All collections

Memory & RAG systems

Vector DBs, memory layers, retrieval

The infrastructure that gives LLMs persistent memory and access to real data. Production-grade systems with active development and technical depth.

10 projects68 good first issues34 help wanted

milvus

milvus-io/milvus
Memory & RAG

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

44k 3.9kGotoday
27 good first22 help wanted

lancedb

lancedb/lancedb
Memory & RAG

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

9.8k 826Rusttoday
23 good first8 help wanted

chroma

chroma-core/chroma
Memory & RAG

Data infrastructure for AI

27k 2.2kPythontoday
11 good first

qdrant

qdrant/qdrant
Memory & RAG

Qdrant - 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/

30k 2.2kRusttoday
4 good first4 help wanted

ragas

vibrantlabsai/ragas
Memory & RAG

Supercharge Your LLM Application Evaluations 🚀

13k 1.3kPython1mo ago
2 good first

unstructured

Unstructured-IO/unstructured
Memory & RAG

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.

14k 1.2kPythontoday
1 good first

mem0

mem0ai/mem0
Memory & RAG

Universal memory layer for AI Agents

52k 5.9kPythontoday
No open beginner issues

letta

letta-ai/letta
Memory & RAG

Letta is the platform for building stateful agents: AI with advanced memory that can learn and self-improve over time.

22k 2.3kPythonyesterday
No open beginner issues

weaviate

weaviate/weaviate
Memory & RAG

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​.

16k 1.2kGotoday
No open beginner issues

zep

getzep/zep
Memory & RAG

Zep | Examples, Integrations, & More

4.4k 601Gotoday
No open beginner issues