF
SFC
The Python Software Foundation
Note-
Some privacy&security android apps listed here
Further Reading
Find free software! FSF-High Priority Projects