The [Hacktoberfest event](https://hacktoberfest.digitalocean.com/) has started - it allows you to contribute to Joplin and, at the end of the month, after having done 5 PR, you'll earn a limited edition T-shirt.
To participate, go on [https://hacktoberfest.digitalocean.com/](https://hacktoberfest.digitalocean.com/) log in (with you github account) and you are ready to get in.