head to head · open source
ansible vs haystack
ansible has 70,719 GitHub stars, 24,336 forks, 837 open issues and last shipped yesterday. haystack has 26,534 stars, 3,144 forks, 143 open issues and last shipped yesterday. ansible leads on adoption by 167% (70,719 vs 26,534 stars). ansible is written in Python under GPL-3.0; haystack is written in Python under Apache-2.0. ansible has attracted 34% as many forks as stars, haystack 12%. ansible was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ansible | haystack | |
|---|---|---|
| GitHub stars | ★ 71K | ★ 27K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 24K | ⑂ 3.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ansible if
- You weight community size — 71K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick haystack if
- You want the haystack feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and haystack fits your workflow better
About ansible
Ansible is a radically simple, agentless IT automation platform, written in Python and licensed under GPL 3.0, that handles configuration management, application deployment, cloud provisioning, ad hoc task execution, network automation, and multi node orchestration for operators, developers, and network and cloud teams who manage machines over plain SSH.
read the full ansible overview →
About haystack
Haystack is an open source AI orchestration framework written in Python under the Apache 2.0 licence, for building context engineered, production ready large language model applications as modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation, and it is aimed at developers and teams building scalable agents, retrieval augmented generation, multimodal applications, semantic search, question answering, and conversational systems.
read the full haystack overview →
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Frequently asked questions
Is ansible or haystack more popular?
ansible has 70,719 GitHub stars and haystack has 26,534. ansible has the larger community by that measure.
Are ansible and haystack free?
Both are open source. ansible is licensed under GPL-3.0 and haystack under Apache-2.0. Neither carries a licence fee.
What is the difference between ansible and haystack?
ansible is written in Python and haystack in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ansible or haystack?
Choose ansible if you want the larger community (70,719 stars) or its GPL-3.0 licence terms. Choose haystack if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.