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README.md

@@ -158,3 +158,33 @@ Others have created handy Rough Notation wrappers for multiple libraries and fra
 -   [Vue Rough Notation](https://github.com/Leecason/vue-rough-notation)
 -   [Web Component Rough Notation](https://github.com/Matsuuu/vanilla-rough-notation)
 -   [Angular Rough Notation](https://github.com/mikyaj/ngx-rough-notation)
+
+## Contributors
+
+### Code Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="https://github.com/undefined/undefined/graphs/contributors"><img src="https://opencollective.com/rough/contributors.svg?width=890&button=false" /></a>
+
+### Financial Contributors
+
+Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/rough/contribute)]
+
+#### Individuals
+
+<a href="https://opencollective.com/rough"><img src="https://opencollective.com/rough/individuals.svg?width=890"></a>
+
+#### Organizations
+
+Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/rough/contribute)]
+
+<a href="https://opencollective.com/rough/organization/0/website"><img src="https://opencollective.com/rough/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/1/website"><img src="https://opencollective.com/rough/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/2/website"><img src="https://opencollective.com/rough/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/3/website"><img src="https://opencollective.com/rough/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/4/website"><img src="https://opencollective.com/rough/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/5/website"><img src="https://opencollective.com/rough/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/6/website"><img src="https://opencollective.com/rough/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/7/website"><img src="https://opencollective.com/rough/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/8/website"><img src="https://opencollective.com/rough/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/rough/organization/9/website"><img src="https://opencollective.com/rough/organization/9/avatar.svg"></a>