SHSelfHostIndex

Farfalle 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?
FA Farfalle Open-source AI search engine with local model support VS YA YaCy Decentralized peer-to-peer web search engine
FeatureFarfalleYaCy
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score24 · At risk86 · Excellent
CategorySearch EnginesSearch Engines
LicenseApache-2.0GPL-2.0
LanguageTypeScriptJava
Setup difficultyMediumMedium
Min. RAM1,024 MB1,024 MB
Deploymentdocker, bare-metaldocker, bare-metal
GitHub stars★ 3,543★ 4,044
First released20242003
ReplacesGoogle SearchGoogle Search, Bing

What are Farfalle and YaCy?

Farfalle

Farfalle is an open-source AI-powered search engine that can run with local language models. It provides conversational, sourced answers while keeping queries on your own infrastructure.

  • Run with local or cloud LLMs
  • Cited conversational answers
  • Self-hostable search pipeline
  • Expert agent modes

Read the full Farfalle guide →

YaCy

YaCy is a free, decentralized search engine built on peer-to-peer networking. Each installation crawls the web and shares its index with other peers, creating a search network with no central authority.

  • Peer-to-peer decentralized index
  • Built-in web crawler
  • No central server or censorship
  • Can run as a private intranet search

Read the full YaCy guide →

Farfalle vs YaCy: key differences

Farfalle is written in TypeScript, while YaCy is built with Java. Licensing differs — Apache-2.0 for Farfalle versus GPL-2.0 for YaCy. YaCy is the more established project (first released 2003), while Farfalle arrived in 2024.

Why pick each one

Choose Farfalle if…

  • Supports fully local operation
  • Clean UI

Watch out for

  • Newer project with rough edges
Farfalle details

Choose YaCy if…

  • Truly decentralized
  • Censorship resistant

Watch out for

  • Index quality varies
  • Java resource use
YaCy details

Frequently asked questions

Is Farfalle or YaCy better?

Neither is universally better. YaCy has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Farfalle and YaCy free and open-source?

Yes. Farfalle is licensed under Apache-2.0 and YaCy under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Farfalle and YaCy with Docker?

Farfalle: yes. YaCy: yes.

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