Welcome! Open source projects provide you with the means and mechanism to address inadequacies and improve a project. As a member of an open source community you are empowered to correct any deficiency in a project. If you identify a deficiency, the onus is on you to address it by making recommendations, writing up the issue(s) in Jira, creating a software fix, or correcting an error in the documentation.
Open source allow us to:
NCSA has supported a number of significant open source software efforts over its history and continues to do so to this day. At http://opensource.ncsa.illinois.edu you can access and if desired contribute to the current open source projects we are working on.