Booking & Scheduling

Cal.com

41K

Cal.com is the open-source scheduling platform for individuals and teams — a fully customizable, self-hostable alternative to Calendly with round-robin, routing forms, and built-in video.

Postiz

27K

Streamline your social media with Postiz. Schedule posts, analyze performance, and manage all accounts in one place.

Trigger

14K

Trigger is a TypeScript-based application that provides developer-friendly platform for building.

Free and open-source hotel reservation system and booking engine

Lago

9.4K

Lago handles billing system that handles metering as a self-hosted solution.

Leantime

9.4K

Leantime is a self-hosted project tracking tool with support for Project Management, SQL, project management.

Buildbot

5.4K

Buildbot is a self-hosted booking & scheduling replacement for Azure DevOps.

Inngest

5.1K

Inngest gives you simplify backend processes on your own infrastructure.

Rallly

5K

For event management, Rallly is a self-hosted solution that provides user-friendly, tool for coordinating events and meetings without the hassle of...

Radicale

4.5K

Radicale is a self-hosted calendar & contacts replacement for Google Calendar and Google Contacts.

Easy!Appointments

4.1K

Simple, self-hosted appointment scheduling for businesses that need booking without the complexity

Hi.Events

3.6K

Hi.Events is a self-hosted event management replacement for Bitly, Buffer, and more.

Flexprice

3.5K

Self-hosted event management tool that provides flexible billing platform.

Baïkal

3.1K

Baïkal is a PHP-based application that provides lightweight CALDAV and CARDDAV server based on sabre/dav.

EspoCRM

2.8K

EspoCRM offers relationship management, sales automation, marketing automation as a self-hosted CRM software.

DAVx⁵ lets you run CALDAV/CarDAV suite and sync app for Android entirely on your own server.

Sogo

2.1K

Sogo handles scalable groupware with calendars, contacts, and email as a self-hosted solution.

Self-hosted booking & scheduling tool that provides feature-rich event management system, made @ CERN, the place where the Web was born.

EteSync

1.7K

EteSync lets you run secure syncing for contacts, calendars, tasks, and notes entirely on your own server.

SabreDAV

1.7K

For calendar & contacts, SabreDAV is a self-hosted solution that provides CARDDAV, CALDAV, and WEBDAV framework and server.

Alf.io is a self-hosted booking & scheduling tool that provides ticket reservation system.

FluidCalendar

937

FluidCalendar is a TypeScript-based application that provides intelligent task scheduling and calendar management.

Osem is a Ruby-based application that provides event management tailored to Software conferences.

Pretalx is a self-hosted booking & scheduling tool that provides web-based event management.

Ontime

862

Ontime is a TypeScript-based application that provides timers for event rundowns, scheduling, and cueing.

Keeper

770

Keeper is a TypeScript-based application that provides calendar syncing and booking tool.

LibreBooking

690

LibreBooking lets you run resource scheduling solution offering a flexible entirely on your own server.

Davis

677

Davis gives you simple, dockerizable and translatable admin interface for sabre/dav based on Symfony 5 on your own infrastructure.

OpenSlides

596

OpenSlides is a Shell-based application that provides presentation and assembly system for managing and projecting agenda.

Manage My Damn Life

532

Self-hosted calendar & contacts tool that provides (MMDL) is a front end for managing your CALDAV tasks and calendars.

gathio

438

Gathio is a self-hosted fediverse & activitypub tool that provides self-destructing, shareable, no-registration event pages.

Kukkee

339

Kukkee offers easy poll creation, recent polls, user guides as a self-hosted booking & scheduling.

Seatsurfing lets you run webbased app to book seats, desks and rooms for offices entirely on your own server.

Meetable

163

Meetable lets you run minimal events aggregator website entirely on your own server.

Twake Chat

147

Twake Chat is a self-hosted kanban boards replacement for Microsoft Teams, Skype, and more.

Motion.tools (Antragsgrün) gives you manage motions and amendments for (political) conventions on your own infrastructure.

DAViCal

106

DAViCal handles calendar storage and sharing as a self-hosted solution.

Atria

86

Atria handles professional event management and networking as a self-hosted solution.

Revel

75

Self-hosted event management tool that provides community-focused event management and ticketing platform.

Gancio

45

Gancio is a self-hosted fediverse & activitypub tool that provides shared agenda for local communities.

Karrot

14

Self-hosted event management tool that provides activity planning tool for grassroots initiatives.

DAViCal

For booking & scheduling, DAViCal is a self-hosted solution that provides server for calendar sharing (CALDAV) that uses a PostgreSQL database as a data store.

HiveDAV

HiveDAV handles curlable /busy scheduler with CALDAV integration as a self-hosted solution.

Released under GPL-3.0, Xandikos provides CARDDAV and CALDAV server with minimal administrative overhead, backed by a Git repository on self-hosted...