Alternatives to Airweave

Milvus is an open-source vector database for billion-scale similarity search, hybrid retrieval, and lake-native RAG workloads

Mem0 is an AI memory layer that gives agents and apps persistent context across sessions

pgvector brings open-source vector similarity search to Postgres so embeddings live next to your relational data.

Vespa AI is an open-source AI search platform for hybrid vector, text and structured retrieval with ML ranking in one query pass.

Open-source Python framework that incrementally keeps AI agent context fresh by reprocessing only changed data.

Open-source in-process vector database from Alibaba — install one Python package, query millions of vectors in seconds.

Open-source RAG engine with built-in ETL, hybrid vector/BM25 search and visual agent orchestration for enterprise AI agents.

Granica is an efficiency layer for enterprise AI that cuts data lake storage costs and keeps long-running agent state alive.

Vespa is an open-source AI search platform for hybrid vector, text, and tensor retrieval with machine-learned ranking.

Databend is an open-source, cloud-native data warehouse in Rust that runs BI analytics, vector search, full-text search and geospatial on

InterLock is a proxy that authorizes, redacts, and audits every request your AI agents make to production databases, files, and APIs.

Local-first agent memory and secrets layer that gives Claude Code, Codex, and OpenCode one shared context on your own machine.

Unified AI data platform for ETL, RAG, and natural-language analytics — currently unavailable due to expired domain.

AI-native graph database running vector similarity and OpenCypher traversal in one query for GraphRAG pipelines.

LitePali is a small open-source Python library for image-based document retrieval built on the ColPali architecture.

TopK is a unified retrieval engine that runs multi-vector, dense, sparse, regex, and metadata-filtered search in one query, billed per unit of usage.

Pinecone is a managed vector database and knowledge engine for RAG, semantic search, and agent retrieval.

Open-source Microsoft Research RAG that builds a knowledge graph and community summaries from your documents, then queries them in four modes.

LanceDB is an open-source multimodal lakehouse that keeps curation, feature engineering, hybrid search, and training on one Lance table.

TiDB is a distributed SQL database for AI agents that unifies ACID transactions, HTAP analytics, and native vector search in one engine.

Apache Doris unifies OLAP analytics, full-text search, and vector search in one open-source SQL engine.

Zilliz Cloud Serverless is a managed serverless vector database on Milvus, with auto-scaling compute and tiered storage for GenAI apps.

Open-source local-first AI memory that stores every conversation verbatim in a method-of-loci palace on your machine.

Open-source CLI that turns 18 source types into AI skills and RAG knowledge for 22 AI platforms.

Open-source, self-hosted memory layer that gives AI agents persistent recall via hybrid retrieval.

Open-source Rust library for building streaming, parallel LLM pipelines — data indexing, retrieval-augmented generation, and autonomous agents.

Knowhere parses PDFs, spreadsheets, slides, and scans into source-linked structured JSON your agents can cite and verify.

Xberg is an open-source content intelligence engine that extracts 107 document, web, code, image and audio formats into clean Markdown,

Hyper is a self-driving company brain that learns your team's chats, emails, DMs, and docs to give AI agents shared context.

Deeplake is a GPU-native database and memory layer for AI agent workloads, built by Activeloop.