Open Source C# Productivity Software

C# Productivity Software

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

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  • 1
    LKY Office Tools

    LKY Office Tools

    Automate downloading, installing, and activating Office versions

    LKY_OfficeTools is an open‑source, green (ad‑free), and safe .NET tool that automates downloading, installing, and activating legitimate Microsoft Office versions. It provides both console and GUI (Mocreak) versions for seamless, one‑click Office deployment. Supports optional components installation: Word, Excel, PowerPoint, Outlook, OneNote, Access, Visio, Project, Publisher, Teams, OneDrive, Skype, etc. Detects system architecture and downloads matching Office builds. Supports at least 43 UI languages and multiple installation methods (online or local).
    Downloads: 6 This Week
    Last Update:
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  • 2
    Old Win32 Notepad

    Old Win32 Notepad

    Old Windows Notepad remake

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    Downloads: 118 This Week
    Last Update:
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  • 3
    EyeRest

    EyeRest

    A lightweight Windows tray application for the 20–20–20 rule

    EyeRest is a simple, open-source desktop utility designed to help users maintain healthy eye habits by reminding them to take regular breaks from screen time based on customizable intervals. The application sits quietly in the system tray and uses gentle pop-up notifications or full-screen break prompts to encourage users to rest their eyes, follow the 20-20-20 rule, or complete other scheduled pauses without disrupting workflow. Users can configure how often reminders appear, how long breaks should last, and define quiet hours when reminders are paused — making it adaptable for both focused work and creative sessions. EyeRest typically includes motivational or instructional content during breaks to reinforce good ergonomics, promoting reduced eye strain, improved focus, and overall wellness for anyone who spends extended periods at a computer.
    Downloads: 1 This Week
    Last Update:
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  • 4
    VRTK

    VRTK

    An example of how to use the Tilia packages to create great content

    VRTK is a collection of useful, reusable solutions to common problems found when building for virtual reality. VRTK aims to help productivity by speeding up the creation process from prototyping ideas to building complete solutions. The passion behind VRTK is to try and enable as many people as possible to build for VR, from seasoned developers to complete beginners who have a wonderful idea in their head but are unsure of how to create it. VRTK aims to be easy to understand so the absolute beginner can feel comfortable turning their creative thoughts into experiences but it also has enough power and flexibility to allow developers to really build out their perfect solution with little friction and without constantly re-inventing the wheel. Virtual reality is a relatively new medium so no one really understands what truly works or what doesn't work in terms of solutions, so VRTK aims to bring a community of diverse people from all across the world together to work on solving this.
    Downloads: 1 This Week
    Last Update:
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  • 5
    Free Countdown Timer and Stopwatch Timer

    Free Countdown Timer and Stopwatch Timer

    A high resolution Countdown Timer and Stop Watch in .NET

    A high resolution Countdown Timer and Stop Watch written in C# .NET that pop up a message box with user defined message and play user specified sound when time is up. It use a QueueTimer (via PInvoke) for high resolution timing and System.Timers.Timer for normal resolution. It also allow users to save, load and remove current state to/from a XML file.
    Downloads: 6 This Week
    Last Update:
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  • 6
    Steam Game Idler

    Steam Game Idler

    Farm Steam trading cards, manage achievements, and idle games

    Farm Steam trading cards, manage achievements, and idle games automatically — an all-in-one alternative to ArchiSteamFarm, Steam Achievement Manager, and Idle Master https://steamgameidler.com
    Downloads: 22 This Week
    Last Update:
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  • 7
    NeatShift

    NeatShift

    Advance File managing & relocating tool

    NeatShift is a Windows utility designed to solve a common problem: moving large applications, games, or folders to a different drive without breaking the shortcuts and application paths that depend on them. When a program is installed, its location is registered with the operating system. Simply moving the folder to a new drive will cause the program to stop working. NeatShift provides a robust solution by relocating the folder and then creating a Symbolic Link in its original place. This link is a powerful type of shortcut that is transparent to the operating system, redirecting any request from the old path to the new location seamlessly.
    Downloads: 11 This Week
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  • 8
    MiniMax Timer

    MiniMax Timer

    Customizable countdown timer

    The MiniMax Timer is a simple timer application which, for now, only counts downward. It has the following customizable features: - always on top - fullscreen - timer font, text color and background color - display a customizable text when the timer ends - timer's size and location - timer control shortcuts The settings (positions, colors, sizes) are automatically saved upon exiting the program.
    Downloads: 19 This Week
    Last Update:
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  • 9
    Virtual Trainer

    Virtual Trainer

    A tool for personal trainers and fitness enthusiasts.

    Currently: *Source code now available in the form of a Visual Studio 2015 project (zipped).* 1) Calculate BMI, daily caloric intake, target heart rate, maximum and training poundage, and ideal proportions based upon joint measurements. 2) Record and recall measurements and progress using the Basic Information tab. 3) Create, Manage, Export, and Import custom foods/exercises lists using the appropriate tabs. 4) Store and recall workout and diet log records by date. Future Improvements (in the works): * Diet and Workout tab improved functionality.
    Downloads: 19 This Week
    Last Update:
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  • 10
    Notepad X
    Notepad X is an alternative open source text editor for Microsoft Windows, with a lot of customization options created to help users managing text documents featuring tab navigation.
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    Downloads: 6 This Week
    Last Update:
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  • 11
    Sleep#: Save Power. No More Noise!

    Sleep#: Save Power. No More Noise!

    Send computer to sleep after VLC, WMP, Google Play Movies & TV

    *** For the latest v5 with integrated YouTube Web (controllable with the YouTube app on your phone) please download from https://www.microsoft.com/en-gb/p/sleep/9ppgrg6t7dcj *** Do you use your computer for playback of films, streamed TV etc. before going to sleep? In these cases, Windows' sleep functionality is suspended and won't kick in once the video has finished. The solution for many is to use a sleep timer to send the computer to sleep after the estimated amount of time of the video. But you need to remember to do this every time. Sleep# handles this automatically: Sleep# sends your computer to sleep after the playback of fullscreen video, providing Windows has been idle for a predefined amount of time. There is a grace period at the end of the fullscreen video before sending your computer to sleep, allowing you to interrupt the process should you still be awake. Sleep# works with VLC media player, Windows Media Player, Google Play Movies & TV amongst others.
    Downloads: 3 This Week
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  • 12

    Outta Timer

    Versatile countdown timer/stopwatch for Windows

    Outta Timer is a versatile egg timer style application for Windows. Based on the .NET framework, this program allows users to set a single countdown timer, save a list of frequently used countdown timers, or simply count up from zero. The timer playlist can be run in sequence, which is perfect for scripted situations like presentations, or time-sensitive choreographed events like broadcast scheduling and event management. This application was developed in the first place as an aide for benchmarking processes that required many different time intervals. User created playlists can be saved and imported, insuring you always have the right set of timers for the occasion. Future features may include PowerPoint integration and actionable triggers (think cron job or scheduled task) that can fire after a given timer expires. Ultimately the goal is for this to become a must-have utility in everyone's 'Accessories' folder.
    Downloads: 4 This Week
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  • 13

    Star Spotify Alarm Clock

    This is a lightweight Windows application developed to use Spotify as

    What is this? Star Spotify Alarm Clock is a lightweight windows software to run Spotify, play the playlist/artist/album/track of your choise and smoothly fade in the computers volume in the amount of time you desire. Star Spotify Alarm Clock is completely open source, both source code and software and free to use, both for comercial and personal purposes. How do I use it? Just download the software from here unzip it into the folder of your choise and run "StarSpotifyAlarmClock.exe" to se witch attributes you need to send to the application. I also recomend you to create a Windows scheduled task that runs the software at your desired wakeup time and with the arguments needed.
    Downloads: 9 This Week
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  • 14
    WatchTheClock

    WatchTheClock

    Portable stopwatch and countdown timer for Windows

    Portable stopwatch, countdown timer and alarm clock for Windows (.NET 4.0 required). See features below. WatchTheClock Changeset: v0.6 ------------- alarm clock progress state for countdowns additional window title support mail address v0.5 ------------- start buttons are default -> clicked when enter is pressed navigation through tabs with CTRL + TAB is now working on startup input fields on countdown tab select all text on focus via keyboard; to select all via mouse double click v0.4 ------------- small layout changes, to make it look nice in windows 7 v0.3 ------------- added multiple icon sizes added some error handling if .NET is missing v0.2 ------------- bring window to front if countdown time is up v0.1 ------------- initial version If you like this tool, please donate. Visit http://www.informatik-pc.de/blog/watchtheclock
    Downloads: 7 This Week
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  • 15
    XFolder

    XFolder

    a modern file manager designed specifically for macOS

    XFolder is a modern file manager designed specifically for macOS. It integrates core features such as multi-pane views, a smart directory tree, and multi-tab management, aiming to provide a more efficient and flexible file browsing experience than Finder.
    Downloads: 5 This Week
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  • 16
    TotesNotes

    TotesNotes

    Simple Popup Notes

    I was tired of always having to start a new instance of notepad to take a note of something during my busy work day. All the other note applications seem very bulky and didn't really work with the fast pace that I work at. So... I made TotesNotes!. Click the little tray icon and up pops a note pad to pop text into. There are even a few tabs if you want to seperate them a little bit. * Requires .NET 4.5 Note : If you dont see the icon in your tray, just drag it next to your clock. It should stay there for future use. Feel free to add ideas and suggestions to the discussion group.
    Downloads: 1 This Week
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  • 17
    SBR - Simple Break Reminder
    Sitting at a computer for long periods of time brings with it significant health risks. Back and neck pain, carpal tunnel syndrome, eye strain, dry eye syndrome, shoulder and elbow pain, and more. In order to eliminate or at least significantly reduce these problems, it is necessary to take safety breaks when working with a PC. And here comes SBR - Simple Break Reminder - an application that will notify you that you have been sitting at a PC for too long and need to take a break. The application also has a simple ToDo manager for managing your tasks. Simple Break Reminder also supports the Pomodoro technique. Free software - free for any personal or commercial use.
    Downloads: 3 This Week
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  • 18
    A simple .NET console application. When run, it asks how long the timer should run for (or specify on the command line). When the timer hits zero, the PC speaker beeps continuously until you stop it (or a user defined time limit runs out).
    Downloads: 2 This Week
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  • 19

    mypc

    show mypc tool

    the best pc tool
    Downloads: 2 This Week
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  • 20

    Alarm

    A simple reminder tool for your pc.

    Reminds your important events, and also access the system uptime by simply mouse over on the icon in system tray.
    Downloads: 1 This Week
    Last Update:
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  • 21
    Little Alarm Clock
    Little Alarm Clock is an open source program that features a snooze button, automatic startup, and audio file playback. It is licensed under the GNU General Public License.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Notes Keeper

    Notes Keeper

    A program for saving and organizing notes

    Notes Keeper 5.2.3.0 Don't you like your notes to be saved in the clouds, where you can't control. Do you like to have all your notes with you. Then you need Notes Keeper. A program for saving and organizing notes Notes Keeper will let you create notes, format them in all ways. You can add files, images, text and very basic tables to the notes. Change sentences/words cases and lock them from other people. Organize your notes with folders and tree. After you finish export your note(s) to a text file or rtf file, print it from your printer, or send it as email or attachment to you family or friends. Its free. Not like any other note taking software. feel free to report any bugs .NET 4.6 and Microsoft Visual C++ 2015 Update 3 runtime are needed to run Notes Keeper
    Downloads: 1 This Week
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  • 23
    This program is an alarm clock, which is configurable. It is simple to use. It is compatible with Windows and Linux. It uses gstreamer to play files in Linux. It is coded in C# and runs in mono on Linux. It support multiple languages.
    Downloads: 1 This Week
    Last Update:
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  • 24
    SafeNotes - Encrypted Journaling

    SafeNotes - Encrypted Journaling

    SafeNotes - A encrypted and easy-to-use journaling application

    SafeNotes is an encrypted and user-friendly note-taking application designed to keep your personal notes and journal entries safe and organized. With SafeNotes, you can easily create, edit, and manage your notes, all while ensuring your data is protected through robust AES-256 encryption and password hashing. The app features a sleek and intuitive interface built with MaterialSkin, offering light and dark themes to suit your preferences. SafeNotes is perfect for anyone looking to keep their notes and journal entries secure and organized. Download SafeNotes today and experience the peace of mind of knowing your personal information is safe.
    Downloads: 1 This Week
    Last Update:
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  • 25
    zTimer is a portable and tiny (59 KB) program which really helps to control run time of tasks and doing them more quickly. It shows countdown timer and two seconds counters on a small always-on-top window.
    Downloads: 1 This Week
    Last Update:
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