Free, open-source Lightroom-style RAW editor for Linux, Android, Windows and macOS. GPU-accelerated, non-destructive, with masks, HDR merge and local AI. - Duecki1/CalibRaw
(Lemmy's automatic link summary)

After a five year pause I finally bought a camera again to take up photography again. Back then - which might have been even further back, my memory is a bit fuzzy - I frantically looked for alternatives to the Adobe ecosystem, which both requires a subscription with a monthly fee and comes we the typical app trackers.

CalibRaw, which I just discovered, seems awesome!

Canon FD  F/2.5  135.0mm  |  OM System OM-5  1/25s  ISO-200  

It asks for permissions to

• post notifications: easy to block if you prefer to. This is the only permission flagged as "dangerous" by Muntashir Al-Islam's AppManager.
• connect to the internet to check for updates: I block it with a root based firewall, but I guess you could block it with a hosts file or a firewall that uses your VPN slot too.