Memory Systems

haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications.

25K Stars
Apache-2.0 License
2.8K Forks
Open source
haystack 25K Stars · Apache-2.0 License · 2.8K Forks haystack.deepset.ai verified 2026-06-03
About

haystack overview

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.

Rag

haystack surfaces rag as a core capability in its published project metadata and source links.

This gives readers a starting point for evaluating whether the project fits their workflow before visiting the source repository or docs.

Memory

haystack surfaces memory as a core capability in its published project metadata and source links.

This gives readers a starting point for evaluating whether the project fits their workflow before visiting the source repository or docs.
Use cases

When to use haystack

Personal memory

Use it as a candidate for personal memory when the project facts, license, and official links match your deployment requirements.

Compare

How it compares

When to choose haystack

Compare it with nearby memory systems by looking at hosting model, integration surface, license, and whether the official docs show the workflow you need.

FAQ

Questions

What should I check before using haystack?

Store a small changing knowledge set, ask repeated-session questions, then inspect what was retrieved and why.

Is haystack open source?

haystack is listed on OpenAgent.bot with Apache-2.0 based on the current resource metadata. Re-check the official repository, docs, and license before production use.

Tags

Capabilities

ragmemoryopen sourcepersonal memory