Desktop search application
DocFetcher is an Open Source desktop search application: It allows you to search the contents of files on your computer. — You can think of it as Google for your local files. The application runs on Windows, Linux and Mac OS X.
Search and replace operations on file content accross multiple files. Recursive operations within entire directory trees. FAR comes with support for regular expressions (regex) over multiple lines, automatic backup and various character encodings. Run grep like extractions to condense or rearrange sources, or perform bulk file renaming.
An open source search engine with RESTFul API and crawlers
OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, etc.) and the client libraries (REST/API , Ruby, Rails, Node.js, PHP, Perl) you will be able to integrate quickly and easily advanced full-text search capabilities in your application: Full-text with basic semantic, join queries, boolean queries, facet and filter, document (PDF, Office, etc.) indexation, web scrapping,etc. OpenSearchServer runs on Windows and Linux/Unix/BSD.
Powerful desktop search app for Windows, Linux and Mac
Power searching on your desktop without the pain. Perform powerful desktop searches without having to index your system using regular expressions. Graphical equivalent to find/grep. Available for Windows (JAVA) and Linux (Gnome & KDE) and easy to translate into your locale.
Aperture is a Java framework for extracting and querying full-text content and metadata from various information systems (file systems, web sites, mail boxes, ...) and the file formats (documents, images, ...) occurring in these systems.
Find, select, delete empty folders. Use the ignore list and others.
Empty Directories Finder expires empty directories and allows you to conveniently select the required directories before deleting.
A Java-based powerful disk usage utility. It outputs a table and a tree (both can be sorted). TinyScan is able to export the result to Excel, Access, MySQL and it can also scan remote computers. It is free and open source.
Lucene/Solr based search engine and workflow system
Important: This project has been moved to https://github.com/statsbiblioteket/summa/ Lucens (and Solr) based search engine with very flexible setup and workflow system. It supports incremental updates, hierarchical faceting and index lookup with low memory overhead. Note: Although Summa is open source, the focus is on features used at Statsbiblioteket. No explicit resources has been allocated for support of external users.
Datafari is an advanced open source enterprise search solution!
Quickly Search THOUSANDS of Archives!
If you have ever tried to locate files, classes, and resources buried amongst an ever shifting locus of ZIP and / or JAR files, we feel your pain! After spending far too much time searching hundreds of archives for moving targets, I decided to write JarOMine. Originally designed for locating Java classes, JarOMine works equally well with ZIP archives, too.