Elasticsearch vs Sist2
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?
Elasticsearch
Distributed search and analytics engine
VS
Sist2
Lightning-fast tag-based file indexing and search engine
| Feature | Elasticsearch | Sist2 |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Elastic-2.0 | GPL-3.0 |
| Language | Java | C |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 512 MB |
| Deployment | docker, kubernetes, bare-metal | docker, binary |
| GitHub stars | ★ 77,808 | ★ 1,279 |
| First released | 2010 | 2019 |
| Replaces | Algolia, Splunk | Recoll |
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 Elasticsearch or Sist2 better?
Neither is universally better. Elasticsearch 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 Elasticsearch and Sist2 free and open-source?
Yes. Elasticsearch is licensed under Elastic-2.0 and Sist2 under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Elasticsearch and Sist2 with Docker?
Elasticsearch: yes. Sist2: yes.