Update README.md

README.md

@@ -14,6 +14,7 @@ The cspell mono-repo, a spell checker for code.
 
 - Become a [<img src="https://github.githubassets.com/images/modules/site/icons/funding_platforms/patreon.svg" width="16" height="16" alt="Patreon">Patreon!](https://patreon.com/streetsidesoftware)
 - [Support through ![PayPal](https://raw.githubusercontent.com/streetsidesoftware/vscode-spell-checker/main/images/PayPal/paypal-logo-wide-18.png)](https://www.paypal.com/donate/?hosted_button_id=26LNBP2Q6MKCY)
+- [Open Collective](https://opencollective.com/cspell)
 
 ## Documentation