Warehouse powers the next-generation replacement for the Python Package Index -- basic Python community infrastructure.

The Electronic Frontier Foundation hired Changeset to help improve HTTPS Everywhere's project workflow for developers & maintainers and thus increase the project's sustainability and ability to onboard new maintainers (mailing list announcement).

Via the consulting firm Open Tech Strategies, and as part of Solution Guidance Corporation, Harihareswara improved infrastructure and documentation for the Provider Screening Module, a Java web application to help US states administer Medicaid.

In early 2016, Zulip's documentation was split among multiple README files and sub-sites, and Zulip had a small open source community. Harihareswara reorganized the documentation, wrote an architecture overview, and started a glossary.

Harihareswara ran a 2015 PyCon sprint that expedited the GNU Mailman 3.0 release; she prioritized tasks, advised UI decisions, tested the installer and recruited additional testers, and wrote documentation.

Harihareswara has presented, taught, and spoken at several OpenHatch events introducing new contributors to the open source software community.

As Senior Technical Writer, Harihareswara wrote MediaWiki's performance and architecture guidelines, revamped and ran its Requests for Comment process, and mentored an Outreachy intern focusing on auditing and improving API client libraries.

Harihareswara assessed the state of the codebase and the project's friendliness to new developers as of late 2013, producing a list of issues to fix.

The volunteers who develop a web application to manage the scifi convention WisCon had a jumble of bug reports and feature requests in BaseCamp, Google Code, old emails and text notes.