Sist2 vs Milvus
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Sist2
Lightning-fast tag-based file indexing and search engine
VS
Milvus
Open-source vector database built for scalable similarity search
| Feature | Sist2 | Milvus |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | GPL-3.0 | Apache-2.0 |
| Language | C | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 4,096 MB |
| Deployment | docker, binary | docker, kubernetes, helm |
| GitHub stars | ★ 1,279 | ★ 45,556 |
| First released | 2019 | 2019 |
| Replaces | Recoll | Pinecone, Elasticsearch |
Why pick each one
Choose Sist2 if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Active community (1.3k GitHub stars)
- Written in C
Frequently asked questions
Is Sist2 or Milvus better?
Neither is universally better. Milvus has the larger community, while Sist2 is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Sist2 and Milvus free and open-source?
Yes. Sist2 is licensed under GPL-3.0 and Milvus under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Sist2 and Milvus with Docker?
Sist2: yes. Milvus: yes.