Elasticsearch vs YaCy
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
YaCy
Decentralized peer-to-peer web search engine
| Feature | Elasticsearch | YaCy |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Elastic-2.0 | GPL-2.0 |
| Language | Java | Java |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, kubernetes, bare-metal | docker, bare-metal |
| GitHub stars | ★ 77,808 | ★ 3,999 |
| First released | 2010 | 2003 |
| Replaces | Algolia, Splunk | Google Search, Bing |
Why pick each one
Frequently asked questions
Is Elasticsearch or YaCy better?
Neither is universally better. Elasticsearch has the larger community, while YaCy is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Elasticsearch and YaCy free and open-source?
Yes. Elasticsearch is licensed under Elastic-2.0 and YaCy under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Elasticsearch and YaCy with Docker?
Elasticsearch: yes. YaCy: yes.