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#vector-database

Open source repositories tagged with #vector-database, ranked by health score.

doobidoo
doobidoo/mcp-memory-service
Python
90
health

Open-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation.

1.9k
xerj-org
xerj-org/xerj
Rust
89
health

XERJ is the new way for AI to search data. Its autoindex capability activates agents to know your data without the token waste of grep and sed. One command indexes code, docs, logs and PDFs for search, RAG, security audits and agent memory, using 40x fewer tokens than grep. Elasticsearch compatible, so existing clients just work.

1.6k
oceanbase
oceanbase/oceanbase
C++
89
health

The Fastest Distributed Database for Transactional, Analytical, and AI Workloads.

10.3k
SeekStorm
SeekStorm/SeekStorm
Rust
88
health

SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.

1.9k
lancedb
lancedb/lancedb
Rust
88
health

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

11.2k
paradedb
paradedb/paradedb
Rust
88
health

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

9.2k
vespa-engine
vespa-engine/vespa
Java
88
health

The AI search platform

7.1k
christopherkarani
christopherkarani/Wax
Swift
88
health

Shared Single-file memory layer for all your agents, sub mili-second RAG over text, photo and video on Apple Silicon.. No Server. No API. One File. Pure Swift

786
topoteretes
topoteretes/cognee
Python
88
health

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

30.2k
ArcadeData
ArcadeData/arcadedb
Java
87
health

ArcadeDB 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.

1.1k
in-c0
in-c0/updAPI
JavaScript
60
health

Free, open-source collection of latest public API documentations - Update LLM's knowledge base with the latest API doc, policies, and community resources for enhanced context awareness (Note: The website is just a demonstration of what is possible with this open-source project. yet)

24