Apache Lucene is an open source high-performance, full-featured information retrieval software library written entirely in Java.
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Apache Lucene is an open source high-performance, full-featured information retrieval software library written entirely in Java.
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The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).
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Apache UIMA is an Apache-licensed open source implementation of the UIMA specification. Frameworks are available for Java and C++.
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Ancestris is genealogy software respecting the Gedcom standard with more than 30 tools to manipulate your genealogy or to perform analysis.
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GenealogyJ is a full-featured viewer and editor for genealogic data, suitable for the hobbyist, family historian and genealogy researcher.
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What you need is a curated list of programming books. Better than that. A curated list of the best free programming books.
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JWildfire is a very powerful and flexible flame fractal generator that has been battle-tested by numerous fractal artists.
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Jalview is a cross-platform program for multiple sequence alignment editing, visualisation and analysis. It’s written in Java.
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Shutter Encoder is a frontend for FFmpeg. It has been designed by video editors in order to be as accessible and efficient as possible.
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JavaSnoop is a tool for testing (re: hacking) Java desktop applications or applets.
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Opal is a small utility that’s designed to do one thing — listen to relaxing background music. It’s written in Java.
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CommaFeed is a Google Reader inspired self-hosted open source RSS reader, based on Dropwizard and React/TypeScript.
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Jacksum is data integrity software for working with checksums, CRCs, and message digests (hashes).
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JDeveloper covers the full development lifecycle from design through coding, debugging, optimization and profiling to deploying. We recommend open source alternatives.
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Gitember is a cross-platform GUI for git. Gitember is written in the Java programming language.
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Oracle TopLink is a mapping and persistence framework for Java developers. What are the best free and open source alternatives?
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KeenWrite is a Java-based desktop text editor with live preview, string interpolation, and formulas.
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Here’s our recommended free tutorials to learn a variety of programming languages. Learn C, C++, Java, Python, R, JavaScript, PHP, and many more.
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Tusky is a lightweight open source Android client for Mastodon, a free and open-source social network server.
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CodeGym is an intuitive and easy-to-use platform that helps entry-level programmers learn Java online.
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