Search code examples
open-sourcesearch-engine

Open Source Projects for Web Search Engine Components

Can someone put a list of open source software of each of these components included in the question "Building a web search engine"?

That will save many people's time in the search for high quality open source components.

Component List:

  1. Crawler
  2. Parser
  3. Indexer
  4. Ranking Engine
  5. Front End
Solution

  • For the Java world:

    Parsers

    Indexer

    Ranking Engine

    Front End

    • whatever lightweight MVC framework