There are thirty-three open source projects dedicated to social change and improving lives, many of which have various open issues and can count towards the four pull requests required for the Hacktoberfest challenge. These projects span across multiple technologies including Python, NVDA, CommCare, Trends.earth, InaSAFE, Code.org, Consul, Stethoscope, Primero, REFUGE, UNEP-GRID MapX, PEcAn Project, SignDict, Kolibri, Terrastories, Global Forest Watch, Community Health Toolkit, Mifos Community App, Sahana Eden, OptiKey, Shadowsocks Windows, EnergyPlus, OBS Studio, Open Machine Learning, LibreHealth EHR, Moodle, Openapi Generator, WHO App, Rainforest Connection Guardian, The Guardian Project - Haven, Jupyter Notebook, Child Growth Monitor, and AutoFocus. Many of these projects have contributor opportunities for those with various skillsets and technologies including Python, JavaScript, C, C++, Ruby, HTML, Elixir, PHP, Java, C#, .NET, and more. These projects aim to make a positive impact in areas such as healthcare, education, environmental conservation, and social justice.