Showing 121 open source projects for "editing"

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  • 1
    JSON Editor

    JSON Editor

    A web-based tool to view, edit, format, and validate JSON

    JSON Editor is a web-based JSON editing and visualization tool designed for viewing, editing, formatting, validating, and transforming JSON documents in multiple interactive modes. The project provides several editing interfaces including tree view, code editor, form-based editing, and plain text modes, allowing users to work with structured data in the format most suitable for their workflow.
    Downloads: 6 This Week
    Last Update:
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  • 2
    PDFCraft

    PDFCraft

    PDFCraft is a free, privacy-focused PDF toolkit

    ...But beyond manual editing, it also offers a programmable layer so developers can write scripts to batch process documents, generate templated reports, or extract structured data from PDFs for integration in workflows. The design emphasizes quality and compatibility: output PDFs render accurately across readers, preserve metadata, and support interactive elements like hyperlinks and form fields.
    Downloads: 66 This Week
    Last Update:
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  • 3
    OpenPDF

    OpenPDF

    open source Java library for creating and editing PDF files

    OpenPDF is a Java library for creating and editing PDF files with a LGPL and MPL open source license. OpenPDF is the LGPL/MPL open source successor of iText, and is based on a fork, of a fork, of iText 4 svn tag.
    Downloads: 34 This Week
    Last Update:
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  • 4
    PDF4QT

    PDF4QT

    Open source PDF editor

    PDF4QT is open source PDF editor based on Qt framework. It contains a C++ library, applications for viewing/editing PDF documents, and a command line tool. PDF4QT is an open-source PDF editor for Windows/Linux. It is a modern solution for viewing/editing/rendering PDF documents, for users and developers alike. For developers, there is a C++ library and a command line tool for use in scripts. For users, there are four applications offering many features.
    Downloads: 57 This Week
    Last Update:
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  • 5
    TexLab

    TexLab

    An implementation of the Language Server Protocol for LaTeX

    A cross-platform implementation of the Language Server Protocol providing rich cross-editing support for the LaTeX typesetting system. The server may be used with any editor that implements the Language Server Protocol.
    Downloads: 11 This Week
    Last Update:
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  • 6
    JupyterLab LaTeX

    JupyterLab LaTeX

    JupyterLab extension for live editing of LaTeX documents

    An extension for JupyterLab which allows for live-editing of LaTeX documents. To use, right-click on an open .tex document within JupyterLab, and select Show LaTeX Preview. This extension includes both a notebook server extension (which interfaces with the LaTeX compiler) and a lab extension (which provides the UI for the LaTeX preview). The Python package named jupyterlab_latex provides both of them as a prebuilt extension.
    Downloads: 9 This Week
    Last Update:
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  • 7
    mp-html

    mp-html

    Small program rich text component, supports rendering and editing html

    A powerful applet-rich text component. Small program rich text component supports rendering and editing HTML and supports use on WeChat, QQ, Baidu, Alipay, Toutiao, and uni-app platforms. Displaying dynamic HTML rich text is a necessary requirement for many applications. The applet platform does not support dom operations, making this a problem. The built-in rich-text component supports few tags and blocks all events, making it difficult for practical application.
    Downloads: 4 This Week
    Last Update:
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  • 8
    Vanilla.PDF

    Vanilla.PDF

    Cross-platform SDK for creating and modifying PDF documents

    Vanilla.PDF is a modern, high-performance, open-source C++17 SDK designed for creating, editing, signing, and analyzing PDF documents across multiple platforms. It requires no external runtime dependencies, making it lightweight and ideal for embedding into desktop applications, servers, or automation pipelines. The SDK offers full cross-platform support including Windows, Linux, macOS, and Android, with builds available for major compilers and architectures.
    Downloads: 6 This Week
    Last Update:
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  • 9
    Fidus Writer

    Fidus Writer

    Fidus Writer is an online collaborative editor for academics

    Fidus Writer is an online collaborative editor especially made for academics who need to use citations and/or formulas. The editor focuses on the content rather than the layout, so that with the same text, you can later on publish it in multiple ways: On a website, as a printed book, or as an ebook. In each case, you can choose from a number of layouts that are adequate for the medium of choice.
    Downloads: 25 This Week
    Last Update:
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  • 10
    wikmd

    wikmd

    A file based wiki that uses markdown

    It’s a file-based wiki that aims to simplicity. Instead of storing the data in a database I chose to have a file-based system. The advantage of this system is that every file is directly readable inside a terminal etc. Also when you have direct access to the system you can export the files to anything you like.
    Downloads: 10 This Week
    Last Update:
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  • 11
    TexText

    TexText

    Re-editable LaTeX/ typst graphics for Inkscape

    Re-editable LaTeX and typst graphics for Inkscape. TexText is a Python extension for the vector graphics editor Inkscape providing the possibility to add and re-edit LaTeX and typst generated SVG elements to your drawing.
    Downloads: 12 This Week
    Last Update:
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  • 12
    Nano PDF Editor

    Nano PDF Editor

    Edit PDF files with Nano Banana

    ...The viewer strives to comply with standard PDF features, like annotations and linked bookmarks, while avoiding the complexity of full-featured document suites that prioritize editing or creation.
    Downloads: 23 This Week
    Last Update:
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  • 13
    neutriNote

    neutriNote

    The original extensible Markdown + Math note app

    ...Then the boundaries between written thoughts in formatted / unformatted text, math (LaTeX), rich markdown, ASCII drawings, and so on, are artificially imposed. neutriNote reclaims the paradigm by preserving all contents in a text-centric searchable repository. Unlike the emphasis on traditional text editing functions found in most mainline writing apps, neutriNote focuses instead on the long-term searchability of information so that cognitive load may be reduced through note-taking, with a writing experience totally open to customization.
    Downloads: 12 This Week
    Last Update:
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  • 14
    Markdown Here

    Markdown Here

    Write email in Markdown and render them before sending

    If you’ve ever found writing email with code in it a hassle, Markdown Here is the perfect solution for you. Markdown Here is a browser extension that lets you write emails in Markdown, and then renders them before sending. It can also let you write Google Groups posts, blog posts, Evernote notes, Wordpress posts and more in Markdown, even in TeX mathematical formulae! Markdown Here is available for Google Chrome, Firefox, Safari, Opera, and Thunderbird. It supports syntax highlighting...
    Downloads: 7 This Week
    Last Update:
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  • 15
    Markdown Monster

    Markdown Monster

    An extensible Markdown Editor, Viewer and Weblog Publisher for Windows

    Markdown Monster is a powerful, yet easy-to-use Markdown editor with syntax highlighting and sophisticated and fast edit features. A collapsible, synced, live preview lets you see your output as you type and scroll. Easily embed or paste images, links, tables and code using raw markup or our smart UI helpers to simplify many operations with a few keystrokes or a click or two. Paste images from the clipboard or drag and drop from Explorer or our built-in file browser. Inline spell-checking...
    Downloads: 4 This Week
    Last Update:
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  • 16
    HTML Anything

    HTML Anything

    The agentic HTML editor

    HTML Anything is an agentic HTML editor that helps local AI agents generate polished HTML artifacts across multiple content formats. It is built for workflows where the user describes a desired output and the agent writes the HTML that can then be previewed, edited, and shipped. The project supports a wide surface area, including magazine layouts, decks, posters, social posts, prototypes, and data-oriented artifacts. It emphasizes local-first creation, reusable design skills, and practical...
    Downloads: 1 This Week
    Last Update:
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  • 17
    json-joy

    json-joy

    json-joy — JSON CRDT, JSON CRDT Patch, JSON Patch

    json-joy library implements cutting-edge real-time and collaborative editing algorithms and other utilities for JSON data models. Major focus of json-joy is development of the JSON CRDT protocol, a Conflict-free Replicated Data Type that enables seamless merging of changes in JSON data models, avoiding conflicts between replicas.
    Downloads: 0 This Week
    Last Update:
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  • 18
    html-video

    html-video

    Programmatic video for coding agents — HTML to video on your laptop

    ...It is connected to a workflow where agents write HTML, CSS, and animation code that can be rendered into deterministic video output. The project is useful for creators and developers who want programmable video generation instead of editing everything manually in a timeline. It fits naturally with local AI coding agents, since the visual output is represented as code that can be inspected, changed, and regenerated. The workflow can support motion graphics, social content, product visuals, and structured video experiments. Its main value is turning HTML-based design and animation into a repeatable, agent-friendly video production pipeline.
    Downloads: 0 This Week
    Last Update:
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  • 19
    JSONly

    JSONly

    A GUI program for interacting with and manipulating JSON files

    JSONly is a lightweight, user-friendly GUI JSON editor designed to make working with JSON files simple and efficient. Built with a focus on usability, Jsonly provides an intuitive interface for viewing, editing, and managing JSON data without overwhelming you with unnecessary features.
    Downloads: 14 This Week
    Last Update:
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  • 20

    vx - fast LaTeX editor

    Fast editor for TeX documents

    VX is a small, light, free text editor and yet another shell for TeX programming language based oh Scintilla. "Visualizing" corresponds only to document editing process, but not to preview (as in WYSIWYG systems). Main feature of VX is support of accelerators (macro) for text typing. Also usual text editing functions are supported such as autocompleting, block selecting etc.
    Downloads: 1 This Week
    Last Update:
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  • 21
    MRCube

    MRCube

    Meta-Model Management based on RDFs Revision Reflection

    MRCube is a graphical editing tool of RDF-based contents developed for managing a relationship between RDF and RDFS contents.
    Downloads: 6 This Week
    Last Update:
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  • 22
    jPicEdt

    jPicEdt

    Another drawing editor for LaTeX with PSTricks & TikZ

    jPicEdt is an extensible internationalized vector-based drawing editor for LaTeX and related packages (TikZ, PsTricks,...), written in Java. It is also a library of reusable high-level graphic primitives.
    Downloads: 8 This Week
    Last Update:
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  • 23
    Super PDF Editor (a Batch PDF Processor)

    Super PDF Editor (a Batch PDF Processor)

    Create, Edit, Delete, Organize , Convert, Export, Secure & Sign PDF.

    Super PDF Editor - Powerful, superfast, lightweight PDF processor. All-in-one PDF solution, PDF editing with 80+ tools and functions. The easy-to-use software is complete with editing tools for modifying PDF files your way. Most comprehensive, powerful, process-based and lightning-fast batch processor software. OCR PDF. PDF Imposition, Reverse Pages, Resize Page, Scale Page, Booklet, N-up Pages, Merge, Split by page, Extract Page, Rotate Page.
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    Downloads: 18 This Week
    Last Update:
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  • 24

    litePDF

    a library to create/modify PDF documents using HDC/TCanvas

    litePDF is a Windows library (DLL), which allows creating new and editing of existing PDF documents with simple API. Page content is drawn with standard GDI functions through a device context (HDC or TCanvas, in case of Delphi or C++ Builder).
    Downloads: 5 This Week
    Last Update:
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  • 25
    XML Tree Editor

    XML Tree Editor

    Basic cross-platform tree view XML editor

    XMLTreeEdit displays XML files as tree views and allows basic operations: adding, editting and deleting text nodes and their attributes. The main goal is providing a simple tool to create/edit XML configuration files for users without knowledge of XML. Built in Free Pascal Lazarus, which allows easy compilation for different target platforms. Currently binary executables were produced and tested on Windows (XP, 7) and Ubuntu Linux (GTK2). For developers: there are two units listed...
    Downloads: 21 This Week
    Last Update:
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