Automatically sync calendars and contacts between Thunderbird, Outlook and Android devices, without using the cloud or servers.
- Calendar App
- Free • Proprietary
- Windows
- Android
- Android Tablet
- Microsoft Office Outlook
- Thunderbird

Automatically sync calendars and contacts between Thunderbird, Outlook and Android devices, without using the cloud or servers.

A simple, self-hostable group calendar. Feber is a single PHP file (+assets) that runs on virtually every webhost.

At TixFox, we are dedicated to simplifying the event management experience. Our platform empowers event organizers to easily create, manage, and sell tickets for their events with a user-friendly interface.



Talkbase transforms community activity into actionable analytics. Discover how each interaction boosts business metrics, from sales to customer satisfaction, and fuel your growth with insights that matter.

Couchers.org is the modern alternative to Couchsurfing. Completely free, non-profit and community-led, Couchers.org is a platform to host travellers from around the world and join communities of like-minded people.
A JavaScript event calendar. Customizable and open source.

View today’s schedule right from the menu bar. The perfect companion to the built-in Calendar app.

Introducing minical – a sleek calendar app designed for effortless functionality. Stripped down to its essence, minical boasts a clean and intuitive interface that offers just what you need, without the excess baggage.



Audio library, Unlimited Playlists, Hotkeys in 4 banks. OnCue lets you easy plan and play out any sound on a given event.

Event ticketing where you (the event organiser) is in control.

Keep track of important events, and gain insight into your product and business with our simple to use, and quick to set up event tracking platform.

PollUp makes it easy to create more engaging and connected events by giving you a canvas called the "event wall". The wall collects posts from social media and a PollUp mobile site, also allowing organizers to engage their audience with polls.

Create robust and affordable team-building games such as scavenger hunts, team races, gamified events, and self-guided tours. Try it For Free on PlayTours Website.



A new modern event management platform that allows you to manage and sell tickets to free and paid events with out having to pay for anything. Fees are astronomically much lower than Eventbrite and other competitors.

Beekast is collective intelligence tool that makes your in-person or remote presentations more effective.

Indico is a general-purpose event management tool that is web-based and feature-rich. It is extensible through plugins and is an open-source software under the MIT License. It was developed at CERN.

Mobile first open-source RSVP platform. Alternative for Meetup & Eventbrite and Partiful for small companies and groups.

Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent calendar that sits right on your Windows desktop.

Meetly is a video meeting app that allows you to easily communicate with your friends, family, or colleagues. Meetly makes online meetings easier. No sign-up is required.



Platform where you can search, propose, take part, help organize or publish workshops, lectures, discussions, etc... Easy to use and powerful. Openki aims at connecting people and local initiatives in order to exchange experiences and ideas.

OddCircles is a versatile platform that aids community and event managers. It offers event planning tools to streamline management, including event page creation, registration forms, ticket sales, and attendee tracking.

Abrechnung is a payment tracking and expense splitting application, especially useful for larger groups.

Work with our L&D experts to design and deliver a solution that everyone will love. Easy to create, automate, report on and manage learning.

Get Together is an open source event manager for local communities.
