Open Source Python Scheduling Software

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.

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

Gammu is a cellular manager for mobile phones/modems. It contains libraries and functions for ringtones,logos,phonebook,SMS,etc. (used by external software), a command line version (with backup/restore) and SMS gateway (with MySQL and PostgreSQL supp

The ZEG (Zero Effort Groupware) edition of SOGo is intended to provide a complete out-of-the-box testing environment of SOGo, the Open Source messaging and calendaring software.

BPYTOP is a feature-rich, terminal-based resource monitor written in Python 3 that provides a highly visual overview of system performance. It displays real-time usage and statistics for CPU, memory, disks, network, and processes, with colorful graphs and widgets that update at configurable intervals. Users can drill into a process list, sort by various metrics, view tree hierarchies, and quickly spot heavy resource consumers. The tool is highly configurable through both an in-app options menu and a detailed configuration file, allowing customization of themes, update frequency, graph types, temperature sensors, and which “boxes” (CPU, memory, network, processes) are shown. It supports temperature monitoring, per-core stats, I/O graphs, swap, battery information, and network auto-scaling, making it suitable for serious monitoring on laptops and servers alike.

khal is a standards based CLI and terminal calendar application. Because it can read and write events/icalendars to vdir, it is able to synchronize calendars with a variety of other programs, such as CalDAV servers, through vdirsyncer. khal offers a simple, traditional calendar view and events/ to-do lists with fast and easy ways to add new events. It also offers the option of browsing and editing calendars and events through ikhal (interactive khal). khal works with all major operating systems except for Microsoft Windows.

A full-featured, GTK-based control panel for IceWM, featuring an IceWM theme designer, IceSoundManager (sound events), IcePref2, & tools to manage wallpaper, cursors, keys, window options, & more. IceWMCP has a familiar, Control Panel-like interface.

EventGhost is an automation tool for MS Windows, that can be extended through plug-ins. Please visit http://www.eventghost.net/ to find more info and the latest release.

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.

etm provides an intuitive format for using plain text files to store data, a command line interface for viewing data in a variety of convenient ways and a GUI interface for both viewing and modifying data. Repetition and alerts are supported .

There are times you want to check how old you are (in years, months, days) or how long you need to wait for the next flash sale... pdd (python3 date diff) is a small cmdline utility to calculate date and time difference. If no program arguments are specified it shows the current date, time and timezone.

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.

System for market research for improved customer lifecycle management. Boosts acquisition, relationships, and collaboration through role-based access, scheduling, and task management

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!

TORCH is a web enabled electronic health record (EHR) application. TORCH is usable in single practitioner offices and scalable up to multi-site practices.

A Plone, Archetypes based product which provides reminder objects (a new eventlike content type) and a tool for processing reminder objects periodically.

Discover who lives close to each meeting, from your list of meeting locations and potential invitees.

Agenda de compromissos com data, hora e compromisso e agenda de endereços e telefones. Requer Python 2.7 e Python 2.7 PyGTK

Amphora Light is a Web-based groupware server written in Python and Zope. It offers basic office functionality: document sharing, calendars, tasks, contacts, internet databases in the context of a hierarchical organization and flexible access rights.

Part of a series of programs to fully automate Twitter/Bluesky marketing: 1. https://reactorcore.itch.io/web-link-collector-1000 (Collect links to your stuff) 2. https://reactorcore.itch.io/links-into-social-media-posts (Make those links into a social media posts spreadsheet) 3a. https://reactorcore.itch.io/automated-twitter-poster (Post them automatically from that spreadsheet, to Twitter) 3b. https://reactorcore.itch.io/automated-bluesky-poster (Post them automatically from that spreadsheet, to Bluesky) Basically focus more on your projects, let the marketing happen hands-free, automatically, forever. All programs are Free and Open Source, but please donate. Source Code and installation here, directly on Github: https://github.com/ReactorcoreGames/BlueskyAutoPoster (Note: It uses Github Actions to run the program)

Part of a series of programs to fully automate Twitter/Bluesky marketing: 1. https://reactorcore.itch.io/web-link-collector-1000 (Collect links to your stuff) 2. https://reactorcore.itch.io/links-into-social-media-posts (Make those links into a social media posts spreadsheet) 3a. https://reactorcore.itch.io/automated-twitter-poster (Post them automatically from that spreadsheet, to Twitter) 3b. https://reactorcore.itch.io/automated-bluesky-poster (Post them automatically from that spreadsheet, to Bluesky) Basically focus more on your projects, let the marketing happen hands-free, automatically, forever. All programs are Free and Open Source, but please donate. Source Code and installation here, directly on Github: https://github.com/ReactorcoreGames/TwitterAutoPoster (Note: It uses Github Actions to run the program)

BPManager allows a closed network of users to manage tasks through messaging. In some ways it's similar to work-flow management software but tasks are managed in a way that resembles an e-mail application. Requests can be filed, delegated, completed BPM

BetaCalendars SheetForge is an MIT-licensed Python toolkit for generating and validating deterministic printable Gregorian calendars. Build month grids and page layouts in SVG, HTML, JSON, or CSV. Configure week starts, natural or six-week grids, adjacent-day policies, and paper sizes; validate date and year-boundary behavior. Source code and release downloads are available in the Files area. Printable calendar references: https://www.betacalendars.com/

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.

0.9.5stable and beyond... USE THE EGGS! get CalendarX via egg or tarball at Pypi or dist.plone.org. CalendarX is a feature-rich calendar and event CMS built in python using Plone and Archetypes. Event categories (metacalendar) and more.