Weaviate 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?
Weaviate
Open-source vector database for semantic and AI search
VS
YaCy
Decentralized peer-to-peer web search engine
| Feature | Weaviate | YaCy |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | BSD-3-Clause | GPL-2.0 |
| Language | Go | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, kubernetes, helm | docker, bare-metal |
| GitHub stars | ★ 16,704 | ★ 3,999 |
| First released | 2019 | 2003 |
| Replaces | Pinecone, Algolia | Google Search, Bing |
Why pick each one
Frequently asked questions
Is Weaviate or YaCy better?
Neither is universally better. Weaviate has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Weaviate and YaCy free and open-source?
Yes. Weaviate is licensed under BSD-3-Clause and YaCy under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Weaviate and YaCy with Docker?
Weaviate: yes. YaCy: yes.