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Repositories in this selection 12 · UTC 2026-11-05
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1—Qqdrant / qdrantQdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/RustApache-2.0 · PermissiveInsufficient rank history35,3892,793——2026-11-02
2—Ttypesense / typesenseOpen Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiencesC++GPL-3.0 · Share derivative sourceInsufficient rank history27,0761,024——2026-10-30
3—Wweaviate / weaviateWeaviate 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.GoNOASSERTION · Restricted / unknownInsufficient rank history16,9341,433——2026-11-02
4—Aalibaba / zvecA lightweight, lightning-fast, in-process vector databaseC++Apache-2.0 · PermissiveInsufficient rank history16,1761,015——2026-11-02
5—Llancedb / lancedbDeveloper-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.RustApache-2.0 · PermissiveInsufficient rank history11,8311,150——2026-11-02
6—Pparadedb / paradedbOne Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.RustAGPL-3.0 · Share derivative sourceInsufficient rank history9,473496——2026-11-02
7—Zzilliztech / GPTCacheSemantic cache for LLMs. Fully integrated with LangChain and llama_index.PythonMIT · PermissiveInsufficient rank history8,220603——2026-09-22
8—Ffeyninc / chonkie🦛 CHONK docs with Chonkie ✨ — The lightweight ingestion library for fast, efficient and robust RAG pipelinesPythonMIT · PermissiveInsufficient rank history4,819368——2026-10-31
9—Uunum-cloud / USearchFast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍C++Apache-2.0 · PermissiveInsufficient rank history4,368370——2026-10-31
10—AArcadeData / arcadedbArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.JavaApache-2.0 · PermissiveInsufficient rank history1,230163——2026-11-02
11—Hhhblaze / DBreezeC# .NET NOSQL ( key value, object store embedded TextSearch SemanticSearch Vector layer ) ACID multi-paradigm database management system.C#BSD-2-Clause · PermissiveInsufficient rank history58262——2026-10-31
12—TTorchDR / TorchDRTorchDR - PyTorch Dimensionality ReductionPythonBSD-3-Clause · PermissiveInsufficient rank history21717——2026-10-27
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