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Yacy

Yacy is an open-source, self-hosted app in the Search Engines category, licensed GPL-2.0 and written mainly in Java. It ships a Docker image. It has 4,080 GitHub stars and its last commit was on Sep 23, 2026 (data as of Oct 26, 2026).

github.com/yacy/yacy_search_server

GitHub stats

GitHub stars
4,080
Forks
504
Open issues
215
Commits, last 12 months
212
Last commit
Sep 23, 2026
Latest release
No releases
Created
Mar 22, 2015
License
GPL-2.0Open source

Data as of from the GitHub API. Report an error

Project health

ActiveActive: last commit Sep 23, 2026, 212 commits in 12 months.

Raw inputs behind the health label
Last commitSep 23, 2026
Commits, last 12 months212
Latest releaseNo GitHub releases
Releases, last 12 months0
Releases, all time0
Open issues215
Open pull requests30
Good first issues3
Contributing guideYes
Security policyNo
CreatedMar 22, 2015

Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error

About Yacy

Peer based, decentralized search engine server.

Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/yacy/yacy_search_server.

Topics

  • decentralized
  • p2p
  • p2p-network
  • privacy
  • privacy-protection
  • search-engine
  • searchengine
  • web
  • web-search-engine
  • websearch

Repository preview

Yacy repository previewyacy/yacy_search_serverOpen repository

FAQ

Yacy FAQ

Still curious? Email info@appsgit.com.

Is Yacy free and open source?

Yes. Yacy is open-source software released under the GPL-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I run Yacy with Docker?

Yes. Yacy provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.

What are the best alternatives to Yacy?

Popular self-hosted alternatives to Yacy include ElasticSearch, MeiliSearch and SearXNG.

Is Yacy actively maintained?

The most recent commit to Yacy was on Sep 23, 2026 with 212 commits in the past twelve months. It had 215 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.