Calendar Software


  • More...
    • More...

Category Category

License License

    • More...

Translations Translations

  • More...

Programming Language Programming Language

  • More...

Status Status

  • More...

Audience Audience

    • More...

User Interface User Interface

    • More...
  • More...

Database Environment Database Environment

Freshness Freshness

Calendar Software

  • The First VoIP Communications Cloud in the World The First VoIP Communications Cloud in the World Icon
    The First VoIP Communications Cloud in the World Icon

    The Smarter Business Phone Solution

    • Powerful Unified Communication Features
    • Fast, Easy, Free Setup & Install
    • Trusted by 47,000+ Companies in 100 Countries
  • DigitalOcean - The Total Cloud Computing Platform DigitalOcean - The Total Cloud Computing Platform Icon
    DigitalOcean - The Total Cloud Computing Platform Icon

    Our platform was built with simplicity at the forefront, so developers can build and deploy with ease.

    DigitalOcean's predictable format removes infrastructure friction and allows developers more time to build software customers love. Easily deploy, manage, and scale applications of any size. DigitalOcean also provides the support you need with hundreds of in-depth tutorials and an active online community.
  • Vtiger CRM Icon

    Vtiger CRM

    An enterprise-class CRM and more!

    Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. Vtiger CRM also includes email, inventory, project management, and other tools, providing a complete the business management suite. Download Vtiger CRM here or sign up for a free 15-day free trial of the cloud-based application with free updates and support at

  • PAGE

    PAGE is a drag-and-drop GUI generator for Python and Tkinter aimed at building Python modules which can display a relatively simple GUI constructed from Tk and ttk widget sets using the Place Geometry Manager.

  • Free Association (libical)

    !!We've Moved to GitHub at !!The code here on SourceForge is frozen !!Please follow us at The Free Association project maintains libical, an open source reference implementation of the icalendar data type and serialization format. libical is used in dozens of calendaring and scheduling products.

  • Group-Office groupware and CRM Icon

    Group-Office groupware and CRM

    Take your office and CRM into the cloud!

    Take your office online with GroupOffice groupware. and CRM Share projects, calendars, files and e-mail online with co-workers and clients. Easy to use and fully customizable, GroupOffice takes online collaboration to the next level.

  • openCRX - Enterprise Class CRM Icon

    openCRX - Enterprise Class CRM

    professional CRM and groupware service, ready for the cloud

    NEW VERSION 4.1.0: openCRX is a professional CRM service (customer relationship management) deployable to all major platforms. openCRX is multi-entity enabled, scalable, a real enterprise-class CRM-solution that runs on Apache TomEE.

  • Monitor Your Most Critical Cloud & SaaS Applications Monitor Your Most Critical Cloud & SaaS Applications Icon
    Monitor Your Most Critical Cloud & SaaS Applications Icon

    Get insights into the performance of applications and services such as AWS, Salesforce, Office 365 and WebEx.

    With a view into both web and network health, you'll be able to pinpoint the cause of an outage instantly, whether it's within your network, a provider's network or the SaaS application. Save time, track SLAs and clear tickets faster.
    Are you involved with your company's network performance/operations team?
    Try It FREE!
  • Osmo  Icon


    Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.

  • Web Appointment Scheduling System Icon

    Web Appointment Scheduling System

    Web-based appointment scheduler

    The Web Appointment Scheduling System (WASS) is a system for scheduling and managing appointments over the Web. WASS includes a comprehensive system for creating/displaying appointment schedules, and an email and iCal appointment notification facility.

  • C-CPP Calendar Icon

    C-CPP Calendar

    Calendar App To Perform Date-Time Related Functions

    Github - C-CPP Calendar app is a easy to use app to do all the functions that a calendar is used for. The app is very handy and extremely better than using a physical calendar. It is available as both x86 and a x64 versions. The app can display day of any date in the Gregorian calendar (1753 - 9999). It can be used to display calendar of a month of a year. The most awesome feature is that it displays the calendar of a year in a well formatted layout like a paper calendar and also generate a text file for the same. It is very handy when it displays the dates in a month on which a day occurs in that month. C-CPP Calendar provides personalized user account with password protection (MD5 based). C-CPP Calendar is compatible with Windows 2000 up-to Windows 10. Though no official support is there for Linux or mac, it was tested to be work

  • SportsTracker Icon


    Application for tracking your sport activities.

    Application for tracking sporting activities for all sport types (e.g. cycling, running, swimming or tennis). It provides exercise overviews and the creation of statistics. Users of heartrate monitors can display and organize the recorded exercise data.

  • Java Calendar Tools

    The Java Calendar Tools project will contain open source components for use in Calendar applications. The focus will be on providing tools that are in compliance with existing standards like iCal (RFC 2445).

  • Get your Apps to customers 5x faster with RAD Studio. Get your Apps to customers 5x faster with RAD Studio. Icon
    Get your Apps to customers 5x faster with RAD Studio. Icon

    The easiest and most powerful cross platform development tool available on the market. Start a free trial today (no credit card needed).

    RAD StudioTM: Build cross-platform apps ridiculously FAST!
    • Delivering fast and powerful native applications for Windows, Linux, macOS, iOS, Android, cloud and IoT.
    • Rapidly design, build, and run applications optimized for native performance, from a single code base across all platforms.
    • Securely connect and embed any data, on any tier, in the Enterprise, or cloud.
  • BORG Calendar

    BORG is a calendar and task tracking system written in Java. The calendar provides a nice month view, month-print, email reminders, popup reminders and to do list. The task tracker tracks issues through various states.

    Downloads: 33 This Week Last Update: See Project
  • IGSuite - Integrated Groupware Suite Icon

    IGSuite - Integrated Groupware Suite

    IGSuite is a web-ajax-based Integrated Groupware Suite

    IGSuite is a web-based Integrated Groupware Suite oriented to be a CRM solution. In the Suite you can find: IGWebMail, IGCalendar, IGContacts, IGArchive, IGWiki, IGTodo, IGChat, Projects, IGFax an HylaFax client, IGFileManager, IGMsg and many other.

  • Kalibro for Calibration & Maintenance Icon

    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 ( for further details.

    Downloads: 24 This Week Last Update: See Project
  • Calizo

    Calizo is a calendar with a zoomable timeline. Unlimited zooming allows to manage historic, genealogical, biographic data, everyday tasks, projects or life plans - for scheduling, genealogy, project management, todo lists, link- and file- organizatio

  • Divingplan Icon


    Plan to determine when to "dive" in which dumpster. You can enter how full the dumpster on which days is and how the quality is.

    Downloads: 16 This Week Last Update: See Project
  • Zimbra Collaboration Suite

    Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Please see for the latest news and downloads.

  • Qualinnove Extensions for Egroupware

    It's professional Extensions modules for Egroupware : Issue, decision and risk mgmt,Meeting Agenda/Report,Project Capitalisation PDF for every egw modules, objective mgmt, project team and calendar, dashboard, ISO 15504 SPICE Process Description

  • tpl

    Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.

    Downloads: 6 This Week Last Update: See Project
  • Bumblebee Instrument Management System Icon

    Bumblebee Instrument Management System

    Equipment/instrumentation booking and usage accounting system. Designed primarily for use in academic laboratories where a number of users share a set of instruments (e.g. NMR machines, microscopes, fume hoods).

  • Office Hours Scheduling System

    A web-based system for posting and scheduling office hour appointments.

    Downloads: 5 This Week Last Update: See Project
  • PHPAdvocat

    lawyer office suite

    PHPAdvocat (Anwaltskanzlei-Suite) is a web based office suite for lawyer offices to manage contacts, files/documents, invoices and events. It is written in PHP and stores data in a PostgreSQL or MySQL database. Though it is mainly designed for german offices it should be adoptable for other countries.

  • TiMo - Time is Money

    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: 3 This Week Last Update: See Project
  • DateTimeCalc Icon


    A simple GUI utility to do time and date calculations. I had the code for command-line operation, but thought it would be better as a portable GUI application. This project relies on Qt libraries.

  • icalendar aware desktop widget

    A iCalendar aware desktop widget for fluxbox and the like.

    Downloads: 1 This Week Last Update: See Project
  • ATReminder

    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 Last Update: See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next

Get latest updates about Open Source Projects, Conferences and News.

No, Thank you