- RedReader (Android)[1] - Website/F-Droid/PlayStore
- Stealth (Android)[2] - Website/F-Droid
- Infinity (Android)[3] - Website/F-Droid/PlayStore
- Dystopia (iOS)[1:1] - AppStore
- Luna (iOS)[1:2] - AppStore
- Narwhal (iOS)[3:1] - Website/AppStore
- Libreddit (web)[2:1] - Website/Instances
- Teddit (web)[2:2] - Website/Instances
If you are including apps that are switching to a paid subscription model, I believe Infinity is going that route.
Added
Maybe mark in some way which ones will require payment just for clarity?