DISCLAIMER : this isn't really an awesome list, I don't care about guidelines, rules and etc. so I don't bother make a real repo and a real pull request.
This list uses the power of my advanced Google Play search engine to get some free, in-app-free and ad-free apps from it.
DISCLAIMER : these 3 criteria are the only one I use, what I mean is open source, decentralization and retrocompatibility aren't important in this list.
However, I sort these apps according to my own user experience.
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Internet
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Multimedia
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Communication
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Tools
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Utilities
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Developers
- MiXplorer — Many many features, especially for geeks. 👍
- Cx — Supports internal, external, network (last SMB version included) and cloud.
Sorry I can't find any for now. You have one ? Please comment !
- Google port hub — These versions may include Night Sight, HDR10+ and etc. (model-specific features)
- Open
- Motorola
- Asus
- Cloud Innovation Studio Gallery — Dark theme, powerful image editor included
- AK Gallery
- BlueMail — Many compatible accounts, dark mode, advanced spam filtering, tasks & priority management
- Spark Mail
- Twitter
- Tui — Beta
- Tumblr
- Skype
- Disqus
- General
- GPS
- Microphone
- KeeWeb — Not native (webapp)
- KeePass DX — Beta
Having an advanced search engine doesn't mean everything, experience does. Feel free to suggest your favourite apps in comments 😉
I don't know of any for Android, but Audacity is FOSS but only for PCs but it can be used to make white noise that can be exported to MP3 and copied over to an Android device