Prismm Alternatives (January 2026)

Prismm

Prismm (formerly Allseated) - Online Event Planning Software Platform

https://prism.com/

Event planning software from Prismm to help you design an event or sell your event space more effectively. Previously known as Allseated.

4.7/5

143+ reviews

Reviewed on:

G2
Capterra
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Softwareadvice
1.
RSVPify - Event Software, Online RSVP and Event Registration
https://rsvpif
.com/

Powerful event software with online invitation and RSVP, event registration, check-in and more for business, nonprofits, education, and more.

2.
Event Housing Management Software
https://meetingma
.cc/

Meetingmax simplifies event housing management. Control your room blocks while creating a seamless hotel booking experience for attendees.

3.
Cvent | Event Platform for In-person, Virtual, and Hybrid Events & Webinars
https://www.cven
.com/

Cvent provides software to planners for event management, marketing and attendee engagement, and also helps hotels win business through our sourcing platforms.

4.
Event Management Software from EventPro360
https://eventpro36
.com/

Event management software system designed for Golf & Banquet industry professionals. Track all event details and generate BEO, CEO and GEO documents.

5.
Event Marketing and Registration Software - Eventzilla
https://www.eventzill
.net/

Simplify event management with Eventzilla: automate registrations, promotions, engagement, and check-ins. Create stunning event pages and apps in minutes.

6.
OpenCities Planner: Digital Twin Software | Bentley Systems
https://www.bentle
.com/software/opencities-planner/

Visualize 2D, 3D, and GIS data in a city-scale digital twin and share large-scale projects spanning entire cities down to street level with OpenCities Planner.

7.
Design Spaces | Configura
https://www.configur
.com/

We offer space planning software solutions that will help you streamline your sales, design and order processes.

8.
Event Scheduling Software by Sched
https://sche
.com/

Sched is event scheduling software for planning, organizing, promoting, managing, and executing excellent in-person, online, and hybrid events.

9.
Swoogo | Event Management Software
https://www.swoog
.com/

A customizable event management platform made for event profs who plan in-person, virtual, or hybrid events. Make event management fun.