Browse free open source Countdown Timers and projects below. Use the toggles on the left to filter open source Countdown Timers by OS, license, language, programming language, and project status.

  • Orchestrate Your AI Agents with Zenflow Icon
    Orchestrate Your AI Agents with Zenflow

    The multi-agent workflow engine for modern teams. Zenflow executes coding, testing, and verification with deep repo awareness

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  • 1
    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: 20 This Week
    Last Update:
    See Project
  • 2
    Time_limit

    Time_limit

    A windowed/full-screen countdown timer.

    A windowed / full-screen countdown timer. Colour and font size changes are used as warnings. Progress-bar gives a glance at the time stream. Three different modes are available: - time left; - time passed; - ordinary clock. When the time is over several possibilities are available: - to show the defined message; - to continue count the time; - to launch another application; - to close the count-down timer. Useful for speech, lecture or presentation timing. Colour / font / time limits can be changed using settings window and hot-keys. To change current time use the mouse wheel. By clicking on progress-bar, the timer mode is toggled.
    Downloads: 20 This Week
    Last Update:
    See Project
  • 3
    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.
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    Downloads: 28 This Week
    Last Update:
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  • 4
    Timepiece

    Timepiece

    Alarm Clock for Your Desktop

    Timepiece is an alarm clock that runs on your desktop and includes a stopwatch and a countdown timer. All three timepieces can run simultaneously. You can choose your own sound file to start playing at the set alarm time. The sound for the countdown timer is also customisable. The alarm clock has a snooze feature.
    Downloads: 7 This Week
    Last Update:
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  • Failed Payment Recovery for Subscription Businesses Icon
    Failed Payment Recovery for Subscription Businesses

    For subscription companies searching for a failed payment recovery solution to grow revenue, and retain customers.

    FlexPay’s innovative platform uses multiple technologies to achieve the highest number of retained customers, resulting in reduced involuntary churn, longer life span after recovery, and higher revenue. Leading brands like LegalZoom, Hooked on Phonics, and ClinicSense trust FlexPay to recover failed payments, reduce churn, and increase customer lifetime value.
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  • 5
    BitCrazy's Faucet-in-a-Box Mod

    BitCrazy's Faucet-in-a-Box Mod

    Mod of the original Faucet-in-a-Box faucet PHP script

    Mod of the original Faucet-in-a-Box faucet PHP script (based on its revision 69). Includes pre-installed Anti-Bot Links 5.75, full support of user balances, countdown timer and some other improvements and cool features. ======================================== Minimum requirements: PHP 5.4.4+ (5.5 recommended) MySQL (5.6 recommended) ======================================== CHANGELOG { [F] - bugfixes, [+] - new features, [!] - known issues } Current release (version 7): [+]: CACert.pem updated to latest version. [+]: FaucetHub.php was replaced with native FaucetHub library! [+]: Faucet now has page "Currency rate", where you can see USD price of selected currency. [+]: Anti-Bot Links were updated to version 5.75 [F]: + various related fixes & small changes. [!]: Script has no support for FaucetHub's "last_status" code and "checkAddress()" fn (at least, now)
    Downloads: 10 This Week
    Last Update:
    See Project
  • 6
    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
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    Downloads: 13 This Week
    Last Update:
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  • 7

    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: 2 This Week
    Last Update:
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  • 8
    Simple Countdown Timer & Stopwatch Timer

    Simple Countdown Timer & Stopwatch Timer

    A simple timer that can be used for PowerPoint presentations.

    Hotkeys: F1: About F5: Start/Pause, same as PPT play hotkey F6: Reset ESC/Alt+F4: Exit (can only be done when the window is in focus to avoid accidental closing) If you like it, Maybe you could By me a coffee ? https://bmc.link/funchan7
    Downloads: 7 This Week
    Last Update:
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  • 9
    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: 4 This Week
    Last Update:
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  • AI-First Supply Chain Management Icon
    AI-First Supply Chain Management

    Supply chain managers, executives, and businesses seeking AI-powered solutions to optimize planning, operations, and decision-making across the supply

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  • 10
    Delay Timer
    Windows console based application that will work as a countdown timer. Very useful for windows batch scripts, powershell scripts and Linux bash shell scripts This project has moved to github: https://github.com/atiq-cs/Delay-Timer
    Downloads: 2 This Week
    Last Update:
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  • 11
    Two programs, one in Java and one in Javascript, which display a configurable graphical countdown timer on a computer. Useful for testing situations and short-range anticipated events.
    Downloads: 1 This Week
    Last Update:
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  • 12
     rims-arduino-library

    rims-arduino-library

    Recirculation infusion mash system library for Arduino

    This library implement RIMS controls for home brewers. For definition of a RIMS, see https://tinyurl.com/j3lyuyc For me, an Arduino micro controller + a LCD Keypad shield was cheaper and a lot more customizable than a commercial PID controller. So, with this library, a commercial PID controller is unnecessary. Automatic PID tuning toolkit is also included. Temperature can be read with a thermistor, a resistance temperature detector (RTD) or any custom temperature probe. Heater is controlled with pulse-width modulation (PWM) of a solid-state relay (SSR). Documentation : https://tinyurl.com/y7579v6a
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    DeneDown

    DeneDown

    Timed Sleep/Hibernate/Shutdown/Restart Tool

    Sets your PC to sleep, hibernate, shutdown, or restart based on your time setting. Time may be set between 1 minute to 24 hours (in 1 minute increments). Countdown timer displays time remaining until the action occurs. This is a combined x64/x86 version. (Note: Tool is idle when time reads 0 hr:0 mins) Consider Windows 10 has changed the console "shutdown.exe" command to be active only for 30 minutes max. With DeneDown, you can extend your sleep/shutdown/hibernation period much longer, as it was in previous Windows versions. This is particularly useful when you are leaving your system to let it image the drives, but do not want to leave your PC on after completing the imaging.
    Downloads: 1 This Week
    Last Update:
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  • 14
    Desktop Timer

    Desktop Timer

    Desktop Timer is a countdown timer written on a cross-platform code.

    Desktop Timer is a Pascal code developed using Lazarus, a cross-platform RAD IDE available for WIndows, Mac, and Ubuntu (Linux). The source code can be compiled on several platforms.
    Downloads: 1 This Week
    Last Update:
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  • 15
    EasyTimeManager

    EasyTimeManager

    Effortlessly track and optimize your time with Easy Time Manager.

    Introducing Easy Time Manager, the ultimate solution for boosting your productivity and efficiently managing your time. This powerful, yet user-friendly app is completely free and ad-free, allowing you to focus on what matters most – optimizing your daily activities. Key Features: Cost-Free and Ad-Free Experience With Easy Time Manager, you can enjoy all the features and benefits without any hidden costs or annoying ads. We believe in providing a seamless and uninterrupted time tracking experience for our users. Cross-Platform Functionality Whether you're working on your desktop, laptop, tablet, or smartphone, Easy Time Manager has got you covered. Our app is available on all major platforms, allowing you to seamlessly transition between devices and keep track of your time, no matter where you are. User-Friendly Interface We understand that time management can be challenging, which is why we've designed Easy Time Manager with a straightforward and intuitive interface.
    Downloads: 1 This Week
    Last Update:
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  • 16
    Investor`s Clock

    Investor`s Clock

    The Investor's Clock shows the time in different time zones.

    The Investor's Clock shows the time in different time zones. This program was designed for Wall Street traders and investors. Inspired by the traditional trading hall setup where few clocks on the wall, each clock face shows current time in the investing center of certain region. My program is useful for persons, trading stocks from home or small office. With this program it is easy to control different time zones. Designed for Windows 7, 8.1, 10, 11 versions, only 64 bit. Don’t hesitate to ask any questions, make the suggestions or write the complaints, contact the developer by e-mail: Sergey@Bure.id.LV
    Downloads: 1 This Week
    Last Update:
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  • 17
    Pocket Clock ist a program for Pocket PC 2002/2003 on ARM or XScale CPUs. It has 4 functions from which can be choosen in the program. It can be a normal clock and dateviewer, a countdown timer, a countup timer (displays elapsed time), and a target timer
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    .NET ShutMan
    The .NET ShutMan project is a shutdown manager. You can create a countdown-timer and the program shutdown your pc when the timer is expired (up to 36 hours)! Important: You need the .Net Framework 4.0!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    A D D Timer

    A D D Timer

    A simple countdown timer

    A D D Timer, a simple timer application for Windows that helps remind you when a set time is up. The application allows you to launch multiple instances with different titles and time periods that are based on settings passed to it from an XML file.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20

    Catbell

    Full featured crossplatform countdown timer

    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    County

    County

    Very easy to use and customizable a bit countdown and stopwatch.

    County is a time measurement instrument that integrates two applications into one. County is a very customizable tool that comes included with both a countdown timer and a stopwatch. County allows the user to activate the beep when the countdown stops, or modify the counter background and foreground colors.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Desk-Timer

    Desk-Timer

    A timer for the desktop.

    Desk-Timer is a simple timer for the daily usage on the desktop. The main goal of Desk-Timer is to have a simple and easy to use timer, that provides nothing more than what it should do, while looking simple, cleaned up and neat.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Egg Timer Elite is a text command based multiple countdown timer application written in Visual C#. Supports a virtually unlimited number of countdown timers. Timers are saved between sessions and time data is stored in POSIX seconds.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A PalmOS combination countdown timer and score tracking device designed primarily for refereeing fencing bouts. The current version works somewhat well in Palm OS 3.5, but on other Palm versions accessing various functions causes seg faults.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25

    How Many Work Hours?

    Converts prices to work hours (w/ tax-adjusted wages) to make buys fee

    Tired of "bargain" regrets? This free Chrome ext flips prices to *hours worked* (monthly wages + Israeli gross/net taxes baked in). Set 24-72h timers w/ alarms, flag via 9 categories (green <2h clothes), track skips in wishlist/history stats. Bilingual EN/HE, dark mode, local-only—built for freelancers dodging burnout. Why now? My side-gig FOMO sparked it; v1.1's stats dash shows "saved 10h/month." Open-source GPL-3.0. 2-min demo: https://youtu.be/Idke_yZRwtY?si=ATknkqlB__NzR4bg Install: https://chromewebstore.google.com/detail/כמה-שעות-עבודה/fjjbjjipegofibokldobgfifbjipgkmp Makers/testers: Wage profile tweaks? Your "red flag" threshold? Feedback = v1.2 gold. #ChromeExtension #Budgeting #IndieMaker
    Downloads: 0 This Week
    Last Update:
    See Project
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Guide to Open Source Countdown Timers

Open source countdown timers are tools designed to enable users to accurately measure time increments, count down from a given number of seconds or minutes, and perform various tasks as part of a project. They provide an easy way to keep track of events and can be used for many different activities, such as business presentations, sports competitions, school event planning, personal reminders, and more. Open source countdown timers are typically written in the JavaScript language and can be used on any platform that supports it.

Open source countdown timers offer a range of features to make the timing process easier. Many have adjustable duration settings so users can customize the length of time they want each task to take. Some programs also include options such as pause/resume buttons which allow users to pause the timer at any point during their task if needed. Additionally, most open source countdown timers come with visual cues that signal when a set amount of time has passed so that users know exactly how much remains in order to complete their tasks efficiently.

Open source countdown timers also offer numerous customization features allowing users to personalize how they use them. These features often include different graphical designs or themes which allow for greater flexibility in how the timer looks when displayed onscreen or printed out on paper. Other customization features may give users control over specific visual attributes like font size or color scheme as well as audio alerts when a timer ends or reminds about upcoming events or activities at predetermined intervals throughout its duration.

Overall, open source countdown timers are incredibly useful tools for individuals who need an effective way keeping track of time while working on projects and managing both daily life and business tasks alike.

Features Provided by Open Source Countdown Timers

Features of Open Source Countdown Timers:

  • Customizable Design: Open source countdown timers offer various themes and styles to suit any project, allowing users to customize the look and feel of their timer. This allows for a uniquely designed experience that is tailored to specific needs or preferences.
  • Flexible Timeline: With open source countdown timers, users can set the timeline on their own terms. They have total control over when the timer starts, how long it runs, and when it will expire. This makes it easy to track progress towards an important event or achievement with precision and accuracy.
  • Multiple Timer Options: Many open source platforms feature multiple timers at once, which makes it possible to track several events at once in tandem. This is especially useful for coordinating complex tasks or projects that require several steps and deadlines.
  • Shareable Links: Countdowns created with open source platforms are often shareable through links, making them accessible by anyone who has access to the link. This makes it easier to keep everyone informed about an upcoming event without having to manually send reminders each time there’s a change in schedule or timeline.
  • Integrations with Third-Party Apps: Some open source platform come with support for third party integrations such as Slack notifications, Webhooks integration and more, further extending its value beyond just a basic countdown function.
  • Analytics & Reporting: With open source platforms, users can also track and analyze activity related to their countdown. This includes things such as how often the timer has been viewed, who is viewing it most often, and how much time remains until completion. This data can be used to inform decisions or determine whether a project is on track or not.

What Types of Open Source Countdown Timers Are There?

  • Fixed-interval Timer: This type of open source countdown timer allows the user to set a specific amount of time, such as 5 minutes, 10 minutes or an hour, for the timer to count down. These are great for activities that need to be done within a specific amount of time.
  • Adjustable Timer: This type of open source countdown timer is useful when it's difficult to choose a single fixed interval and users would like more flexibility in setting the duration. Depending on the user’s needs, they can set any amount of time between 1 second and an hour and have it count down accordingly.
  • Multi-stage Timer: This type of open source countdown timer is ideal for activities which require several stages that vary in length. Each stage can be customized so that the user can adjust each one depending on how long they think they will need for each task or activity.
  • Reusable Timer: This type of open source countdown timer is great for projects or tasks that require repeating intervals throughout a day or over multiple days. It allows the user to customize their own schedule and set different times for different tasks as often as needed with minimal effort.
  • Countdown Clock: This type of open source countdown timer is especially useful for time-sensitive tasks, such as countdowns to a specific date or deadline. It can also be used to create count-up clocks, which are perfect for tracking time spent on a project or task.
  • Multi-user Timer: This type of open source countdown timer allows multiple users to work together and coordinate their activities without having to constantly check in with each other. Each user can set their own timer, monitor the progress of other users and adjust their own times accordingly, if necessary.

Benefits of Using Open Source Countdown Timers

  • Flexibility: Open source countdown timers are highly customizable, allowing users to tailor the look, feel and function of the timer according to their specific needs. This makes them ideal for any number of different uses, from school projects to deadline management.
  • Cost Savings: By not having to secure a license for commercial software, open source countdown timers can be used at no cost. This can help save businesses and individual users money when setting up projects that require the use of a timer.
  • Security: The open source nature of timers means that since there is publicly available code, it can be inspected and checked for potential security issues or bugs before being put into use. This adds an extra layer of safety over proprietary software which may contain undiscovered vulnerabilities or backdoors.
  • Customizable Features: Open source countdown timers usually come with a variety of features and settings which allow users to customize them in ways they would not be able to if they were using proprietary software. This allows users to add or remove features as needed, making them much more efficient than those using standardized toolsets provided by certain vendors.
  • Updates & Enhancements: Since open source code is openly available, developers are free to collaborate on improving the timer’s stability and performance as well as adding new features regularly through updates released by the development team who works on improving it all the time. Thus you don't have worry about compatibility issues between customizations you made earlier versus current version due out later.
  • Community Support: Countless people use open source timers, so it’s likely that any issues you have will be addressed by the community. Most open source projects have an active user base which is usually willing to help out with technical questions or provide advice about how to best utilize the timer for specific uses.

Types of Users That Use Open Source Countdown Timers

  • Educators: Teachers and professors frequently utilize open source countdown timers to help keep students on task during lectures, lessons, and group activities.
  • Parents: Parents can use these tools to track the amount of time children spend doing various activities, such as playing video games or completing homework.
  • Organizers: Event organizers can use open source countdowns to let attendees know when certain parts of an event begin and end.
  • Gamers: Gamers often rely upon free countdown timers to track game play duration or specific events within a game.
  • Businesses: Companies often take advantage of timer capabilities in order to manage tasks and ensure that product shipments arrive at their destination on time.
  • Medical Professionals: Medical professionals may use countdowns for timed tests or procedures, such as X rays or other diagnostic scans.
  • Sports Teams/Coaches: Coaches and trainers often rely upon timers in order to allow athletes ample time for warm up exercises; they may also use them for tracking the length of games throughout a tournament season.
  • Engineers/Developers: Computer engineers commonly rely upon open source countdowns for debugging software and monitoring projects from start to completion.
  • Researchers: Scientists and researchers can take advantage of open source countdowns for tracking time limits of experiments or certain study protocols.

How Much Do Open Source Countdown Timers Cost?

Open source countdown timers come at no cost. They are available for free. So you won't have to pay a penny to use an open source countdown timer. This makes them ideal for those who want an easy way to keep track of time and get notified when the time has elapsed. Plus, being open source, there is usually a wide variety of options available, so you can find one that fits your specific needs and preferences. And because they are open source, there is typically a large community of developers and users around them to help you troubleshoot any issues you may have. All in all, using an open source countdown timer can be a great way to keep track of time with minimal effort or cost.

What Do Open Source Countdown Timers Integrate With?

Various types of software such as ecommerce platforms, project management applications, and document collaboration tools can integrate with open source countdown timers. This integration allows users to synchronize the countdowns across different programs for added convenience. For example, an organization can use a countdown timer within their project management application to track project deadlines and have it sync with the same timer within their online store so they can ensure their customers know when the next sale is scheduled. By integrating open source countdown timers with multiple pieces of software, organizations are able to streamline their task management processes and reduce user confusion.

Open Source Countdown Timers Trends

  • Increased Adoption: Open source countdown timers have experienced increased adoption in recent years, as more businesses and organizations recognize the potential for cost savings, efficiency, and improved user experience.
  • Improved Technology: Open source countdown timers are becoming increasingly sophisticated, with better algorithms and improved user interfaces. This has made them a more attractive option for businesses looking to save time and money.
  • Widespread Availability: As open source software has become more popular, the availability of open source countdown timers has also increased. This makes it easier for businesses to find and use an appropriate timer for their specific needs.
  • Enhanced Customization: Open source countdown timers can be customized to fit specific purposes or tasks, allowing businesses to tailor them to their exact needs. This makes them much more versatile than traditional software solutions.
  • Increased Security: Open source countdown timers can provide enhanced security features that help protect against data breaches and other malicious attacks. This is particularly important for businesses that deal with sensitive information or handle large amounts of data.
  • Greater Flexibility: Open source countdown timers are typically more flexible than traditional software solutions, allowing businesses to adjust settings and customize them for different purposes or tasks. This makes them a great option for businesses that need to be able to adapt quickly to changing conditions.

Getting Started With Open Source Countdown Timers

Using an open source countdown timer is a great way to keep track of time during activities or to use as reminders as needed. It can be especially helpful for projects that may take longer than expected and require precise timing.

The first step in getting started with using open source countdown timers is deciding which one is best for you. There are many different types, ranging from minimalist designs that don’t do much more than count down the seconds, to more complex options with multiple features like pause/resume and alarms. You should also consider how accessible the software is, some are browser-based while others require downloading a desktop application.

Once you’ve chosen your software, it’s time to set up your countdown timer. This usually involves setting the start date, end date (if applicable), length of time before the timer begins counting down, any additional settings you need like alarms or pauses in between intervals and any preferences related to display or notification options (visual and sound). You can also customize your timer by adding visuals such as graphics or changing the look of the numbers on screen if available.

Finally, make sure you know how to control your timer when it comes time for use. Start by familiarizing yourself with all the functions available: restarting when paused, resetting when finished, etc., so that you feel comfortable using it when needed. If there are any specific features such as extra notice times or notifications beyond those provided at certain intervals then make sure these are enabled before starting up your timer.

With these steps completed you should now be ready to get started with using open source countdown timers. Whether it's just helping manage daily tasks or tracking progress over long-term projects they can prove incredibly useful tools and save both time and energy in pursuing goals efficiently.