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

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  • 1
    Stretchly

    Stretchly

    The break time reminder app

    Stretchly is a cross-platform open-source app that reminds you to take breaks when working on your computer. When you run Stretchly for the first time, you are presented with a Welcome window that allows you to change the language, review the preferences, view the online tutorial or simply continue with the default preferences. Stretchly itself lives in your tray, only displaying a reminder window from time to time, which contains an idea for a break. By default, there is a 20 second Mini Break every 10 minutes and a 5 minute Long Break every 30 minutes (after 2 Mini Breaks). You'll be notified 10 seconds before a Mini Break (and 30 seconds before a Long Break) so that you can prepare to pause your work. When a break starts, you can postpone it once for 2 minutes (Mini Breaks) or 5 minutes (Long Breaks). Then, after a specific time interval passes, you can skip the break. Both actions are available by clicking on the link at the bottom of window.
    Downloads: 16 This Week
    Last Update:
    See Project
  • 2
    Loop Habit Tracker

    Loop Habit Tracker

    Mobile app for creating and maintaining long-term positive habits

    Loop is a mobile app that helps you create and maintain good habits, allowing you to achieve your long-term goals. Detailed graphs and statistics show you how your habits improved over time. It is completely ad-free and open source. Beautiful, minimalistic and lightweight interface. Loop has an elegant and minimalistic interface that is very easy to use, even for first-time users. Highly optimized for speed, the app works well even on older phones. Habit score. Loop has an advanced formula for calculating the strength of your habits. Every repetition makes your habit stronger and every missed day makes it weaker. A few missed days after a long streak, however, will not completely destroy your progress, unlike many other don't-break-the-chain apps. Flexible schedules. In addition to daily habits, Loop supports habits with more complex schedules, such as 3 times per week or every other day.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 3
    Simple PrayerTime Reminder

    Simple PrayerTime Reminder

    A modern and simple muslim prayertime reminder app for desktop.

    A modern and simple muslim prayertime reminder app for desktop. Made using Wails3 with go and React as frontend. UI using MUI for modern looks. Compatible on most modern OS, works on Windows and Linux, should work on MacOS too (haven't tested) Feature: - prayer times - prayer times reminder/notification - prayer times schedule (table/calendar) - export prayer times schedule - adhan - qibla direction - quran webview - see prayertime of other cities For more information check: - repo wiki > https://github.com/Dadangdut33/simple-prayertime-reminder/wiki - repository link > https://github.com/Dadangdut33/simple-prayertime-reminder/ # Attribution Mosque icons created by Freepik - Flaticon - https://www.flaticon.com/free-icons/mosque
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    Downloads: 14 This Week
    Last Update:
    See Project
  • 4
    Free Alarm Clock
    From Comfort Software: If you need alarm clock software for Windows, this is the software you are looking for. Free Alarm Clock supports unlimited number of alarms so that you are not restricted to the number of alarms you can have. Alarms that you set will sound even if computer goes to sleep. While your PC is sleeping and the time comes to activate your alarm, Free Alarm Clock will wake your PC up. The alarm clock can remind you about important events by playing your favorite music and showing a notification message. You can set alarm volume level to a comfortable level depending on the time of the day. What's new in this version: Improved some translations of the user interface. Fixed: Issue with turning on volume after wakeup in Windows 10. Fixed: Issue with 12-hour time format when period shows one letter (a/p).
    Downloads: 7 This Week
    Last Update:
    See Project
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  • 5
    Harmony v1.0.4225

    Harmony v1.0.4225

    Digital chiming clock - 100+ chimes, 50 alarms/reminders + Ships Bells

    Digital chiming clock with 100+ chimes and 50 alarms + reminders. Multiple chime styles of Melody, Ships Bells, British Royal Ships Bells, Grande Sonnerie and Petite Sonnerie. On-screen date / time / part of day. Custom coloring, time / date format and many options.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 6
    Reminder-ng is a reminder application for GNOME written in C.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 7
    ChronoChime

    ChronoChime

    Reliably notify people at the right time, based on the conditions they

    ChronoChime is a calm, reliable temporal-notification desktop app. It remembers time on your behalf and notifies you at the moments you define — single reminders, recurring schedules, and composite routines — without becoming a task manager or productivity suite.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 8
    TinyReminder

    TinyReminder

    Tiny reminder with very simple user interface and no installation

    (Translations needed - see Wiki for the details.) Tiny reminder with very simple user interface and no instalation, for people, who have no time to learn how to use it. Reminds once by chosen time period or repeatedly on regular time intervals basis. Elements of the interface dynamically changes to give the user instant grafical feedback of his or her action. Even after launching the reminder, all chosen settings may be dynamically changed by double clicking the icon in the system tray. NOTE: It requires Java Runtime Environment 5 or higher.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 9
    Reminder

    Reminder

    A simple reminder application

    A simple reminder application to remind the users in a specified time interval given by the user. The reminding functionality will happen in two ways. 1. Remind Once: When user inputs the time in minutes and then click on "Remind Once", user will be reminded with a short sound after the specified time interval once. 2. Remind Continuously: When user inputs the time in minutes and then click on "Remind Continuously", user will be reminded with a short sound after every time interval specified continuously until the application is closed. Supported OS: Windows Usage: This is a portable application. Installation is not required. Just download and run it. Note: False Positive detections by few anti-virus programs. Please mark the file as safe and continue to use the application.
    Downloads: 4 This Week
    Last Update:
    See Project
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  • 10
    This is an emacs (and xemacs) major mode for use with mutt, slrn, or whatever you can get it to work with. This mode makes editing your mail messages easier. If you use emacs and mutt this is the glue that binds them together.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    Linux-reminders

    Linux-reminders

    A simple reminder Gui for Linux using wxpython

    A simple reminder tool for those of us who have lots to do and a mind like a sieve. The following types of reminder can be created: One off, at a specified date and time; every 15 minutes; every 30 minutes; every 45 minutes; every hour; daily; monthly; weekly; annually; last day of the month; penultimate day of the month; the 1st,2nd,3rd,4th or last Monday of the month; the 1st,2nd,3rd,4th or last Tuesday of the month; the 1st,2nd,3rd,4th or last Wednesday of the month; the 1st,2nd,3rd,4th or last Thursday of the month; the 1st,2nd,3rd,4th or last Friday of the month; the 1st,2nd,3rd,4th or last Saturday of the month; the 1st,2nd,3rd,4th or last Sunday of the month. All reminders are issued 2 minutes before the allotted time. All reminders can be “snoozed” even if they are One off. Reminders can be “snoozed” for 5 mins, 15 mins, 30 mins, 1 hour, 1 day or 1 week. Snoozed reminders can be re-snoozed.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    Nepali Calendar For PC - NepDate Widget

    Nepali Calendar For PC - NepDate Widget

    Premium Nepali Calendar, Date Converter, and Productivity Tools for PC

    Nepali Calendar App & Tools For PC - NepDate Widget (Nepali Patro) is useful, clean and free Nepali Calendar Nepali Tithi, Mithi, Events, Holidays Companion It sits on your taskbar as a compact two-line bar showing the current Bikram Sambat and Gregorian date, time, and timezone. Click it to expand into a full BS calendar with tithi, public holidays, and fiscal year context, then further into tools built specifically for Nepali daily use. Features Mini Bar - Two configurable lines pinned to the taskbar. Time row: 12h/24h clock, timezone label, UTC offset. Date row: day of week, BS date, AD date. Each element toggles independently. Fades when not hovered. Calendar - Full BS month grid with English day numbers alongside each cell, tithi, public holidays, and festival highlights. Today is marked with your accent color. A live countdown to the next public holiday appears in the header. On the first launch of each day, a notification lists today's festivals and observances.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    Reminder

    Reminder

    The Reminder is a simple tool to quickly create reminders.

    The Reminder is a simple tool to quickly create reminders based on date and time. The user can create new reminders with name and a description, set the date and time and the tool will ring an alarm when the time comes. It works in background and when the user wants to create new reminders he can click with right mouse button on the system tray menu and open the software. Windows installer and source code to download.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    SBR - Simple Break Reminder

    SBR - Simple Break Reminder

    Pomodoro. Take a break.

    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: 2 This Week
    Last Update:
    See Project
  • 15
    Alarm Clock

    Alarm Clock

    Alarm Clock Software - Totally Free with Many Features

    Alarm Clock and Task Reminder are 2 core feature of this Software and its totally Free. You can make multiple alarms and reminders in it. it's going to keep you active and on time for anything. It's Made with HD quality with simple and clean user interface. you can add , Edit or Delete alarms , Reminders with simple Click. It has features like Alarm loops, Snoozing , You can add your own music files and we have some in built. we are user its going to be good application for you. As it's free we need to make future updates which required some funding so, while installing this we may show you some software offers which you can accpet or reject if you dont want so nothing is going to be installed on your computer without your consent. So enjoy Free Alarm Click and Reminder Software.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    CalOMine

    CalOMine

    A fast, no-nonsense way to manage reminders, folder events, & alarms.

    If you have ever missed an important phone meeting, wake-up call, or other event, then you will find CalOMine handy. Fast, easy to use, and refreshingly without frills, I created CalOMine to both keep track of important events, as well as to yell at me for a pre-set "wakeup" alarm. Based upon SQLite3, you can even use other programs to program-up unique events to one or more independent databases. Because databases are located next to the CalOMine Program, CalOMine may also serve as a nice SQL replacement for our older, Skype-endorsed, "ezlog" program. -Just download & extract the zip file into a folder, then run the executable .jar file. Designed to be a quick event reminder, as well as an easy-to-use micro-blogger & journal alike, downloading & extracting the zip archive from the CaloMine Project here is all it takes to start logging your notes for everything taking place to the content of any folder, or your daily alarms, reminders, and / or life-events.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Rather than one-time tasks, this program allows you to track repetitive tasks by creating pending "work units", which have to be cleared manually. Pending work units are reminded to the user during login.
    Downloads: 1 This Week
    Last Update:
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  • 18
    Happy-Birthday is a simple birthday reminder build original from Breuer-Elektronik and is made open source. It is written with Delphi 6 and will be ported to Kylix. You will need the Breuer Elektronik Components : http://www.sf.net/projects/bec.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    MW3 Wave Reminder

    MW3 Wave Reminder

    A reminders of the juggernaut and helicopter rounds for each map.

    A non-intrusive application to remind you of the serious MW3 survival waves. Requires: .NET Framework 4.5 or higher. -F11 or double click to toggle full-screen. -Press any letter to quickly navigate to a map. -The backcolor is black and the map names hide to make the window less distracting. -Escape to exit full-screen or the application if windowed. -Starts up full-screen on the second monitor (if monitor present).
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    OnTime is a light-weight scheduler/reminder app for Windows aiming to provide reminders for scheduled events without the burden of a heavy-weight scheduling app. It sits quietly in the system tray and pops up reminders when an alert has been scheduled.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21

    hzs_reminder

    Birthday Reminder

    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Full-featured, configurable alarm and reminder program. Needs JRE 1.6 or higher.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    sReminder is a small and simple tool that notifies the user of upcoming events, such as birthdays, anniversaries, appointments and so on. It runs under both Linux and Windows.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    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
  • 25

    ASRemind

    Reminders & Notes application

    ASRemind is a desktop reminder application that links to a user's Google Calendar's entries and reminds them of upcoming activities. It also allows a user to enter notes on the various activities that a user is doing.
    Downloads: 0 This Week
    Last Update:
    See Project
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Guide to Open Source Reminder Apps

Open source reminder apps are programs that help users to remember to do important tasks and events in the future. These apps provide a wide range of functions, allowing users to track their progress towards completing tasks or reaching milestones with ease. Many open source reminders also allow users to set alarms and receive notifications on various electronic devices, such as laptops or mobile phones.

Using open source reminder apps is generally easy and intuitive, requiring no prior knowledge or skills for the user. Most systems require the user to simply enter their desired task or event into the app along with any relevant details, such as date, time, location, etc., and save it. Different systems may offer more advanced features such as repeating events (e.g., daily/weekly/monthly reminders) or multiple alerts for one task (e.g., email alert before 1 hour of task due). After setting up all desired reminders, these apps will automatically send out notifications when those upcoming tasks are approaching or past due dates have been reached. This allows users to stay organized and not miss out on any important tasks they wished to complete in the future.

In terms of security features, most open source reminder apps encrypt data using measures such as secure sockets layer (SSL) technology which helps protect information from unauthorized access by third parties. Additionally, some reminder applications offer additional protection layers like two-factor authentication (2FA) which requires another verification step before allowing login access into an account; usually involving sending a secondary code to a device like cell phone via text message for example. Lastly, many reminder applications can be integrated with other services like Google Calendar for added convenience making it easier than ever for people stay updated keep track of their pending activities without having switch between different platforms manage different settings each service.

Overall, open source reminder applications can provide much needed support when trying remembering upcoming tasks while ensuring that personal information remains protected at same time. By utilizing its various features, anyone who needs help tracking their duties can easily take advantage this support system quickly efficiently without worry about losing confidential data risk exposure malicious software.

What Features Do Open Source Reminder Apps Provide?

  • Alarm/Notification System: Most open source reminder apps come with an alarm or notification system that allows users to set reminders and receive notifications at designated times. Users can customize the type of notification they receive, such as SMS, email, audio alarms, and more.
  • Calendar Integration: Open source reminder apps generally have the ability to integrate with calendars such as Google Calendar or Outlook calendar and sync event and task reminders across multiple devices. This feature helps keep users organized and on track by allowing them to view their reminders in one place.
  • Task Management: Many open source reminder apps include a task management system that enables users to create individual tasks for important events or goals they need to achieve. Users can also assign tasks to specific team members or assign due dates for each task.
  • Customization Settings: Most open source reminder apps let users customize the way tasks are displayed, including fonts, colors, icons, time formats, etc., based on their preferences. They can also organize tasks into categories so that it's easier to find what they're looking for quickly and efficiently.
  • Automated Reminders: Some open source reminder apps offer automated reminders that will send out notifications when certain criteria is met, such as when a due date is approaching or when an event is about to start - eliminating the need for manual input from the user each time a reminder needs to be sent out.
  • Cloud Sync: Open source reminder apps typically offer cloud-based storage so that all reminders are backed up and users can access them from any connected device. This helps ensure that important tasks, events, and goals are always accessible whenever they're needed.

What Types of Open Source Reminder Apps Are There?

  • Calendar Apps: These types of open source reminder apps help users organize their days and set reminders for important tasks, events, or appointments. They are typically synchronized with other calendars, like Google Calendar or iCalendar, allowing a user to easily update their calendar across multiple platforms.
  • Reminder-Only Apps: These apps focus on providing users with specific alerts. They are useful for setting reminders about things that may not necessarily be time-sensitive such as taking medication, doing chores, or just randomly remembering something when in the area.
  • Notification-Based Apps: These open source apps will notify users based on location, time of day, or even proximity to other people. This type of app is ideal for reminding someone that they need to pick up groceries when they enter the store, sending an alert when it's getting late at night so they can make sure to get enough sleep before an important meeting in the morning, and much more.
  • To-Do List Apps: These open source reminder apps let users prioritize tasks and track progress over time. They can also connect with other web services like email accounts so all tasks related to that account can be managed from one place (i.e., receiving emails about tasks assigned by co-workers). The ability to assign custom tags makes task sorting a breeze.
  • Automated Task Managers: Automated task managers utilize artificial intelligence (AI) capabilities such as natural language processing (NLP) and machine learning (ML) algorithms in order to suggest potential reminders based on your past activities and habits. These may include scheduling regular check-ins with friends/family or even reminding you to complete mundane errands which you keep forgetting every week.

What Are the Benefits Provided by Open Source Reminder Apps?

  • Cost: open source reminder apps are usually free or have a minimal cost associated with them. This means that you can get all the features and functionality of a high-end app without having to spend money on expensive software licenses.
  • Community Support: With open source, you can benefit from strong community support and helpful tips from experienced users. You can also access an extensive library of online resources that explain various aspects of the software and provide solutions for common problems.
  • Customization: Open source software is incredibly flexible and allows users to customize functionality to meet their specific needs. Some examples include adding custom themes, modifying existing code, or even creating new plugins and extensions.
  • Security: Because the source code is freely available, anyone can audit it to uncover any potential security issues and address them quickly. This makes open source apps more secure than their proprietary counterparts, which may not be subject to the same level of scrutiny or accountability.
  • Maintenance & Upgrades: Unlike proprietary software, open source projects are regularly maintained by contributors who add updates and fixes as needed. This ensures that your reminders stay up-to-date while also protecting you against vulnerabilities caused by outdated versions of the software.
  • Portability: Open source software is designed to work across multiple platforms, so you can take your reminders with you no matter where you go. This makes it a great choice for individuals who rely heavily on mobile devices and want to keep their data synchronized across multiple devices.

What Types of Users Use Open Source Reminder Apps?

  • Students: Students use open source reminder apps to keep track of due dates, assignments, and other course-related responsibilities.
  • Professionals: Professionals often rely on open source reminder apps to schedule meetings, set deadlines for project completion, and stay up-to-date on current developments in their fields.
  • Everyday People: Everyday people use open source reminder apps to remember important events such as birthdays and anniversaries, appointment times with doctors or other service providers, grocery shopping lists, and other daily tasks they need to accomplish.
  •  Small Business Owners: Small business owners benefit from using open source reminder apps by creating reminders for themselves or their staff about upcoming projects or important customer information.
  • Journalists/Bloggers: Writers use open source reminder apps to plan article topics and remember research material that will help them stay ahead of the game when writing about specific topics.
  • Politicians/Activists: Politicians and activists rely on open source reminder apps to set timelines for initiatives they are working on in order to meet certain goals. They also utilize these applications for scheduling events related to their causes as well as setting up meetings with key players in the field.
  • Educators: Teachers use open source reminder apps to remind themselves and their students of upcoming classes, exams, due dates for assignments, and other important details. They also create alerts about field trips or other school-related activities that require prompt attention.
  • Social Media Managers: Social media managers typically use open source reminder apps to keep track of deadlines for posts or tweets for campaigns they are running as well as setting aside time to engage with followers on a daily basis.
  • Event Planners: Event planners use open source reminder apps to organize conferences, meetings, weddings, and other events. They rely on these applications to remind them of when certain tasks need to be completed in order for the event to run smoothly.

How Much Do Open Source Reminder Apps Cost?

Open source reminder apps are typically free to use due to their open source nature. Open source software is distributed with the intention that it can be freely used, modified and shared by anyone. There may be some additional costs associated with an open source reminder app such as hosting or running a server on your own. Depending on the size of the project and the resources needed for maintaining it, there could also be costs related to hiring developers and system administrators to keep things running smoothly. However, these types of costs are typically not associated with using the app itself.

The main benefit of using an open source reminder app is that since the code is available for anyone to access, developers are constantly improving existing features and adding new ones, making it more useful over time without any additional cost. This can give you peace of mind knowing that you're always getting an improved version of your favorite reminder app without having to pay extra for updates or new features.

What Software Do Open Source Reminder Apps Integrate With?

Open source reminder apps are able to integrate with a variety of types of software. This includes calendar applications, email clients, communication tools, and task management applications. Calendar applications allow users to display their reminders in an organized fashion within the calendar platform. Email clients help users keep track of upcoming events by providing notifications when certain deadlines or tasks are approaching. Communication tools provide a way for people to connect with each other for collaborative efforts related to upcoming reminders. Task management applications provide a platform where people can organize, prioritize, and track tasks related to their reminders. Integrating open source reminder apps with these different types of software creates an effective workflow that allows users to stay on top of their commitments and be more successful overall.

Open Source Reminder Apps Trends

  • Increased Availability: Over the past few years, open source reminder apps have become increasingly available. This is due to the open source community providing more options to users who want to get reminders for tasks and other events.
  • Improved Functionality: Open source reminder apps have grown in sophistication as developers continue to add features and improve existing ones. This has led to these apps becoming more powerful and useful for users.
  • More Customization Options: Open source reminder apps now offer a wide variety of customization options. This allows users to tailor the app's settings and notifications to their preferences, making it easier for them to keep track of what they need to do.
  • Enhanced Security: Open source reminder apps have also improved in terms of security. Many of these apps now offer stronger encryption protocols and other measures that help protect user data from being accessed by third parties.
  • Greater Interoperability: Last but not least, many open source reminder apps are now more interoperable with other platforms and services. This makes it easier for users to access their reminders from any device or service they may be using.

How Users Can Get Started With Open Source Reminder Apps

Getting started with open source reminder apps is easy and a great way to stay organized. Here are five steps to getting started:

  1. Select an app: There are many open source reminder apps available, so be sure to research each one before making a decision. You may want to search for reviews from people who have already used the app or read through the FAQ documents on the website. Additionally, you can check developer forums and discussion boards for more insights into how the software works and what features it offers. Make sure that the free version of the app includes all of the features that you need, as some apps require a paid subscription in order to access certain capabilities.
  2. Install: Once you’ve chosen your preferred application, download and install it on your device. If possible, review any tutorial videos or documentation available online to get familiar with how it works before using it (this step is optional).
  3. Start adding reminders: Using whatever input method is provided by your application (e.g., text box, slide bars, etc.), create reminders for tasks or events that will happen in upcoming days/weeks/months/years including both personal commitments and work-related duties that need completing by certain deadlines, etc. Make sure these reminders pop up at appropriate times too. Some open source reminder apps also allow users to add tasks associated with specific locations or GPS coordinates which is really useful if travelling or attending meetings away from home/workplace later on down the line.
  4. Share information: Many applications allow users to share their reminders within collaborative projects; this can help groups stay organized amid numerous tasks and deadlines all at once. Be sure to set up prompts when sharing information so everyone knows where their responsibilities lie within particular collaborations – this helps ensure that no one loses out due to missed deadlines.
  5. Manually back up data: Even though most apps come with data backup options built into them, remember that manually backing up your data regularly remains vital as well. This allows your important information remain secure even upon unexpected software errors occur. To back up data manually, be sure to go into the settings tab within your open source reminder app and select the export option to store information on a cloud drive or external storage device.

And that’s it. Following these steps will allow you and your team members easily get started with using open source reminder apps for staying organized.