YACY 1.2

YACY is a distributed Web crawler and also a caching HTTP/HTTPS proxy.
  2 Screenshots
YACY is a distributed Web crawler and also a caching HTTP/HTTPS proxy. Pages that pass through the proxy are indexed and can be searched using a built-in HTTP server.

YACY peers connect each other and form a P2P-based index exchange network based on distributed hash tables. Explicit web crawls can be done locally or collaboratively, forming a global search and distributed indexing engine for the Web.

YACY also provides URL filtering with blacklist sharing among other proxy peers, individual Web and servlet page hosting, a file sharing zone, and a database engine.

Main features:

  • Search your own or the global index
  • Crawl your own pages or start distributed crawling
  • Run your peer to support other YaCy crawlers
  • Provide Information on your peer using the built-in http-server, file-sharing zone and wiki
  • Built-in caching http proxy
  • Indexing benefits from the proxy cache; private information is not stored or indexed
  • Usage of the proxy is not a requisite for web indexing, but it enables you to access the new top-level-domains '.yacy'
  • Filter unwanted content like ad- or spyware; share your web-blacklist with other peers
  • Easy installation! No additional database required!
  • No central server!
  • GPL'ed, freeware

last updated on:
November 9th, 2012, 12:53 GMT
developed by:
Michael Christen
license type:
GPL (GNU General Public License) 
ROOT \ Internet \ HTTP (WWW)
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2 Screenshots
What's New in This Release:
  • YaCy now has an embedded Solr 4.0.0 with the standard Solr XML search interface integrated.
  • This is the primary indexing engine now.
  • There is now an enhanced crawler with live link structure visualization.
  • This release adds a Host Browser to explore the file structure of crawled hosts.
read full changelog

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