Update README.md

added sites

README.md

@@ -122,9 +122,11 @@ them:
 - [JiYou](https://github.com/TimA314/JiYou) ![stars](https://img.shields.io/github/stars/TimA314/JiYou.svg?style=social) - A nostr PWA client with a highly customizable UI
   - [JiYou.social](https://JiYou.social) - live instance
 - [Lightning.Pub](https://github.com/shocknet/Lightning.Pub)![stars](https://img.shields.io/github/stars/shocknet/Lightning.Pub.svg?style=social) - A nostr daemon for Lightning nodes
+- [Listr](https://listr.lol/) - Curate, organize, and discover everything Nostr has to offer. Listr is the best way to create, manage, and browse Nostr lists.
 - [loquaz](https://github.com/emeceve/loquaz)![stars](https://img.shields.io/github/stars/emeceve/loquaz.svg?style=social) - a desktop app written in Rust for direct encrypted chat
 - [Member](https://github.com/memberapp/memberapp.github.io)![stars](https://img.shields.io/github/stars/memberapp/memberapp.github.io.svg?style=social) - Progressive Web App Client. Works on desktop and mobile.
   - [member.cash](https://member.cash/) - live instance
+- [Memestr](https://memestr.app/) - The Nostr hub for memes.
 - [MeShell](https://github.com/BEEBSDONE/MeShell_Nodejs)![stars](https://img.shields.io/github/stars/BEEBSDONE/MeShell_Nodejs.svg?style=social) - Web, iOS and Android blog type client destined to publish articles and researches for independent journalists.
   - [MeShell.io](https://meshell.io) - Landing page for more information
 - [Minds](https://www.minds.com/) - open source social network. Supports reading and creating posts using the Nostr protocol