Inequality manifests across multiple, interconnected domains—income and wealth disparity, education and health access, digital exclusion, gender gaps, housing precarity, climate vulnerability, and uneven access to justice and infrastructure. The Nexus Ecosystem provides an open-source platform and an agile microproduction framework to address these systemic challenges. Through clearly scoped Quests, incentivized Bounties, and reusable Builds, governments, researchers, nonprofits, and enterprises can collaboratively develop, deploy, and iterate targeted interventions—from equitable tax modeling and algorithmic fairness tools to localized poverty-mapping dashboards and inclusive policy simulators. All tools are developed under rigorous RRI standards, ensuring ethical data use, transparency, and stakeholder inclusion. Whether addressing social assistance targeting, public service equity, or systemic discrimination, the Nexus Ecosystem empowers institutions and communities to translate inequality diagnostics into scalable, justice-centered actions