Python Calendar Software

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

  • Comet Backup - Fast, Secure Backup Software for MSPs Icon
    Comet Backup - Fast, Secure Backup Software for MSPs

    Fast, Secure Backup Software for Businesses and IT Providers

    Comet is a flexible backup platform, giving you total control over your backup environment and storage destinations.
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  • SoftCo: Enterprise Invoice and P2P Automation Software Icon
    SoftCo: Enterprise Invoice and P2P Automation Software

    For companies that process over 20,000 invoices per year

    SoftCo Accounts Payable Automation processes all PO and non-PO supplier invoices electronically from capture and matching through to invoice approval and query management. SoftCoAP delivers unparalleled touchless automation by embedding AI across matching, coding, routing, and exception handling to minimize the number of supplier invoices requiring manual intervention. The result is 89% processing savings, supported by a context-aware AI Assistant that helps users understand exceptions, answer questions, and take the right action faster.
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  • 1
    Pendulum

    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 it's not specified, and the timezone (the tz keyword argument) to UTC. Otherwise it can be a Timezone instance or simply a string timezone value. Pendulum gives access to more attributes and properties than the default datetime class. The __str__ magic method is defined to allow DateTime instances to be printed as a pretty date string when used in a string context. Simple comparison is offered up via the basic operators.
    Downloads: 26 This Week
    Last Update:
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  • 2
    RedNotebook is a graphical diary and journal helping you to keep track of notes and thoughts. It includes a calendar navigation, customizable templates for each day, export functionality and word clouds. You can also format, tag and search your entries. Please find the latest releases at https://rednotebook.app
    Downloads: 42 This Week
    Last Update:
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  • 3
    Cal.diy

    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. Built with modern web technologies such as Next.js, React, and PostgreSQL, it offers a robust foundation for building custom scheduling workflows. The system is designed for developers and advanced users who prefer to host and secure their own data rather than depend on third-party providers. It also supports integration with external tools through APIs and authentication systems, allowing flexible customization.
    Downloads: 2 This Week
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  • 4
    pyphoon

    pyphoon

    ASCII Art Phase of the Moon (Python version)

    pyphoon is a small command-line program that renders the current Moon phase as detailed ASCII art directly in your terminal. It computes lunar ephemerides for a given date and location, then maps the illuminated portion onto characters to approximate shading with surprising fidelity. The tool supports showing past or future phases, so you can visualize how the Moon will look on specific dates without opening a browser or an app. It’s intentionally minimal: no GUI, no heavy dependencies, just a quick way to check illumination, age, and phase names in text form. Because it runs cross-platform and works over SSH, it’s popular among terminal enthusiasts and sysadmins who live in the command line. The output can be scripted into cron jobs, motd banners, dashboards, or shared in chat to add a bit of astronomical flair to daily workflows.
    Downloads: 1 This Week
    Last Update:
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  • Outbound sales software Icon
    Outbound sales software

    Unified cloud-based platform for dialing, emailing, appointment scheduling, lead management and much more.

    Adversus is an outbound dialing solution that helps you streamline your call strategies, automate manual processes, and provide valuable insights to improve your outbound workflows and efficiency.
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  • 5
    Kalibro for Calibration & Maintenance

    Kalibro for Calibration & Maintenance

    Calibration Control and Maintenance Management

    Kalibro is an open source free software to manage devices and tools for calibration and maintenance records. It helps you to keep inventory and reminds you the scheduled dates. Kalibro also helps you to satisfy the requirements of the Quality Management Standards like ISO9001, AS9100 and TS16949. Manufacturing, Quality and IT departments of small/medium sized companies are targeted to use Kalibro. You do not need to use spread sheet files to save your critical calibration records. See the Kalibro website (http://www.ozanh.com/kalibro) for further details.
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    Downloads: 18 This Week
    Last Update:
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  • 6
    Hero Planner

    Hero Planner

    An easy to use GUI for creating team rotas and scheduling absences.

    HERO Planner – Unleash Your Scheduling Superpowers Is rostering your kryptonite? Transform chaos into control with HERO Planner, the command center for retail, hospitality, and service teams. This modern desktop app turns managers into scheduling superheroes—no cape required. Your Utility Belt: ✓ Super Speed: Intuitive drag-and-drop & bulk actions for lightning-fast updates. ✓ Compliance Shield: Real-time alerts guard against labour law violations and overtime risks. ✓ X-Ray Vision: Instantly visualize coverage gaps, conflicts, and staff availability. ✓ Universal Export: PDF, CSV, and HTML formats. ✓ Stealth Mode: Sleek Dark Mode & customizable themes. Built on Electron, React & Vite for blazing performance. Whether managing a small squad or a legion of 200+ staff, HERO Planner gives you the tools to save the day. Don't just manage the rota—be the Hero.
    Downloads: 5 This Week
    Last Update:
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  • 7
    Tamil calendar application computes panchangam for the given Gregorian calendar day such as Tamil month,Tamil year, Tithi , Nakshatra, Raghu Kaalam , Yema Kandam etc.
    Downloads: 1 This Week
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  • 8
    TiMo - Time is Money, is a free manager of calculation of hours worked in the month. The characteristics include calculate of hours, minutes and money, generation of report for impression.
    Downloads: 1 This Week
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  • 9
    A Plone, Archetypes based product which provides reminder objects (a new eventlike content type) and a tool for processing reminder objects periodically.
    Downloads: 0 This Week
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  • Iris Powered By Generali - Iris puts your customer in control of their identity. Icon
    Iris Powered By Generali - Iris puts your customer in control of their identity.

    Increase customer and employee retention by offering Onwatch identity protection today.

    Iris Identity Protection API sends identity monitoring and alerts data into your existing digital environment – an ideal solution for businesses that are looking to offer their customers identity protection services without having to build a new product or app from scratch.
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  • 10
    A Rainlendar-like calendar for your desktop released under GNU GPL License. It is good looking (using real transparency), small and it integrates well in your desktop.
    Downloads: 0 This Week
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  • 11
    This is a project for lawyers in India to track their cases that come up for hearing in the Madras High Court in the NIC web site.
    Downloads: 0 This Week
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  • 12
    Plugins to synchronize Evolution calendar with the online Google calendar and BlackBerry device calendar.
    Downloads: 0 This Week
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  • 13
    Web based task management software, written with django. Its based on trac/redmine and aims to manage projects, tasks, hours of work, documentation and code of a company or any kind of group.
    Downloads: 0 This Week
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  • 14
    Ice Coral - TimeSpan

    Ice Coral - TimeSpan

    Scheduled task and device event evidence

    This is a part of the Ice Coral project. The TimeSpan is focused on event evidence, for example scheduled tasks (Windows Task Scheduler, crond). For more info visit Ice Coral - TimeSpan Web Site.
    Downloads: 0 This Week
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  • 15
    Jalali Calendar Applet
    An applet for avant window navigator for use in x based operating systems spcially Linux under the terms of GNU public license. It shows Iranian calendar (Jalali) and converts Gregorian dates to Jalali. You can even see in which day of week you born!
    Downloads: 0 This Week
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  • 16
    A course timetable application for students at the Royal Institute of Technology (KTH) in Sweden. Imports the timetable from TimeEdit and Daisy and shows it graphically. Also exports vCalendar data and HTML.
    Downloads: 0 This Week
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  • 17
    Agenda collaboratif avec gestion de planning et notes de frais
    Downloads: 0 This Week
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  • 18
    MyWorkshop will provide a Web service for none profit organizations to manage workshops, publish workshop events on a Web calendar, and manage attendees information and confirmation.
    Downloads: 0 This Week
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  • 19
    Personal web server which allows to take notes and read them locally or remotely with a browser or a rss-feed client. Each note can be classified into user defined categories and appears in a given date following an advanced time validity sintax.
    Downloads: 0 This Week
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  • 20
    Originally a reimplementation of OpenGroupware's ZideStore. While compatible with legacy ZideStore Coils provides a sophisticated workflow system with ETL and integration capabilities and superior WebDAV/CalDAV features and compatibility. The workflow engine suppports processes described in BPML and provides integration with a variety of services include SSH, LPD, LDAP, and relation databases.
    Downloads: 0 This Week
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  • 21
    An Open-source hair/beauty salon management system
    Downloads: 0 This Week
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  • 22
    Time and project management for personal use.
    Downloads: 0 This Week
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  • 23
    OrganizerCalendar is a command line utility written in python that will help you organize your upcoming appointments using only command line, so you can use for example ssh to manage your calendar from remote computer.
    Downloads: 0 This Week
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  • 24
    palm2ics project provides a set of tools (Python converter, HotSync conduit) for Palm desktop (v4.1+) and Palm OS 5 devices (T5, TX, Z21...) synchronization towards iCalendar files (RFC 2445).
    Downloads: 0 This Week
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  • 25
    A paging system for sending reminders to any email address including cell phone text messages based upon calender entries in Sunbird. Coded entirely in Python
    Downloads: 0 This Week
    Last Update:
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