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Apache Lucene is a free and open-source search engine software library, originally written in Java by Doug Cutting. It is supported by the Apache Software Foundation and is released under the Apache Software License. Lucene is widely used as a standard foundation for production search applications.
The program is an indexing search tool, meaning it has a local database of file content that it checks, rather than looking over all files on your machine. This means the program must always be running to monitor changes, but search results are instant. Search tools are based on Apache Lucene software, a widely-used, open source search engine.
This is a list of free and open-source software packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software ; the GNU project in particular objects to their works being referred to as open-source . [1]
Microsoft's version of Wordpad included with Windows 7 supports opening and saving in the docx format. The Mac OS X-based NeoOffice office suite supports opening, editing, and saving of most Office Open XML documents since version 2.1. Nisus Writer Pro has built-in, but rather limited, support for opening OOXML documents.
Free search engine software. This is a category of articles relating to software which can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy: "free software" or "open source software". Typically, this means software which is distributed with a free software license or in public domain .
Both free and paid versions are available. It can handle Microsoft Excel .xls and .xlsx files, and also produce other file formats such as .et, .txt, .csv, .pdf, and .dbf. It supports multiple tabs, VBA macro and PDF converting. Lotus SmartSuite Lotus 123 – for MS Windows. In its MS-DOS (character cell) version, widely considered to be ...
Code search engines. This category is for search engines that search for computer program source code .
Code search. In 2012, Black Duck Open Hub launched Open Hub Code Search, a free code search engine based on the predecessor Koders. It could search over 21 billion lines of open-source code and filter by language, project or syntax, but was discontinued in 2016. See also. Computer programming portal