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Directory
Results for “metadata tool”
4 tools in the directory · Updated
2 Nov 2026
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“metadata tool”
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Tool
What it does
Price
PaperQA2
by
FutureHouse
Open-source RAG library for answering questions from scientific PDFs with citations
Free
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pgvectorscale
by
Timescale
Open-source PostgreSQL extension adding disk-based vector search to pgvector
Free
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Kubeflow
by
Kubeflow
Open source Kubernetes-native platform for AI and ML workloads
Free
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Chroma
by
Chroma
Open-source search infrastructure for AI apps, with the managed Cloud service being wound down
Freemium
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That’s all 4 tools.