Top 12 Open-Source Alternatives to Google Groups

The top open-source alternatives to Google Groups are Admidio, Tendenci, and Discourse. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Admidio Landing Page
1

Admidio

Admidio is a free online membership management, which is optimized for associations, groups and organizations.
Pricing:
- Open Source
#Membership Management #Event Management #Association Management Software
Tendenci Landing Page
2

Tendenci

Tendenci - The Open Source AMS is a cloud-based all-in-one management SaaS solution for Non-profits and Associations.
Pricing:
- Open Source
- Freemium
#Membership Management #Open Source #Association Management Software
Discourse Landing Page
3

Discourse

Discourse is an open source discussion platform built for the next decade of the Internet.
Pricing:
- Open Source
- Paid
- Free Trial
- $100.0 / Monthly
#Forums #Forums And Forum Software #Community Platform 23 social mentions
MyBB Landing Page
4

MyBB

MyBB is a discussion board software that runs on PHP and MySQL
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 8 social mentions
InterNations Landing Page
5

InterNations

The leading network & guide for expats in 420 cities worldwide. Connect with fellow expatriates at top events and receive tips & advice on expat life.
Pricing:
- Open Source
- Freemium
- Free Trial
#Social Networks #Community Platform #Decentralized Social Network
b2match Landing Page
6

b2match

b2match is an AI-powered event networking platform that enables you to run engaging in-person, virtual, and hybrid events in a b2b environment.
Pricing:
- Open Source
- Paid
- Free Trial
#Software Development #Event Management #Online Services
Attendize Event Ticketing Landing Page
7

Attendize Event Ticketing

Attendize is a free & open-source ticket selling and event management platform
Pricing:
- Open Source
#Event Management #Online Ticketing #Event Registration
Flarum Landing Page
8

Flarum

Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 34 social mentions
phpBB Landing Page
9

phpBB

Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 2 social mentions
Simple Machines Forum Landing Page
10

Simple Machines Forum

Simple Machines offers free open source software such as SMF, the powerful and easy to use community forum written in PHP. Start interesting discussions on your website!
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 4 social mentions
NodeBB Landing Page
11

NodeBB

NodeBB Forum Software - A better community platform for the modern web. NodeBB is a next generation forum software that's free and easy to use.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 3 social mentions
Roundcube Landing Page
12

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #Email Clients #SMTP Server 16 social mentions