Showing 708 open source projects for "c# text editor source code"

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    Code App

    Code App

    Building a full-fledged code editor for iPad

    Bringing desktop-like editing experience to iPad, available on App Store and TestFlight. Use VS Code as a design template while providing key functionalities with Monaco-editor and native code. We built it because there is nothing else on the App Store that provides all these features in one app. A robust, high-performance text editor (Monaco Editor from Visual Studio Code) First class local file system support. Embedded emulated terminal. Local backend development environment (Node and PHP)...
    Downloads: 86 This Week
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  • 2
    C/C++ for Visual Studio Code

    C/C++ for Visual Studio Code

    Repository for the Microsoft C/C++ extension for VS Code

    The C/C++ extension adds language support for C/C++ to Visual Studio Code, including features such as IntelliSense and debugging. C/C++ support for Visual Studio Code is provided by a Microsoft C/C++ extension to enable cross-platform C and C++ development on Windows, Linux, and macOS. C++ is a compiled language meaning your program's source code must be translated (compiled) before it can be run on your computer. ...
    Downloads: 49 This Week
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  • 3
    Helix Editor

    Helix Editor

    A post-modern modal text editor

    A Kakoune / Neovim inspired editor, written in Rust. The editing model is very heavily based on Kakoune.
    Downloads: 1 This Week
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  • 4
    Swagger Editor

    Swagger Editor

    An editor designed for Swagger

    Swagger Editor lets you edit Swagger API specifications in YAML inside your browser and to preview documentations in real time. Valid Swagger JSON descriptions can then be generated and used with the full Swagger tooling (code generation, documentation, etc). swagger-editor is a traditional npm module intended for use in single-page applications that are capable of resolving dependencies (via Webpack, Browserify, etc). swagger-editor-dist is a dependency-free module that includes everything...
    Downloads: 16 This Week
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  • 5
    Neovim

    Neovim

    Hyperextensible Vim-based text editor

    Neovim is a hyperextensible text editor based on Vim. It seeks to maximize usability and extensibility, simplify maintenance and encourage contributions.
    Downloads: 53 This Week
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  • 6
    Monaco Editor

    Monaco Editor

    A browser based code editor

    Monaco Editor is the rich, browser-based code editor that powers Visual Studio Code, providing advanced editing capabilities as a standalone embeddable library for web applications. Models are at the heart of Monaco editor. It's what you interact with when managing content. A model represents a file that has been opened. This could represent a file that exists on a file system, but it doesn't have to. For example, the model holds the text content, determines the language of the content, and...
    Downloads: 8 This Week
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  • 7
    Ace Editor

    Ace Editor

    Ace (Ajax.org Cloud9 Editor)

    Ace is an embeddable code editor written in JavaScript. It matches the features and performance of native editors such as Sublime, Vim and TextMate. It can be easily embedded in any web page and JavaScript application. Ace is maintained as the primary editor for Cloud9 IDE and is the successor of the Mozilla Skywriter (Bespin) project.
    Downloads: 7 This Week
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  • 8
    Notepad++

    Notepad++

    Free, open-source text editor

    Notepad++ is a source code editor that is free to use and is available in various languages. The source code editor is also written in C++ and is based on the Scintilla editing component. Notepad++ offers a wide range of features, such as autosaving, line bookmarking, simultaneous editing, tabbed document interface, and many more features. Over 140 plugins are also available to use in the default program.
    Downloads: 2,397 This Week
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  • 9
    Textadept

    Textadept

    Fast, and remarkably extensible cross-platform text editor

    A fast, minimalist, and remarkably extensible cross-platform text editor. Textadept’s user interface is sleek and simple. Relentlessly optimized for speed and minimalism over the years, the editor consists of less than 2000 lines of C and C++ code, and less than 4000 lines of Lua code. Textadept runs on Windows, macOS and Linux. It also has a terminal version, which is ideal for work on remote machines.
    Downloads: 6 This Week
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  • 10
    SAKURA Editor

    SAKURA Editor

    A free Japanese text editor for Windows

    A free Japanese text editor for Windows
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    Downloads: 1,070 This Week
    Last Update:
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  • 11
    AvaloniaEdit

    AvaloniaEdit

    Avalonia-based text editor (port of AvalonEdit)

    This project is a port of AvalonEdit, a WPF-based text editor for Avalonia.
    Downloads: 1 This Week
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  • 12
    CP Editor

    CP Editor

    The IDE for competitive programming

    CP Editor is designed for competitive programming. It helps you focus on your algorithms and automates the compilation, execution and testing of your code. It can fetch test cases from different platforms and submit solutions to Codeforces. It automates all that's reasonably possible and allows you to purely focus on your code. Say no to manual efforts of running and testing your code against expected outputs. It can fetch test cases automatically from almost all competitive programming...
    Downloads: 1 This Week
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  • 13
    OpenAI Sublime Text Plugin

    OpenAI Sublime Text Plugin

    First class Sublime Text AI assistant with gpt-5, Opus 4.6, Gemini 3

    OpenAI Sublime Text is a full-featured AI assistant plugin designed to bring advanced language model capabilities into the Sublime Text editor with a deeply integrated user experience. It supports a wide range of providers, including OpenAI, Anthropic, Google Gemini, and local backends like Ollama or llama.cpp, making it highly flexible for different deployment scenarios. The plugin offers both chat-based interaction and inline assistance through “phantoms,” which display non-intrusive...
    Downloads: 0 This Week
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  • 14
    Geany

    Geany

    A fast and lightweight IDE

    Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow. It runs on Linux, Windows and macOS, is translated into over 40 languages, and has built-in support for more than 50 programming languages.
    Downloads: 40 This Week
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  • 15
    AvalonEdit

    AvalonEdit

    The WPF-based text editor component used in SharpDevelop

    AvalonEdit is the name of the WPF-based text editor in SharpDevelop 4.x "Mirador" and beyond. It is also being used in ILSpy and many other projects. AvalonEdit is targeting net6.0-windows and net462 TFMs. Because of net6.0-windows, you must have the .NET 6.0 SDK installed on your machine. Visual Studio 2022 Community and up is required for working with the solution (global.json will select the proper SDK to use for building for you).
    Downloads: 0 This Week
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  • 16
    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...
    Downloads: 110 This Week
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  • 17
    Software Copyright Materials Skill

    Software Copyright Materials Skill

    Skills, a Chinese software copyright application material generator

    Software Copyright Skill is an open-source Codex skill for generating Chinese software copyright application materials from a local software project. It helps developers prepare the documents required for a software copyright filing without relying on paid document-preparation services. The skill reads the real project, guides the user through key confirmations, and produces organized materials that can be reviewed and edited locally. It can generate application-form reference information,...
    Downloads: 0 This Week
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  • 18
    VSCodium

    VSCodium

    binary releases of VS Code without MS branding/telemetry/licensing

    Microsoft’s vscode source code is open source (MIT-licensed), but the product available for download (Visual Studio Code) is licensed under this not-FLOSS license and contains telemetry/tracking. The VSCodium project exists so that you don’t have to download+build from source. This project includes special build scripts that clone Microsoft’s vscode repo, run the build commands, and upload the resulting binaries for you to GitHub releases. These binaries are licensed under the MIT license....
    Downloads: 52 This Week
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  • 19
    Notepads

    Notepads

    A modern, lightweight text editor with a minimalist design

    I have been waiting long enough for a modern Windows 10 notepad app to come before I decided to create one myself. Don’t get me wrong, Notepad++, VS Code, and Sublime are great text editors. I have used them all and I will continue to use them in the future. However, they are either too heavy or look less appealing. There are times that I just wanted to use Windows Notepad for things like writing notes or editing config files. So I decided to create a win32 notepad replacement here and try...
    Downloads: 32 This Week
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  • 20
    PSPad

    PSPad

    Text and code editor

    PSPad editor is a programmers editor with support for multiple syntax highlighting profiles. It comes with a hex editor, CP conversion, text differences, templates, macros, spellcheck option, auto-completion, Code Explorer and much more. The program is pre-configured for the most popular programming languages (VB, C++, SQL, PHP, ASP, Python etc.) and you can further customize the syntax settings.
    Downloads: 113 This Week
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  • 21
    Kakoune

    Kakoune

    mawww's experiment for a better code editor

    Multiple selections are the central way of interacting in Kakoune, with powerful handling primitives (regex matches, filtering, splitting, aligning, text objects etc). Kakoune implements several tools to help editing/writing text: contextual help, as-you-type completion, syntax highlighting for several programming languages. Text can be selected and modified at will in multiple ways, thanks to several primitives: selection rotation, case manipulation, indentation leveling. Users can extend...
    Downloads: 0 This Week
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  • 22
    ecode

    ecode

    Lightweight multi-platform code editor designed for modern hardware

    ecode is a lightweight multi-platform code editor designed for modern hardware with a focus on responsiveness and performance. It has been developed with the hardware-accelerated eepp GUI, which provides the core technology for the editor. The project comes as the first serious project using the eepp GUI, and it's currently being developed to improve the eepp GUI library as part of one of its main objectives.
    Downloads: 9 This Week
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  • 23
    led-text-editor

    led-text-editor

    A simple and easy-to-use but yet powerful line-oriented text editor.

    led is a simple and easy-to-use but yet powerful line-oriented text editor. It is written in Urn Lisp and compiled to Lua, so it is available for every platform where Lua (version 5.1 or higher) is available as well; however some special features are available only with Lua 5.1 (or LuaJIT) on AmigaOS, MorphOS, AROS and UNIX with XTerm. The latest release (18-Mar-2021) now supports also scripts.
    Downloads: 0 This Week
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  • 24
    Runestone

    Runestone

    Performant plain text editor for iOS with syntax highlighting

    Performant plain text editor for iOS with syntax highlighting, line numbers, invisible characters and much more. Runestone uses GitHub's Tree-sitter to parse code to a syntax tree which is used for features that require an understanding of the code in the editor, for example syntax highlighting. Highlight ranges in the text view. Search the text using regular expressions. Automatically detects if a file is using spaces or tabs for indentation. Specify line endings (CR, LF, CRLF) to use when...
    Downloads: 1 This Week
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  • 25
    RoslynPad

    RoslynPad

    A cross-platform C# editor based on Roslyn and AvalonEdit

    A cross-platform C# editor based on Roslyn and AvalonEdit. RoslynPad is also available as NuGet packages which allow you to use Roslyn services and the editor in your own apps.
    Downloads: 1 This Week
    Last Update:
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