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Open source

Explore 110 projects in the Open source category of the Civic Tech Field Guide.

A hub for open source software and AI resources in our collection.

See also:

  • All open source tools in the Civic Tech Field Guide (To filter the entire collection for open source code, just use the Open Source search filter in the directory.)
110 projects
https://www.softwareheritage.org/Active

Software Heritage

Software Heritage preserves software source code for present and future generations.

Paris
Adjacent Fields, Archives, Civic data, Foundational layers, General purpose open source tools, Open knowledge, Open science, Open source, Open source supply chain, The Tech
https://betanyc.github.io/mta-mcp/ActiveOpen-source

BetaNYC's mta-mcp

mta-mcp is an open-source MCP server from BetaNYC that lets an AI assistant answer one narrow NYC-transit question well, is the subway line you're recommending disrupted at a specific station on a specific future date, plus elevator/ADA status, drawing on the MTA's open service-alert feeds.

New York City
2026
Adjacent Fields, Agentic AI, Artificial Intelligence (AI), Assistive and Accessible Tech, Communicating with the people, Emerging tech, Foundational layers, Govtech, Model Context Protocol (MCP), Open source, Service alerts, The Tech
https://github.com/Civilization-Leap/computable-cooperation-mechanismsActiveOpen-source

Computable Competition–Cooperation Mechanisms

An open-source reference implementation for making declared multi-actor constraints explicit, reproducible, and challengeable across competition and cooperation scenarios.

Adjacent Fields, Collective intelligence, Foundational layers, Open source, Participatory democracy, The Tech
https://openai.com/daybreakActive

Daybreak for Frontline Defenders

Daybreak for Frontline Defenders is OpenAI's $1B initiative subsidizing AI cyber-defense tools, training, and support for under-resourced defenders of essential services, water, power, local government, community banks, with a US public-sector pilot via MS-ISAC.

2026
Adjacent Fields, Artificial Intelligence (AI), Cybersecurity, Digital security and privacy, Emerging tech, Foundational layers, Foundation initiatives, Get funding, Govtech, Open source, Open source supply chain, The People, The Tech
https://abigailhaddad.github.io/generic-comment-analyzerActiveOpen-source

generic-comment-analyzer

A regulation-agnostic pipeline for analyzing public comments on U.S. federal regulations (regulations.gov).

2026
Natural Language Processing, Open source, Public records, Regulation
https://app.greenearth.socialActive

GreenEarth Observability

GreenEarth is an open-source project building alternative social-media feeds for Bluesky/ATProto that rank posts not just by predicted "likes" but by a constructiveness score, with a full transparency panel showing why you're seeing each post and controls to tune the algorithm yourself.

2026
Filter bubble poppers, Open source, Social media
https://developers.italia.itActiveOpen-source

Developers Italia

Developers Italia è il progetto pubblico che promuove un modo condiviso di pensare, costruire e far evolvere il software della Pubblica Amministrazione

Building inside government, Digital transformation, Government Interoperability, Open source
https://hpd-lookup.howellandgibbs.comActiveOpen-source

hpd-lookup

An open-source parser and web component that turns NYC HPD housing violation records into plain English.

New York City
Civic data, Open civic data, Open source
https://www.imio.beActiveOpen-source

Intercommunale de Mutualisation Informatique et Organisationnelle

iMio est une intercommunale qui offre à ses membres une gamme de produits et services IT de qualité, innovants et flexibles grâce à la mutualisation des moyens et le partage des ressources.

Isnes, Belgium (België / Belgique / Belgien) 🇧🇪
Digital transformation, Internal government tech capacity, Open source, State and regional government technology