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information-retrieval

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haystack

deepset-ai / haystack

Star 25.6k

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

python nlp agent machine-learning information-retrieval ai transformers orchestration pytorch gemini question-answering summarization agents semantic-search rag gpt-4 large-language-models llm generative-ai retrieval-augmented-generation
  • Updated Jun 17, 2026
  • MDX
weaviate

weaviate / weaviate

Star 16.3k

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

search-engine information-retrieval grpc nearest-neighbor-search semantic-search-engine image-search recommender-system vectors approximate-nearest-neighbor-search semantic-search similarity-search mlops hnsw weaviate vector-search vector-database neural-search vector-search-engine hybrid-search generative-search
  • Updated Jun 17, 2026
  • Go

Unstructured-IO / unstructured

Star 15k

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

nlp pdf machine-learning natural-language-processing information-retrieval ocr deep-learning ml docx preprocessing pdf-to-text data-pipelines donut document-image-processing document-parser pdf-to-json document-image-analysis llm document-parsing langchain
  • Updated Jun 15, 2026
  • HTML
StringZilla

ashvardanian / StringZilla

Star 3.5k

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

search hashing unicode parser information-retrieval string gpu hash edit-distance simd dataset levenshtein-distance string-manipulation sorting-algorithms substring string-matching string-search string-parsing
  • Updated Jun 17, 2026
  • C

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