Update README.md

README.md

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 - [blastr](https://github.com/MutinyWallet/blastr)![stars](https://img.shields.io/github/stars/MutinyWallet/blastr?style=social) - A nostr cloudflare workers proxy relay that publishes to all known relays.
 - [blogsync](https://github.com/canostrical/blogsync)![stars](https://img.shields.io/github/stars/canostrical/blogsync.svg?style=social) - Self-host blog articles from long-form notes e.g. via Caddy server.
 - [cafe-society.news](https://github.com/colealbon/cafe-society)![stars](https://img.shields.io/github/stars/colealbon/cafe-society.svg?style=social) - Self-sovereign machine learning training tool for nostr global feed.  Trained models can be monetized/distributed over nostr private messages.  Your pre-paid model subscribers register via lightning payments.
+- [contact cloud](https://github.com/canostrical/contact_cloud)![stars](https://img.shields.io/github/stars/canostrical/contact_cloud.svg?style=social) - Discover the Nostr contact list graph and your own pubkey in it. 
 - [git-nostr-tools](http://git.jb55.com/git-nostr-tools) - A cli tool for sending code patches over nostr
 - [git-nostr](https://github.com/colealbon/git-nostr)![stars](https://img.shields.io/github/stars/colealbon/git-nostr.svg?style=social) - A tool to enhance git cli with nostr communications. Publish patch content, prs, repo name, issues, etc to nostr relay.
 - [heyxynip5](https://github.com/bennyhodl/hexynip5)![stars](https://img.shields.io/github/stars/bennyhodl/hexynip5?style=social) - A CLI helper for converting nostr npub/nsec to their hex format for NIP-05 verification.