OpenConferenceWare is an open‑source conference management system for call‑for‑papers, scheduling, and attendee registration. Looking for free event‑management tools that can replace or complement it? Below are 20 alternatives you can use at no cost (open‑source or free‑tier).
Get targeted exposure with custom position pinning and highlighted placement.
Open‑source conference submission and scheduling platform with speaker‑centric workflow, review system, and agenda builder.
Free, Ruby‑based conference management suite for CFP, speaker management, scheduling, and public program publishing.
Rails‑based event manager for conferences, meetups, and workshops; handles registrations, payments, and agenda publishing.
FOSSASIA’s full‑stack open‑source solution for event websites, ticketing, agenda, and speaker management.
Laravel‑powered open‑source ticketing and event registration system with customizable checkout, QR tickets, and reporting.
Free core plugin for WordPress that enables event registration, ticketing, and basic attendee management.
Free community module of the Odoo ERP suite; lets you create events, manage registrations, and sell tickets.
Web‑based agenda builder and attendee app; free plan supports up to 100 attendees and basic scheduling.
Popular event platform; no fees for events that are free, offering registration pages, ticketing, and basic analytics.
Simple RSVP and ticketing tool with a free plan for up to 100 guests and basic customization.
Free event registration and ticketing for small events; includes email reminders and simple reporting.
Free online agenda creator for conferences; lets you publish schedules, speaker bios, and session details.
Drag‑and‑drop event website builder with free tier for basic events, including registration forms and ticketing.
Low‑cost ticketing platform offering a free plan for events with no ticket sales (free events only).
Event platform with zero fees for free tickets; provides event pages, RSVP, and basic promotion tools.
Customizable registration forms and ticketing; free plan includes up to 50 registrations per event.
Open‑source CRM extension for managing event registrations, payments, and participant communications.
Free Drupal module suite for creating event listings, calendars, and registration forms within a Drupal site.
Core Joomla! extension for event creation, ticketing, and attendee management; free version supports basic features.
Simple, free form builder that can be used for event RSVPs and basic registration data collection.