Free and open first
Best Forum Software in 2026
Forum software gives a site or community a place for threaded discussions, member accounts and shared posts. This list includes web, self-hosted, iOS, Android, API and extension-based options.
- 20 apps
- Research read 7 Oct 2026
- How the order is worked out
- 1
- 2
- 3
- 4
- 5
Forumotion
Free plan Web - 6
MyBB
Free plan Self-hostedWebMyBB offers forum features and customization without a software charge, but you must arrange hosting and meet the server requirements.
- 7
ProBoards
Free plan AndroidiPhoneWeb - 8
phpBB
Free plan Self-hostedWebphpBB offers forum-building tools with extension and style customization at no software cost.
- 9
Simple Machines Forum
Free plan Self-hostedWeb - 10
- 11
Meith
Free plan Web - 12
PlushForums
Free trial AndroidiPhoneWeb - 13
Khoros Communities
by Khoros CommunitiesPaid AndroidAPIiPhone+1Choose Khoros Communities if your brand needs a configurable space for customer self-service, peer support, and varied forms of engagement.
- 14
miniBB
Free plan Web - 15
Forums.net
Paid AndroidiPhoneWebChoose Forums.net if your organization needs a hosted community with discussion features, access controls and support options.
5.7 Visit site - 16
Nexus
Free plan Web - 17
WoltLab Suite
Free trial ExtensionSelf-hostedWebWoltLab Suite combines community software with cloud hosting and self-hosting choices.
- 18
XenForo
Paid APISelf-hostedWebXenForo provides forum software with broad content, moderation, security, and extension features.
5.2 Visit site - 19
vBulletin
Paid Self-hostedWebvBulletin offers community channels, moderation and page customization in hosted and self-hosted forms.
5.1 Visit site - 20
UBB.threads
Paid Web4.0 Visit site
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare free plans, free trials and paid starting prices. Check hosting model, single sign-on, custom domains, member limits and mobile apps; if code access matters, read the licence for a self-hosted option.
Questions
What does forum software do?
It provides a place for threaded discussions, member accounts and shared posts through platforms such as the web, self-hosted systems, mobile apps, APIs or extensions.
Which forum tools have a free plan?
Forumotion, Meith, miniBB, MyBB and Nexus are marked with a free plan. bbPress and Flarum use a free pricing model.
Does Forums.net have a free option?
Forums.net is listed as paid, with no free plan and no free trial.
Can I run forum software myself?
Self-hosted platforms are included in this category. Check the tool's licence, hosting requirements and maintenance needs before installing one.
What should I compare before choosing?
Compare free plan, paid starting price, hosting model, single sign-on, custom domain, member limit and mobile apps.
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