Developer Builds Open-Source GEO Tools List, Finds Many Popular Repos Lack Valid Licences

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A developer has published 'Awesome Open GEO', a curated list of 62 open-source tools for Generative Engine Optimization (GEO) — the practice of making content findable and citable by AI systems like ChatGPT and Perplexity. The list was compiled by querying GitHub with around 15 topic and keyword searches, yielding 603 repositories that were then filtered by licence, activity and relevance. Every included tool must be free to run and carry an OSI-approved licence, a criterion that excluded several widely-linked tools, including one repo with 534 stars that had no licence file at all. The author notes that a missing licence defaults to 'all rights reserved' under copyright law, making such tools legally unusable despite appearing open, and flagged that some repos labelled 'open source' in their own documentation carried licences that restrict competing use. The project aims to fill a gap left by existing GEO resource lists, which the author says skew heavily toward paid SaaS platforms.

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