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+# Contributing to Invoice Ninja
+
+We welcome contributions! We'll improve this guide over time...
+
+*Please note: although our application is open-source we run a for-profit hosted service at [invoiceninja.com](https://www.invoiceninja.com).*
+
+Guidelines
+- Please try to follow [PSR-2 guidlines](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)
+- Add translations in our [Transifex](https://www.transifex.com/invoice-ninja/) project