Showing 233 open source projects for "c# open source"

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  • 1
    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: 2,592 This Week
    Last Update:
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  • 2
    RedPanda C++

    RedPanda C++

    A powerful, lighweight and cross-platform C/C++ IDE

    Red Panda C++ is a lightweight yet powerful C/C++/GNU Assembly IDE. It provides users with coding experiences like vs code and CLion, but is much lightweighted than them. Highlights of its new and enhanced feature: * High DPI support * Code intellisense (Code Completion suggestion while editing). * Syntax checking while editing * Greatly improved debugger (local \ call stack \ memory view) * Theme and color scheme. * UTF-8 encoding support * Greatly improved search/replace...
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    Downloads: 978 This Week
    Last Update:
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  • 3
    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.
    Downloads: 105 This Week
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  • 4
    IntelliJ Community Edition

    IntelliJ Community Edition

    IntelliJ IDEA & IntelliJ Platform

    IntelliJ Community is the open source upstream of JetBrains’ IntelliJ IDEA, forming the core of a powerful, extensible, and intelligent development environment. It provides foundational features like a robust editor with code completion, syntax highlighting, refactoring tools, version control integrations, terminal, debugger, and plugin architecture. Since it’s open, community developers can contribute to language supports, UI tweaks, and platform enhancements. ...
    Downloads: 2,098 This Week
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  • 5
    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: 35 This Week
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  • 6
    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: 30 This Week
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  • 7
    NetPad

    NetPad

    A cross-platform C# editor and playground

    A cross-platform C# editor and playground. NetPad is a C# playground that lets you run C# code instantly, without the hassle of creating and managing projects. Open NetPad, start coding, hit Run, and see your output immediately. It's that simple. Quickly prototype and test code snippets before incorporating them into your projects. Visualize data interactively for better insights and analysis.
    Downloads: 5 This Week
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  • 8
    Copybara

    Copybara

    Copybara: A tool for transforming and moving code between repositories

    Copybara is an open source code transformation and migration tool developed by Google for synchronizing and managing source code across multiple repositories. It allows developers to transform, filter, and move code between repositories while maintaining a consistent source of truth. Copybara is particularly useful in workflows where projects maintain both confidential (internal) and public (open source) repositories, enabling controlled synchronization and contribution management between them. ...
    Downloads: 293 This Week
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  • 9
    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: 33 This Week
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  • 10
    JUCE

    JUCE

    JUCE is an open-source cross-platform C++ application framework

    JUCE is an open-source cross-platform C++ application framework for creating high-quality desktop and mobile applications, including VST, VST3, AU, AUv3, RTAS and AAX audio plug-ins. JUCE can be easily integrated with existing projects via CMake, or can be used as a project generation tool via the Projucer, which supports exporting projects for Xcode (macOS and iOS), Visual Studio, Android Studio, Code::Blocks and Linux Makefiles as well as containing a source code editor. ...
    Downloads: 13 This Week
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  • 11
    Azure Data Studio

    Azure Data Studio

    A data management tool that enables working with other SQL tools

    Azure Data Studio is a cross-platform database tool for data professionals who use on-premises and cloud data platforms on Windows, macOS, and Linux. Azure Data Studio offers a modern editor experience with IntelliSense, code snippets, source control integration, and an integrated terminal. It's engineered with the data platform user in mind, with the built-in charting of query result sets and customizable dashboards. Use Azure Data Studio to query, design, and manage your databases and data...
    Downloads: 238 This Week
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  • 12
    Apache NetBeans

    Apache NetBeans

    Apache NetBeans

    Apache NetBeans is much more than a text editor. It highlights source code syntactically and semantically, lets you easily refactor code, with a range of handy and powerful tools. Apache NetBeans provides editors, wizards, and templates to help you create applications in Java, PHP and many other languages. Apache NetBeans can be installed on all operating systems that support Java, i.e, Windows, Linux, Mac OSX and BSD. Write Once, Run Anywhere, applies to NetBeans too.
    Downloads: 206 This Week
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  • 13
    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: 20 This Week
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  • 14
    AvaloniaEdit

    AvaloniaEdit

    Avalonia-based text editor (port of AvalonEdit)

    This project is a port of AvalonEdit, a WPF-based text editor for Avalonia.
    Downloads: 2 This Week
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  • 15
    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
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  • 16
    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. Textadept is an ideal editor for programmers who want endless extensibility without...
    Downloads: 7 This Week
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  • 17
    Visual Studio Code

    Visual Studio Code

    Modern IDE and code editor from Microsoft for Mac, Windows, and Linux

    Visual Studio Code combines the simplicity of a code editor with what developers need for their core edit-build-debug cycle. It provides comprehensive code editing, navigation, and understanding support along with lightweight debugging, a rich extensibility model, and lightweight integration with existing tools. Visual Studio Code is a distribution of the Code - OSS repository with Microsoft-specific customizations released under a traditional Microsoft product license. Visual Studio Code is...
    Downloads: 80 This Week
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  • 18
    Lapce

    Lapce

    Lightning-fast and Powerful Code Editor written in Rust

    Lapce is a GUI-based, next‑generation code editor written in Rust, using native GPU-accelerated rendering (via Floem and wgpu). It aims to deliver VS Code–level productivity with minimal latency, built-in LSP support, modal editing, remote development capabilities, and WASI‑based plugin extensibility.
    Downloads: 6 This Week
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  • 19
    Blockly

    Blockly

    The web-based visual programming editor

    The Blockly library adds an editor to your app that represents coding concepts as interlocking blocks. It outputs syntactically correct code in the programming language of your choice. Custom blocks may be created to connect to your own application. Blockly in a browser allows web pages to include a visual code editor for any of Blockly's five supported programming languages, or your own. Blockly plugins are self-contained pieces of code that add functionality to Blockly. Blockly codelabs...
    Downloads: 69 This Week
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  • 20
    Fast Binary Encoding (FBE)

    Fast Binary Encoding (FBE)

    Fast Binary Encoding is fast and universal serialization solution

    Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, and Swift. Fast Binary Encoding allows to description of any domain models, business objects, complex data structures, client/server requests & responses and generate native code for different programming languages and platforms.
    Downloads: 0 This Week
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  • 21
    Phoenix Code Editor

    Phoenix Code Editor

    Phoenix is a modern open-source Code Editor for the web

    Phoenix is a modern open-source and free software code editor for the web, built for the browser.
    Downloads: 20 This Week
    Last Update:
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  • 22
    MudBlazor

    MudBlazor

    Do more with Blazor, utilizing CSS and keeping Javascript to a minimum

    Trusted by thousands of users, from hobby developers to large enterprises. Use MudBlazor to rapidly build amazing web applications without leaving your loved C# language and toolchain. We bring together everything that's required to build amazing Blazor applications that scale from desktop to mobile. Apart from the library itself we also provide templates, a learning platform, theme manager, demo and example projects as well as an online code editor integrated with our documentation and...
    Downloads: 1 This Week
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  • 23
    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: 28 This Week
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  • 24
    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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  • 25
    Void Editor

    Void Editor

    Open source AI IDE and Cursor alternative

    Void is an open-source, AI-powered code editor built as a fork of Visual Studio Code. Designed as a fully transparent and privacy-focused alternative to Cursor or GitHub Copilot, it lets you use AI models locally or via APIs (OpenAI, Claude, Gemini, Ollama, etc.)—without routing data through proprietary servers. Developed by YC-backed startup Glass Devtools, it supports traditional coding features inherited from VS Code, enhanced with in-editor LLM capabilities—autocomplete, inline quick edits, and chat agents, all while giving developers total prompt and data control.
    Downloads: 20 This Week
    Last Update:
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