Here's the go-to repository for the JIIT Open-Source Developers' Circle's Hacktoberfest 2019 Celebration!
Register yourselves at https://hacktoberfest.digitalocean.com/
...and start hacking!
Start off by making your first pull request here!
Branch out by sending in pull requests for resolving issues labelled as "Hacktoberfest" in the below listed repositories.
OR
Visit Hacktoberfest's website to discover new repositories to contribute to.
Want to start contributing to new projects? Check out new projects here