Open Source C# Software
Sort By:
C# Software
Browse free open source C# Software and projects below. Use the toggles on the left to filter open source C# Software by OS, license, language, programming language, and project status.
-
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
-
Dominate AI Search ResultsAthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Google AI, and more.
-
1
KeePass
A lightweight and easy-to-use password manager
KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.">
-
2
NAPS2 - Not Another PDF Scanner
Scan documents to PDF and other file types, as simply as possible.
Visit NAPS2's home page at www.naps2.com. NAPS2 is a document scanning application with a focus on simplicity and ease of use. Scan your documents from WIA- and TWAIN-compatible scanners, organize the pages as you like, and save them as PDF, TIFF, JPEG, PNG, and other file formats. Available on Windows, Mac, and Linux. NAPS2 is currently available in over 40 different languages. Want to see NAPS2 in your preferred language? Help translate! See the wiki for more details. -
3
Pidgin IM
A universal instant messaging (IM) program
See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses. -
4
PNotes is light-weight, flexible, skinnable manager of virtual notes on your desktop. It supports multiple languages, individual note's settings, transparency and scheduling. Absolutely portable as well - no traces in registry. PNotes.NET edition requires .NET framework 4 Client Profile
-
AI-based, Comprehensive Service Management for Businesses and IT ProvidersChangeGear provides IT staff with the functions required to manage everything from ticketing to incident, change and asset management and more. ChangeGear includes a virtual agent, self-service portals and AI-based features to support analyst and end user productivity.
-
5
Sucrose
Sucrose Wallpaper Engine
Sucrose is a versatile wallpaper engine that brings life to your desktop with a wide range of interactive wallpapers. -
6
FCKeditor
FCKeditor (retired)
FCKeditor is the previous version of CKEditor and has been discontinued after version 2. The new CKEditor is redesigned from the ground up, offering more WYSIWYG text editing features, enhanced security and better integration. Don’t force yourself with retro FCKeditor. Switch to the new, cool CKEditor at ckeditor.com -
7
MediaPortal
Turn your PC into a very advanced MediaCenter/HTPC
MediaPortal turns your PC into a very advanced MediaCenter / HTPC. It allows you to listen to your favorite music & radio, watch and store your videos and DVDs, view, schedule and record live TV as a digital video recorder and much much more -
8
SystemTrayMenu
SystemTrayMenu - Browse and open your files easily
SystemTrayMenu is an open source 'Desktop Toolbar' or 'Start Menu' alternative. It offers a clear, personalized menu which can be controlled via keyboard, mouse or touchscreen. Files, links and folders are organized in several levels as dropdown menus. Various options like appearance, hotkey, autostart and behavior can be adjusted. It is written in C# and using .NET 7. SystemTrayMenu is portable, so it does not need to be installed. After downloading the zip file, unzip the folder, then start SystemTrayMenu.exe. After starting the application the first time you have to choose the root directory. In this directory you should put shortcuts, files and folders (App, Game, Script, URL, Network), which you are often using and especially when you can not find them over the windows start menu search. You can also consider to put there all files from your desktop. If you have ideas, questions or a problem you can contact the developer Markus Hofknecht via GitHub or email. -
9
Process Manager for Windows (PMW)
A easy to use task manager that lets you control your apps
Process Manager for Windows is a smart Task Manager that lets you manage priority, transparency, visibility of your processes with few clicks. It lets you kill one process or all processes in with just shortcut key and let you gain control of your unresponding windows computer and let you regain all the resources back, of course when killing apps you always have the risk of losing the unsaved data. ================= This tool flourished from 2008 to 2013, and was downloaded over 200K times, However, it was decommissioned in 2013 by the sole developer Arif Ali Saiyed This tool was free with optional donations to milaap.org that raised about $1400 and just that small amount helped 15,372 needy people through microlending and created a new source of income stream for 3401 entrepreneurs. Check out the link below to see the impact you all made by donating. https://milaap.org/users/6877/impact -
Network Management Software and Tools for Businesses and Organizations | Auvik NetworksReduce IT headaches and save time with a proven solution for automated network discovery, documentation, and performance monitoring. Choose Auvik because you'll see value in minutes, and stay with us to improve your IT for years to come.
-
10
PicView
Fast, free and customizable picture viewer
PicView is a fast, free and fully customizable picture viewer for macOS and Windows 10/11. It supports virtually all image file types, including (animated) WEBP, (animated) GIF, SVG, AVIF, HEIC, PSD and many others. Additional features includes viewing EXIF metadata, image compression, batch resizing, viewing images within archives and comic books, image effects, image galleries, and more. Enjoy a clean, free, and fast experience with no annoying pop-ups, and zero tracking. It works out of the box — or you can customize it to your needs. Available in portable and installable versions. -
11
Glint Translator is a high-performance Windows tool designed for real-time in-game translation without interrupting your gameplay. It supports 240+ languages via DeepL, Google, OpenAI, and Azure APIs, with a UI localized in 13 languages. Key Features: 3 Translation Modes: Fluent (parallel view), Area (local overlay), and Full Screen (intelligent text detection). Speaker System: Automatically identifies and color-codes speaker names while preserving proper nouns. Glint AI: Personalize your experience with custom word libraries and term exclusions for consistent terminology. Profile System: Save game-specific settings, overlay styles, and AI libraries for one-click loading. Native Performance: Optimized for Windows 10/11 with asynchronous screen capture and minimal CPU/RAM impact. Break language barriers instantly and enjoy games in your native tongue with Glint Translator's seamless, non-intrusive architecture.
-
12
With ( AV Tag Editor ) you can see and edit tag of files , search for lyrics, cover art, album information and subtitle and Batch Tag Edit (Edit multiple file tags at once).
-
13
Mail Notifier
Mail Notifer for Windows
Mail Notifier is free, modern email notifier with the latest user interface trends for Windows 10/11. It supports multiple accounts and IMAP/POP3 protocols. Enjoy customizable notifications, message previews, and more, all in 34 languages! For more details, please refer to the readme.txt file (Files tab, description below). Note: Gmail support is currently unavailable due to verification requirements by Google. Note: Outlook.com support is currently unavailable due to moving to OAuth2 authentication from login/password at Outlook servers. -
14
Greenshot - Screen Recorder
A free and open source screenshot tool optimized for productivity
Greenshot is a lightweight screenshot software tool for Windows that quickly creates screenshots of a selected region, window, or full screen; you can even capture complete (scrolling) web pages from Internet Explorer. Greenshot easily annotates, highlights, or obfuscates parts of the screenshot. Greenshot also exports screenshots in various ways: save to file, send to printer, copy to clipboard, attach to e-mail, send Microsoft Office programs, or upload to photo sites like Flickr or Picasa. And Greenshot has a lot more options, to simplify the creation of, and work with, screenshots every day. Overall, Greenshot is easy to understand and configurable, that's why it is an efficient tool for project managers, software developers, technical writers, testers, and anyone else creating screenshots. -
15
A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
-
16
Image Comparator
Find and remove duplicate or similar images.
Image Comparator is a robust Windows desktop application designed to identify and manage duplicate or visually similar images using advanced Discrete Cosine Transform (DCT) algorithms. Unlike standard comparison tools, it effectively detects images that have been resized, compressed, or slightly modified. -
17
Full-featured, fully customizable, multilingual, skinable, multi-document web based WYSIWYG HTML editor control. Microsoft Internet Explorer, Gecko based browsers (Firefox, Netscape, Mozilla) and Opera 9 are supported.
-
18
-
19
DoSA-3D
3D open source actuator simulation software
DoSA-3D is a 3D open source software for magnetic force analysis of actuators and solenoids. Not only individuals but also companies can use the program for free and participate in the development of it themselves. The program environment is developed to be similar to that of product development, so even product developers who have not majored in analysis can easily analyze the magnetic force of actuators. In DoSA-3D, three programs are connected and operated as follows. - DoSA-3D : Provides an easy working environment for developer - GetDP: Magnetic force calculation - Gmsh : Provides Pre/Post, Mesh Therefore, the installation process may be somewhat complicated. Please refer to the installation guide video and installation help file below for installation. - Installation guide video: https://youtu.be/7CGu60M-r9Y - Installation help file: https://solenoid.or.kr/data/DoSA-3D_Install_Guide_ENG.pdf - Project homepage : https://solenoid.or.kr/index_dosa_open_3d_eng.html -
20
BLAZAM
AD Web Management Platform
Blazam is a web app that lets you manage Active Directory, even from your phone. You can delegate account functions and let your users manage Active Directory objects. Blazam also has user templates, photo management, and recycle bin access. For most up to date info, see https://blazam.org -
21
Aja-PHM Studios
Aja PHM Studios is a Superwikia codesmith community.
Aja PHM Studios is a Superwikia codesmith community that builds and maintains 3D portfolios and content for startup semicoms. -
22
Confluencer is a FrontEnd of Atlassian Confluence. It's written in Delphi 7 Ent using Confluence Remote API. Confluencer.NET is written in C#. http://confluence.atlassian.com/display/CONFEXT/Confluencer
-
23
CreateBackend
Production of database structures and Visual Studio solutions
Production of database structures and Visual Studio solutions. The CreateBackend Product, creates databases for SqlServer, Oracle, MySql, SQLite. The CreateBackend Product, creates scripts for creating databases for SqlServer, Oracle, MySql, SQLite. The CreateBackend Product, creates Visual Studio solution from or for database structures for SqlServer, Oracle, MySql, SQLite. The CreateBackend Product runs on x86 and x64 systems -
24
DoSA-2D
2D open source actuator simulation software
DoSA-2D is a two-dimensional open source software for magnetic force analysis of actuators and solenoids. Not only individuals but also companies can use the program for free and participate in the development of it themselves. The program environment is developed to be similar to that of product development, so even product developers who have not majored in analysis can easily analyze the magnetic force of actuators or solenoids. DoSA-2D is responsible for an easy working environment for developers, and magnetic force calculation is connected to FEMM, a two-dimensional magnetic analysis S/W. Therefore, the installation process may be somewhat complicated. Please refer to the installation guide video and installation help file below for installation. - Installation guide video: https://youtu.be/323tNuSe6DI - Installation help file: https://solenoid.or.kr/data/DoSA-2D_Install_Guide_ENG.pdf - Project homepage : https://solenoid.or.kr/index_dosa_open_2d_eng.html -
25
Friendly Palette Generator
Palette generator based on grayscale values
Friendly Palette Generator (FPG) is a tool that generates color palettes based on grayscale values. The colors produced match their grayscale equivalents, ensuring that no two colors in the palette have the same luminance. Colors that appear distinct to one person can be challenging to differentiate for individuals with color vision deficiencies or in specific visual conditions. FPG's color palettes are designed to be distinguishable, making them accessible to a broader range of users.