Browse free open source Java Text Editors and projects below. Use the toggles on the left to filter open source Java Text Editors by OS, license, language, programming language, and project status.

  • Passwordless Authentication and Passwordless Security Icon
    Passwordless Authentication and Passwordless Security

    Identity is everything. Protect it with Duo.

    It’s no secret — passwords can be a real headache, both for the people who use them and the people who manage them. Over time, we’ve created hundreds of passwords, it’s easy to lose track of them and they’re easily compromised. Fortunately, passwordless authentication is becoming a feasible reality for many businesses. Duo can help you get there.
    Get a Free Trial
  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 1
    OmegaT - multiplatform CAT tool

    OmegaT - multiplatform CAT tool

    The free computer aided translation (CAT) tool for professionals

    OmegaT is a free and open source multiplatform Computer Assisted Translation tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects.
    Leader badge
    Downloads: 2,041 This Week
    Last Update:
    See Project
  • 2
    jEdit

    jEdit

    jEdit is a programmer's text editor written in Java.

    jEdit is a programmer's text editor written in Java. It uses the Swing toolkit for the GUI and can be configured as a rather powerful IDE through the use of its plugin architecture.
    Leader badge
    Downloads: 770 This Week
    Last Update:
    See Project
  • 3
    Allows editing of any size file in hexadecimal, decimal and ASCII. A great tool that allows you to edit and analyze the contents for either the data or resource fork of any type of file. 68K, PPC and Carbon run on MacOS 7-9 and X.
    Leader badge
    Downloads: 305 This Week
    Last Update:
    See Project
  • 4
    iText®, a JAVA PDF library

    iText®, a JAVA PDF library

    PDF Library for Developers

    iText is an open-source PDF library available for Java and .NET (C#). iText allows you to effortlessly generate and manipulate standards-compliant PDF documents with a powerful and feature-rich SDK. With iText, you can create archivable and accessible PDFs, split and merge documents, fill and flatten forms, digitally sign documents, and more. iText add-ons enable additional functionality, such as PDF creation from HTML templates, secure redaction, OCR, and much more. The latest versions of iText build on the success of previous versions and feature an improved document engine, high and low-level programming capabilities, and a more efficient modular structure. iText represents the next level for developers looking to leverage PDF in document workflows. The main project page for iText is now on GitHub, and all the latest releases, code samples, open source add-ons and tools, etc. can be found at https://github.com/itext/.
    Leader badge
    Downloads: 523 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    Acode

    Acode

    A powerful text/code editor for Android

    Welcome to Acode Editor, a powerful and versatile code editing tool designed specifically for Android devices. Whether you're working on HTML, CSS, JavaScript, or other programming languages, Acode empowers you to code on-the-go with confidence. Step into the future of coding with our innovative plugin system. This all-new feature is compatible with a wide range of plugins, increasing Acode's functionality to meet all your development needs. With over 30 plugins already available in the plugin store, the possibilities are endless. Acode lets you build and run websites right in your browser, debug with ease using the built-in console, and edit a wide range of source files from Python and CSS to Java, JavaScript, Dart, and more.
    Downloads: 19 This Week
    Last Update:
    See Project
  • 6
    ANTLR

    ANTLR

    Parser generator to read, process, or translate structured text

    ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. It's widely used to build languages, tools, and frameworks. From a grammar, ANTLR generates a parser that can build and walk parse trees. It’s widely used in academia and industry to build all sorts of languages, tools, and frameworks. Twitter search uses ANTLR for query parsing, with over 2 billion queries a day. The languages for Hive and Pig, the data warehouse and analysis systems for Hadoop, both use ANTLR. Lex Machina uses ANTLR for information extraction from legal texts. Oracle uses ANTLR within SQL Developer IDE and their migration tools. NetBeans IDE parses C++ with ANTLR. The HQL language in the Hibernate object-relational mapping framework is built with ANTLR.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 7

    ConcatPDF

    PDF Concatenation Tool

    ConcatPDF is the tool to concatenate PDF files. It can concatenate, extract, encrypt, decrypt, configure PDF files, convert image files to PDF. GUI version and CUI version are both available. iText.NET is iText porting on .NET Framework by J#. This library allows you to generate PDF, (X)HTML, XML, RTF files on Microsoft.NET Framework including ASP.NET.
    Leader badge
    Downloads: 93 This Week
    Last Update:
    See Project
  • 8

    RecordEditor

    Editor for Fixed Width, Csv and Existing Xml files.

    The RecordEditor is a Data File editor for Flat Files (delimited and fixed field position). It supports Unix / PC / Legacy (e.g. Mainframe) file formats, both Text and binary files. The Editor uses a Record-Layout description to format the files. This is ideal for Fixed width (Text or Binary) files, Cobol Data Files, Mainframe files and complicated Csv files. Cobol Copybooks can be used to format Cobol Data files. As well as an editor, The following utilities are supplied * Formatted Compare * File Copy and reformat Utility * FileWizard this is use to work out the format of a File. It can generally find both Text and binary / packed deicimal fields in a file For Simple Csv you should look at its sister project reCsvEditor. Note: The core Editor code is also used in the "Protocol buffers editor" and "Avro Editor"
    Leader badge
    Downloads: 70 This Week
    Last Update:
    See Project
  • 9
    FAR - Find And Replace
    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.
    Downloads: 43 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 by Okta Icon
    Our Free Plans just got better! | Auth0 by Okta

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your secuirty. Auth0 now, thank yourself later.
    Try free now
  • 10
    Command-line/Ant-task/embeddable text file preprocessor. Macros, flow control, expressions. Recursive directory processing. Extensible in Java to display data from any data sources (as database). Can generate complete homepages (tree of HTML-s, images, etc.)
    Leader badge
    Downloads: 60 This Week
    Last Update:
    See Project
  • 11
    Properties Editor

    Properties Editor

    Save time and effort of converting into Unicode through native2ascii

    Properties Editor can directly edit property files written in Unicode reference characters, eliminating the need to convert to Unicode. In addition to the usual editor functions, it can also be used as an Eclipse plug-in. When you unzip the file, when you unzip the downloaded zip file, a folder called eclipse will be created, and within that there will be folders called features and plugins. Copy this over the actual eclipse folder. Development using the properties file is performed by Java by the setting file of J2EE application, internationalization correspondence with desktop application, etc. being sufficient. However, you have to change the multi-byte character in a file into Unicode with the native2ascii tool of attachment in J2SDK on the character platform un-depending. This editor can directly edit property files written in Unicode reference characters, and saves the time and effort of converting into Unicode through native2ascii.
    Downloads: 81 This Week
    Last Update:
    See Project
  • 12
    XML Editor/Validator/Designer with CAMV

    XML Editor/Validator/Designer with CAMV

    CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle

    The CAM editor is the leading open source XML Editor/Validation/Schema toolset for rapidly building / deploying XML /JSON /Hibernate /SQL data /Forms applications. Visual WYSIWYG data design, rule entry wizards + drag & drop dictionary components. Will import, analyze / refactor from XML Schema / JSON. Oracle is a proud enterprise sponsor; with NIEM.gov support. Do SQL data import/map+ Open Data API delivery+ Hibernate JPA + UI Forms/Pencil Makes XSD schema (default, flatten, NIEM, & OASIS modes) + JAXB bindings; Mindmap FreeMind or UML models(XMI); XML unit test & live SQL data; HTML docs + spreadsheets (NIEM IEPDs). Canonical component dictionaries from schema sets, SQL, JSON, ERwin XSD, or spreadsheets. The XML CAM templates (OASIS standard) store the exchange structure, content model, code lists, DBMappings, SQL lookups+business rules (XPath). Java CAMV XML/JSON validation engine is a complete exchange test framework [XMLUnit, TEAM(Schematron)]. Java/Eclipse +Saxon/XSL
    Downloads: 25 This Week
    Last Update:
    See Project
  • 13
    The DITA Open Toolkit is an implementation of the OASIS DITA XML Specification. The Toolkit transforms DITA content into many deliverable formats. See https://www.dita-ot.org/ for documentation and links to downloads. The source code and issue trackers have been moved to https://github.com/dita-ot/dita-ot
    Downloads: 22 This Week
    Last Update:
    See Project
  • 14
    Vrapper

    Vrapper

    Vim-like editing in Eclipse

    Vrapper is an eclipse plugin which acts as a wrapper for existing eclipse text editors to provide a Vim-like input scheme for moving around and editing text. Eclipse Update Site: http://vrapper.sourceforge.net/update-site/stable
    Downloads: 12 This Week
    Last Update:
    See Project
  • 15
    Jericho HTML Parser is a java library allowing analysis and manipulation of parts of an HTML document, including server-side tags, while reproducing verbatim any unrecognised or invalid HTML.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 16
    Early Access iText, a PDF generation library in Java
    Downloads: 17 This Week
    Last Update:
    See Project
  • 17
    JOrtho - Java Orthography Checker
    JOrtho is a spell checker for Java. The library works with any JTextComponent from the swing framework. The dictionary is based on the free Wiktionary.org and applicable for multiple languages. You can select the spellchecking language via context menu.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 18
    RText is a customizable programmer's text editor written in Java. Some of its features include: syntax highlighting, editing multiple documents at once, printing and print preview, find/replace/find in files dialogs, undo/redo, and online help.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 19
    Colorer Library
    Colorer provides source text syntax highlighting services. It colorizes source codes in editor systems (more than 200 syntaxes). Uses powerful HRC format(XML, RE, context free grammas), allowing to support any language. Available as Eclipse plugin.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 20
    BinEd Binary/Hex Editor

    BinEd Binary/Hex Editor

    Binary / hex editor and component written in Java

    Free and open source hex editor written in Java. This is standalone desktop app, library for Java applications as well as variants for Java IDEs are also available.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 21
    bitext2tmx CAT bitext aligner/converter
    A free computer-aided translation / computer-assisted translation (CAT) tool to align and converter bitext into TMX translation memory format to be used in other CAT tools by translators and other language professionals.
    Leader badge
    Downloads: 8 This Week
    Last Update:
    See Project
  • 22
    OmegaT+ CAT Tools
    A translation tools suite for Computer-Aided Translation / Computer-Assisted Translation (CAT). A translation processor with translation memory, machine translation and project support, bitext aligner/converter, TMX validator, and others.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 23
    XPontus , a free java based, Open Source XML Editor
    Downloads: 13 This Week
    Last Update:
    See Project
  • 24
    Lua Editor

    Lua Editor

    Lua Editor

    Write and run pure Lua code. This is a great tool to test out your Lua knowledge or learn how to program.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 25
    Voikko

    Voikko

    Library of linguistic tools

    Voikko is a spell checking, grammar checking, morphological analysis and hyphenation system. Spell checkers are available for multiple languages, other features for Finnish only.
    Downloads: 6 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.