Open Source C# Software for Mac

Browse free open source C# Software for Mac and projects below. Use the toggles on the left to filter open source C# Software for Mac by OS, license, language, programming language, and project status.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You 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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  • Tricentis qTest for Unified Software Test Management Icon
    Tricentis qTest for Unified Software Test Management

    For software testing teams

    Scalable test management, operations, and analytics to centralize testing and orchestrate quality at speed, with visibility throughout the software development lifecycle.
    Learn More
  • 1
    KeePass

    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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    Downloads: 233,426 This Week
    Last Update:
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  • 2
    Pidgin IM

    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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    Downloads: 6,472 This Week
    Last Update:
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  • 3
    NAPS2 - Not Another PDF Scanner

    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.
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    Downloads: 563 This Week
    Last Update:
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  • 4
    PicView

    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.
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    Downloads: 143 This Week
    Last Update:
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  • Smart, Efficient, and Anonymous People Counting Solutions Icon
    Smart, Efficient, and Anonymous People Counting Solutions

    Capture your visitor traffic and draw insights from your data with right-sized footfall counters, app and a cloud-based analytics platform

    We help Retailers, Libraries, Casinos, Universities, Places of worship, Office buildings, and other industries to analyze and take action on their people traffic trend.
    Learn More
  • 5
    FCKeditor

    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
    Downloads: 16 This Week
    Last Update:
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  • 6
    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.
    Downloads: 1 This Week
    Last Update:
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  • 7
    The Official port of the STUNNING! CMS/CMFx "Drupal" to the .NET Framework. Combining The greatest open source CMS with the greatest development platform. It will have the same architecture and will support Drupal modules & themes out of the box.
    Downloads: 0 This Week
    Last Update:
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  • 8
    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.
    Downloads: 0 This Week
    Last Update:
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  • 9
    We provide a Hebrew version of Mozilla Firefox, Mozilla Thunderbird, SeaMonkey and Mozilla Application Suite. SeaMonkey/Mozilla Suite are also available for download from here, while the latest Firefox & Thunderbird are available only from mozilla.com.
    Downloads: 0 This Week
    Last Update:
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  • Flexible scheduling software to help you succeed Icon
    Flexible scheduling software to help you succeed

    For Professionals and small to mid-sized businesses

    With seamless client scheduling, secure payments, and workflow automation, all you have to do is show up on time.
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  • 10
    VCD-db is an web based movie catalog software. It supports multiple users to collect, manage and work with their media catalog. New movies can easily be added through several methods, for example by fetching data straight from websites such as imdb.com
    Downloads: 0 This Week
    Last Update:
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