deepset-ai/haystack
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.
View on GitHub →PythonApache-2.0semantic-searchinformation-retrievalaipythonlarge-language-models
Stars
26.8k
Δ 7d
+54
Δ 30d
+225
Age
6 yrs
Last push
1h ago
90-day star history
Where this sits in the catalog
GroupFrameworks & SDKs
RankingsNot in any top 20 today — see the rankings
Most-wanted open issues
Ranked by 👍 reactions. 96 open issues total, checked 2026-10-14.
| Issue | 👍 | Comments | Opened |
|---|---|---|---|
| 3 | 0 | 1 yr | |
Add parallel component execution to Pipeline using a thread pool executor P2, handled internally | 2 | 0 | 6 mo |
| 1 | 17 | 7 mo | |
| 1 | 5 | 2 yrs | |
| 1 | 1 | 1 yr |
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