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Showing 1513 open source projects for "open source pos"
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EspoCRM - Open Source CRM
Moving in the right direction together!
EspoCRM software is that it’s fully customizable. We strive to create a solution that fits different business and industry needs, without having to rely on a “one size fits all” approach or make you spend a fortune on customization. Demo: https://www.espocrm.com/demo/ Installation: https://docs.espocrm.com/administration/installation/ Customer relationship management (CRM) software is developing every day due to ever-changing global business environment and rapid advances in... -
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Pendulum
Python datetimes made easy
Pendulum is a Python package to ease datetime's manipulation. It provides classes that are drop-in replacements for the native ones (they inherit from them). Special care has been taken to ensure timezones are handled correctly, and are based on the underlying tzinfo implementation. For example, all comparisons are done in UTC or in the timezone of the datetime being used. There are several different methods available to create a new DateTime instance. datetime() sets the time to 00:00:00 if... -
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FullCalendar
Full-sized drag & drop event calendar
...With over 300 settings, and more being added every release, FullCalendar can do just about anything. Reduce your project's bundle size by using FullCalendar's modular plugins. With over 10 years of open source and over 100 contributors, FullCalendar will always have a free and open source core. Level-up by purchasing premium plugins and support. FullCalendar seamlessly integrates with the React JavaScript framework. It provides a component that exactly matches the functionality of FullCalendar’s standard API. This is more than a mere “connector”. ... -
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Etar Calendar
Android open source calendar
Etar is an open-source material-designed calendar made for everyone. -
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BTOP++
BTOP++ for Windows
BTOP++ is the Windows port of btop++, bringing the same modern, graphical terminal resource monitor experience to Windows systems. It shows detailed and live statistics for processor usage, memory consumption, disk activity, network traffic, and both processes and services, all in an interactive terminal UI. The project is implemented as a native Windows build of the C++ btop++ continuation of bashtop and bpytop, optimized for Windows consoles. It relies on ANSI escape sequences for its rich... -
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Joda-Time
Replacement for the Java date and time classes prior to Java SE 8
The standard date and time classes prior to Java SE 8 are poor. By tackling this problem head-on, Joda-Time became the de facto standard date and time library for Java prior to Java SE 8. Note that from Java SE 8 onwards, users are asked to migrate to java.time (JSR-310) - a core part of the JDK which replaces this project. The design allows for multiple calendar systems, while still providing a simple API. The “default” calendar is the ISO8601 standard which is used by many other standards.... -
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Cal.diy
Scheduling infrastructure for absolutely everyone
The Cal.diy project is a fully open-source, self-hosted scheduling platform that provides an alternative to proprietary booking tools while giving users complete control over their infrastructure. It is a community-driven fork of Cal.com that removes all enterprise and commercial features, ensuring that the entire codebase remains MIT-licensed and accessible. The platform enables users to manage bookings, availability, and integrations without relying on external services or subscription models. ... -
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Laravel Totem
Manage Your Laravel Schedule From A Web Dashboard
Manage your Laravel Schedule from a pretty dashboard. Schedule your Laravel Console Commands to your liking. Enable/Disable scheduled tasks on the fly without going back to your code again. -
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Rallly
Rallly is an open-source scheduling and collaboration tool
Rallly is an open-source scheduling tool that helps groups find the best date to meet. Inspired by Doodle, it allows users to create polls where participants can vote on preferred dates without requiring an account. With a modern, responsive interface and built using Next.js and PostgreSQL, Rallly is lightweight, easy to self-host, and privacy-focused. -
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JobRunr
An extremely easy way to perform background processing in Java
Incredibly easy way to perform fire-and-forget, delayed, scheduled and recurring jobs inside Java applications using only Java 8 lambda's. CPU and I/O intensive, long-running and short-running jobs are supported. Persistent storage is done via either RDBMS (e.g. Postgres, MariaDB/MySQL, Oracle, SQL Server, DB2 and SQLite) or NoSQL (ElasticSearch, MongoDB and Redis). JobRunr provides a unified programming model to handle background tasks in a reliable way and runs them on shared hosting,... -
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Quartz.NET
Quartz enterprise scheduler .NET
Quartz.NET is a full-featured, open-source job scheduling system that can be used from smallest apps to large-scale enterprise systems. Can run embedded within an application or even instantiated as a cluster of stand-alone programs (with load-balance and fail-over capabilities). Jobs are scheduled to run when a given trigger occurs, triggers support wide variety of scheduling options. -
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Chiri
Cross-platform CalDAV task management app
Chiri is a free, open-source task management application designed to organize and synchronize to-do lists across devices. It uses the CalDAV protocol to connect with compatible servers, including Nextcloud, Fastmail, Radicale, and Baikal. Users can create tasks, organize subtasks, and rearrange items through drag-and-drop controls. The software supports recurring tasks for managing activities that repeat on a schedule. -
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iCalendar Generator
Generate calendars in the iCalendar format
Want to create online calendars so that you can display them on an iPhone's calendar app or in Google Calendar? This can be done by generating calendars in the iCalendar format (RFC 5545), a textual format that can be loaded by different applications. The format of such calendars is defined in RFC 5545, which is not a pleasant reading experience. This package implements RFC 5545 and some extensions from RFC 7986 to provide you an easy-to-use API for creating calendars. It's not our intention... -
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Koordinator
A QoS-based scheduling system brings optimal layout and status to work
Koordinator is a modern scheduling system that colocates microservices, AI, and big data workloads on Kubernetes. It achieves high utilization by combining elastic resource quota, efficient pod-packing, over-commitment, and resource sharing with container resource isolation. Koordinator is high-performance, scalable, yet most importantly, proven in mass production environments. It allows you to build container orchestration systems that support enterprise production environments. Koordinator... -
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Outlook Google Calendar Sync
Sync your Outlook and Google calendars
Offers calendar synchronization between Outlook and Google, including attendees and reminders. Completely free, no install necessary, works behind web proxies and actively developed. Supports all versions of Outlook from 2003 to 2019/Microsoft365 64-bit! Installable and portable options - even runs from a USB thumbdrive. Synchronises items in any calendar folder, including those shared with you. Differential comparison updates only attributes that have changed. Customizable date range to... -
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morilog/jalali
This Package helps developers to easily work with Jalali
Jalali calendar is a solar calendar that was used in Persia, variants of which today are still in use in Iran as well as Afghanistan. Read more on Wikipedia or see Calendar Converter. Calendar conversion is based on the algorithm provided by Kazimierz M. Borkowski and has a very good performance. CalendarUtils class was ported from jalaali/jalaali-js. -
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Whenever
Cron jobs in Ruby
Whenever (javan/whenever) is a Ruby gem that provides a clean, Ruby DSL for defining and managing cron jobs within your application. Rather than editing system cron tables by hand, you describe scheduled tasks in a schedule.rb file using methods like every, runner, command, or rake. The gem then compiles this schedule into a standard crontab format and installs it for you, handling all the necessary quoting, environment setup, and command path resolution. It supports specifying execution... -
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React DayPicker
Date picker component for React
Flexible, highly customizable, localizable, with ARIA support, no external dependencies, 7.4kB gzipped. Define the disabled or selected days and change the aspect of each day cell with modifiers. Display the date picker in an overlay using the DayPickerInput component. Specify which days should be selected in your component’s state. Use your own translation strings or import those from moment.js, if you use it. react-day-picker is designed to cover the most common needs for a date picker in... -
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DAVx⁵
CalDAV/CardDAV suite and sync app for Android
DAVx⁵ is a free, open-source Android synchronization application designed to connect calendars, contacts, and tasks with compatible online services. It uses CalDAV and CardDAV standards to synchronize personal information between Android devices and remote servers. The application integrates with Android's account and synchronization infrastructure, allowing information to appear in compatible calendar, contact, and task applications. -
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ClassIsland
A powerful, customizable, cross-platform timetable information display
ClassIsland is a free, open-source classroom information display application designed for multimedia screens in educational environments. It displays daily schedules, current classes, and upcoming lessons in an unobtrusive desktop interface. Teachers can configure notifications for class transitions using sounds, speech, and visual effects. The software provides a timetable editor with Excel importing, rotating schedules, and temporary class substitutions. -
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react-calendar
Ultimate calendar for your React app
React-Calendar is a customizable React component for selecting dates and navigating calendar periods. Users can choose individual days, months, years, or decades through progressively broader views. Range selection allows applications to capture both the beginning and end of a period. Multiple calendar systems are supported, including Gregorian, ISO 8601, Hebrew, and Islamic configurations. Localization relies on browser internationalization capabilities and works with virtually any... -
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React-Date-Picker
A date picker for your React app
React-Date-Picker is a React component that combines editable date fields with a popup calendar interface. Users can enter dates manually or choose them visually through its integrated React-Calendar component. It supports selecting days, months, years, and broader periods depending on the configured detail level. Localization uses standard language tags and browser locale information without requiring Moment.js. Developers can define minimum and maximum dates, formatting rules, calendar... -
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timeago.js
timeago.js is a tiny(2.0 kb) library used to format dates
timeago.js is a tiny(2kb) library used to format date with `*** time ago`. eg: '3 hours ago'. No dependency. and support automatically updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago"). Download, view the examples, and enjoy. timeago.js was built to format date with `*** time ago` statement. You can test timeago.js with the live demo. Avoid timestamps dated "1 minute ago" even though the page was opened 10 minutes ago; timeago refreshes automatically. You can take full... -
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Tempus Dominus
A date/time picker widget
Tempus Dominus is the successor to the very popular "eonasdan/bootstrap-datetimepicker". The plugin provide a robust date and time picker designed to integrate into your project. The picker uses the format option to decide what components to show. Set format to LT, LTS or another valid MomentJs format string to display certain components. The picker uses MomentJs to determine the language string. You can use moment-with-locales or you can include whatever local file you need. Start of the... -
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Marl
A hybrid thread / fiber task scheduler written in C++ 11
marl is a lightweight C++ job system that schedules tasks on a pool of worker threads and runs them using cooperative fibers for high throughput. By decoupling “tasks” from OS threads, it minimizes context switches and lets workloads with fine-grained synchronization scale efficiently. The API is intentionally small—post tasks, wait on fences, and express dependencies—so you can retrofit it into existing engines without adopting a heavyweight framework. Under the hood, fibers allow tasks to...
