Watch & Learn
Access past talks, recordings, speaker slides, and event recaps.
Watch videos →Practical green software for students, engineers, founders, researchers, and partners building around impact.
A local community exploring sustainable software, responsible engineering, and practical pathways to build systems that are reliable, useful, and aligned with long-term impact.
Part of the Green Software Foundation Meetup Community · Supported by Data Immigrant Kft.
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Access past talks, recordings, speaker slides, and event recaps.
Watch videos →Meet students, engineers, founders, researchers, and partners building around impact.
Join Meetup →Explore open-source starter resources, projects, and practical build pathways.
Follow GitHub →Latest recap
The next cycle turns community learning into practical open-source work. Europe is placing renewed emphasis on open and interoperable digital ecosystems; our local response is to prepare students and builders to contribute reusable, responsible software in public-interest areas.
The shared challenge is not that one community will solve the transition alone. It is that the transition needs more people who can translate ideas into reliable systems, open tools, clear documentation, and practical prototypes others can learn from.
The call to action: learn in public, build responsibly, document clearly, and make useful work easier for others to reuse.
Context: EU Open Source Strategy · European Commission open digital ecosystems update
October · Open Source Month
Applications, challenge briefs, team formation, mentorship, submissions, demos, and post-event incubation pathways will be organized through the Knowledge Hub.
The idea
Green software is the practice of designing, building, and operating software with awareness of energy, carbon, infrastructure, hardware, cost, reliability, access, and long-term impact.
Build systems that use less energy to deliver useful outcomes.
Understand when and where software runs, and how energy sources affect impact.
Use devices, servers, and infrastructure responsibly across their full lifecycle.
Free course
A practical introductory course for software practitioners who want to understand the foundations of building, maintaining, and running greener applications.
Impact direction
The goal is to help students and early-career builders develop a wider professional toolkit before they enter the field: software engineering, open-source practice, sustainability literacy, systems thinking, documentation, communication, and responsible product judgement.
We participate in bringing solutions forward by turning events into learning records, open challenges, practical builds, and professional pathways. Budapest is the starting node: a local place to learn, meet, test, document, and connect before ideas travel outward.
Workforce context: LinkedIn’s green skills research notes that demand for green talent has been rising faster than supply, making practical education and early access increasingly important.
Read the green skills research →Regenerative agriculture, food systems, label literacy, field evidence, and supply-chain trust.
Carbon-aware computing, grid awareness, energy management, and software efficiency.
AI water footprint awareness, data infrastructure, and resource-sensitive design.
Open, interoperable systems, civic technology, procurement literacy, and public-interest software.
Efficient routing, lifecycle data, resilient infrastructure, and lower-waste operations.
Repair, reuse, product data, hardware lifetime, and less extractive digital habits.
Knowledge Hub
The Knowledge Hub keeps event recaps, slides, links, and next-step pathways together so students can keep learning after each session.
From events to action
In October 2025, Data Immigrant helped organize the Kaggle Community Olympiad — HACK4EARTH Green AI Challenge, a month-long open-source challenge exploring how AI can be created and used with greater environmental care.
The challenge turned community learning into submissions, demos, and practical solution-building. The next step is to use the Knowledge Hub to prepare students earlier, coordinate teams better, and connect promising work to incubation and internship pathways.
Partners & supporters
Our work grows through local venues, engineering teams, learning partners, and wider communities supporting sustainable software, student pathways, and responsible technology practice.





Help fund student sessions, learning materials, event recordings, mentorship, and build labs.