SQLite for analytics — OLAP in-process
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DuckDB is listed in databases because it competes on utility: sqlite for analytics — olap in-process. It's stewarded by a non-profit or foundation, which structurally protects it from acquisition-driven enshittification. Licensed MIT; pricing: free. Technically it's lean — it runs comfortably on modest hardware, which is exactly the proof-of-work efficiency we rank for. This entry is provisional — the scores are seeded estimates pending our full manual rubric pass, and the verification date will appear here once complete.
Spotted a problem — trackers added, dark patterns, abandonment? Report a violation. Scores change when evidence does.