Merge ee3a637e00 into 3739f70db6

README.md

@@ -253,6 +253,7 @@ Google captchas use cookies to track users and rank their IPs.
 
 <img width="16" src="misc/check.png"> </img>  **Instead use**
 - [hCaptcha](https://www.hcaptcha.com/) - Privacy-first CAPTCHA for web, mobile, and more.
+- [mCaptcha](http://mcaptcha.org/) ([repo](https://github.com/mCaptcha/mCaptcha)) - An open-source CAPTCHA system with seamless UX.  mCaptcha uses SHA256 based proof-of-work (PoW) to rate limit users.
 - [OOPSpam](https://www.oopspam.com/) - No-captcha, privacy-friendly anti-spam, anti-bot API. Requires no personal data for detection. Supports popular platforms like WordPress. Privacy commitment in their mission statement.
 
 ## Commenting Engines
@@ -644,6 +645,7 @@ With email aliases, you can finally create a different identity for each website
 - [Stremio](https://www.stremio.com/) - Stremio is a modern media center that's a one-stop solution for your video entertainment.
 
 #### Audio
+- [Muffon](https://muffon.netlify.app/) - Music player that lets you play music from almost all sources.          
 - [Funkwhale](https://funkwhale.audio/) - A social platform to enjoy and share music (SoundCloud alternative).
 - [Subsonic](https://www.subsonic.org/pages/index.jsp) - Your complete, personal music streamer.
 - [Ampache](https://ampache.org/) - A web based audio/video streaming application and file manager.