Business

Events and Scheduling

Cal.com
8.5

Cal.com is a versatile scheduling tool that simplifies appointment booking for individuals and teams, enhancing productivity and coordination.

Activity

Maturity

License: AGPL-3.0


36710
449
Has commercial version
HTML
TypeScript
MDX
CSS
Indico
7.4

Indico: Versatile platform for event management, featuring tools for event organization, scheduling, paper reviewing, and seamless collaboration.

Activity

Maturity

License: MIT


1902
109
In-house OSS project
HTML
Python
JavaScript
QloApps
7.3

QloApps is a comprehensive hotel management software that simplifies booking, reservation, and management processes for hospitality businesses.

Activity

Maturity

License: OSL-3.0


5859
13
Has commercial version
PHP
Smarty
JavaScript
Hi.Events
6.9

Hi.Events is a versatile event management platform offering scalable solutions for organizing, tracking, and enhancing event experiences.

Activity

Maturity

License: Unknown


2958
22
Has commercial version
TypeScript
PHP
SCSS
Rallly
6.9

Rallly is a scheduling tool that simplifies organizing events and meetings with friends or colleagues through collaborative polls.

Activity

Maturity

License: AGPL-3.0


4453
30
Has commercial version
TypeScript
MDX
JavaScript
Easy!Appointments
6.8

Easy!Appointments is a web application for efficient appointment booking, management, and scheduling with seamless Google Calendar sync.

Activity

Maturity

License: GPL-3.0


3725
89
Provides commercial services
PHP
CSS
SCSS
JavaScript
Open Event Server
6.8

A scalable server to organize and manage events, with features for scheduling, ticketing, and attendee management.

Activity

Maturity

License: GPL-3.0


3000
220
Has commercial version
HTML
Python
Shell
Alf.io
6.7

Effortlessly manage events, registrations, and payments with alf.io—a powerful, user-friendly event management platform.

Activity

Maturity

License: GPL-3.0


1488
54
Donations
HTML
Java
JavaScript