Free and open first
Best Discussion Forum Software in 2026
Discussion forum software helps people post topics, ask questions, and reply in organized conversations. This list includes tools delivered as self-hosted software, web services, APIs, extensions, and apps for macOS or iOS.
- 16 apps
- Research read 22 Oct 2026
- How the order is worked out
- 1
- 2
- 3
- 4
MyBB
Free plan Self-hostedWebMyBB offers forum features and customization without a software charge, but you must arrange hosting and meet the server requirements.
- 5
Question2Answer
Free plan Self-hostedWebChoose Question2Answer for a self-hosted community that needs member questions, answers, roles and moderation tools in free, open-source software.
- 6
Invision Community
Free trial AndroidAPIiPhone+2Choose Invision Community if you want community discussions, publishing, events, pages, and learning tools in one platform.
- 7 5.9 Visit site
- 8
Talkyard
Free trial APISelf-hostedWebTalkyard combines team discussions, Q&A, idea management, and blog commenting. It is more focused on structured collaboration than on full-featured chat.
- 9 5.7 Visit site
- 10
WoltLab Suite
Free trial ExtensionSelf-hostedWebWoltLab Suite combines community software with cloud hosting and self-hosting choices.
- 11 5.5 Visit site
- 12
XenForo
Paid APISelf-hostedWebXenForo provides forum software with broad content, moderation, security, and extension features.
5.2 Visit site - 13
vBulletin
Paid Self-hostedWebvBulletin offers community channels, moderation and page customization in hosted and self-hosted forms.
5.1 Visit site - 14 4.4 Visit site
- 15 4.1 Visit site
- 16 4.0 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 where a tool runs, whether it has a free plan or trial, and what payment is required. If you need to read or change code, check the tool's licence before choosing it; also check hosting needs and compatibility with your setup.
Questions
What is discussion forum software?
It provides a place for people to create topics, post questions, and continue conversations through replies.
Can I find a free forum tool?
Yes. Tools on this list include free pricing and free plans. Check the terms and features of the option you are considering.
Do any options offer a trial?
Yes. Invision Community lists a 30-day trial. Trial terms can differ, so review what is included and what happens afterward.
What platforms are covered?
The listed tools run as self-hosted software, web services, APIs, extensions, or apps for macOS and iOS.
What should I check before changing code?
Read the software licence and hosting terms to confirm whether modification and redistribution fit your plans.
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