Open Source C# Software
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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.
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Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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Our Free Plans just got better! | Auth0You 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 security. Auth0 now, thank yourself later.
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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. -
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Bulk Crap Uninstaller
Remove large amounts of unwanted applications quickly.
Bulk Crap Uninstaller (in short BCUninstaller or BCU) is a free (as in speech and beer) bulk program uninstaller with advanced automation. It excels at removing large amounts of applications with minimal to no user input, while requiring next to no technical knowledge. It can detect most applications and games (even portable or not registered), clean up leftovers, force uninstall, automatically uninstall according to premade lists, and much more. Bulk Crap Uninstaller is licensed under Apache 2.0 open source license, and can be used in both private and commercial settings for free and with no obligations, as long as no conditions of the license are broken. -
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gPhoto is a program and library framework that lets users download pictures from their digital cameras. The libgphoto2 library gives you access to hundreds of models of digital cameras on several platforms. GIT repo and Issue tracker lives at https://github.com/gphoto/ these days.
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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. -
Gen AI apps are built with MongoDB AtlasMongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
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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. -
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SharpDevelop
A free IDE for C#, VB.NET, & Boo projects on Microsoft's .NET platform
SharpDevelop is the open-source IDE for the .NET platform. Write applications in languages including C#, VB.NET, F#, IronPython and IronRuby, as well as target rich and reach: Windows Forms or WPF, as well as ASP.NET MVC and WCF. It starts from USB drives, supports read-only projects, comes with integrated unit and performance testing tools, Git, NuGet and a lot more features that make you productive as a developer. -
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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
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Developer's Image Library
A full featured cross-platform image library
Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease. -
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Git Extensions
Git Extensions is a standalone UI tool for managing git repositories.
Git Extensions is now hosted on GitHub ============================== Please update your bookmarks and use the links below for downloading and reporting issues. * Download latest version (Windows only): https://github.com/gitextensions/gitextensions/releases/latest * Download latest cross-platform version (Windows and Linux/Mac): https://github.com/gitextensions/gitextensions/releases/v2.51.05 * Issue tracker: http://github.com/gitextensions/gitextensions/issues * Source code: http://github.com/gitextensions/gitextensions * Online manual: https://git-extensions-documentation.readthedocs.org/en/latest/ -
AI-generated apps that pass security reviewRetool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
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Ascii Generator 2 (Ascgen2) is an application to convert images into high quality ASCII art - text that accurately represents the original image. The only program of its kind to support variable width fonts and real-time output adjustment and more.
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GEDKeeper
GEDKeeper - opensource and crossplatform genealogy management program
GEDKeeper program is developed for work with personal genealogical database. The program is designed for extremely simple and intuitive interface. The program is very easy to install on the computer, fully supports the GEDCOM format, has no restrictions on the number of persons and generations, allows you to generate pedigrees, building several tree species, as well as print and save their images, provides fast navigation, filtering, searching and adding multimedia materials. In addition there is an output of geographic data on Google maps (© Google). The aim of the program is as quick and effective means of conducting personal genealogical database. We invite native speakers to improve the translation of the program on the Crowdin platform: https://crowdin.com/project/gedkeeper Project is published on GitHub, url: https://github.com/Serg-Norseman/GEDKeeper -
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Sucrose
Sucrose Wallpaper Engine
Sucrose is a versatile wallpaper engine that brings life to your desktop with a wide range of interactive wallpapers. -
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Diagnostic application for Magneti-Marelli IAW 8F/16F/18F/04K ECUs written in C# for .NET 2.0
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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 -
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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 -
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ChronosXP is a planetary hours astrology program for Windows. It runs from the system tray where it displays a glyph corresponding to the current planetary hour. Planetary hours/days can also be viewed for any given time or location.
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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. -
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Galinette cendrée
Administration Remote Desktop Service - TSAdmin
Remote Desktop Service - User Profile Disks - TSAdmin Administration des terminaux légers dans un environnement RDS. Galinette cendrée est un outil destiné aux administrateurs d’architecture RDS Terminal Server. Sa fonction première est de gérer les sessions RDP/TSE des utilisateurs via une interface simple. Il permet de remplacer « TSAdmin » ou le « Gestionnaire de service de bureaux à distance ». - Gestion des sessions RDP pour un serveur Broker (Bureau à distance et Remote App) - Gestion des profils VHD et VHDX pour un partage UPD. - Gestion des profils FSLOGIX - Prise de contrôle via le mode Shadow Session - Prise de contrôle via un logiciel tiers installé sur le terminal (VNC…) - Intégration avec Active Directory - Interrogation LDAP des utilisateurs AD - Interrogation WMI du terminal - Gestion des processus pour un utilisateur - Envoyer des messages pour un serveur ou un utilisateur -
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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 -
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ONLYOFFICE Workspace
A Comprehensive Alternative to Office 365 for Business
ONLYOFFICE Workspace is an open-source business platform that addresses collaboration challenges for both small and medium-sized teams and large enterprises. Available in 27 languages, ONLYOFFICE Workspace increases the overall performance of any team no matter how remote the members are located. It provides tools and apps for AI-powered document editing and co-authoring, file management, project and task planning, email management, CRM management and online communication, all available within one platform. ONLYOFFICE Workspace allows for the optimization of your business processes from lead generation to order fulfillment. Combining a versatile set of tools, ONLYOFFICE Workspace helps entities in any field, from retail sales to industrial engineering and banking. The broad access permission settings make the platform an ideal choice for any executive striving for business excellence and. ONLYOFFICE Workspace offers self-hosted deployment and a vast array of security features. -
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FileSearch is a multi-threaded documents searcher. No indexes need to be updated ; no background service is required. The more you have drives the more search speed is increased thanks to its multi-threading technic.
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RemoteCalendars is a COM-.NET Add-in for Outlook 2003/2007, written in C#. After installing this plugin, every Outlook user should be able to subscribe, reload and delete a generic remote iCalendar (RFC 2445) from Outlook 2003/2007.
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Little Registry Cleaner is an open source program designed for Microsoft's Windows Registry. Its purpose is to remove obsolete or unwanted items that build up in the registry over time in order to improve the stability & performance of your computer
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RSS Builder is an easy to use program for creating and publishing news feeds and podcasts. You can use local RSS files, but there is also an option to edit the RSS feeds on your web site without keeping a local copy.
