Best forum software

A list of forum tools,
written by people who built one.

We make one of these tools, so ours is first and labeled. Everything else is described by who it suits and what it asks of you. Read the shape of the price, not the sticker.

This list covers forum and Q&A software for your own customers or members. It is not about ticketing tools or chat widgets.

Free for 7 days. No credit card. Live in about five minutes.

5 minfrom sign-up to a live portal
0servers to run or patch
$9one time for a working portal
7 daysfree, no card needed

Three shapes

Every forum tool is one of three shapes

Before the names, the shapes. Almost every option below is one of these three. The shape decides what your year looks like, more than the feature list does.

Open source, you host itPaid license, you host itHosted service
SetupA server, a database, a deployA server, a database, a license keySign in and name it
Who patches itYou, every releaseYou, every releaseThe vendor
Price shapeFree software, plus a server bill and your timeA payment for the license, plus the server billA plan fee
Private areasUsually a plugin or a permission setUsually built inVaries by vendor
Your own domainYours, once DNS and SSL are doneYours, once DNS and SSL are doneOften a paid tier
Best whenYou enjoy running serversYou want a polished board and can run itYou want the forum, not the job

Forumcat is the hosted shape: $9 one time on a subdomain, $99 a month on your own domain, and nothing to patch.

The list

Nine forum tools, and who each one is for

Ours is first because we made it, not because we scored it highest. Every other entry starts with what it does well. Prices are numbers only where we can point at a public source. Everywhere else they are a shape, in words.

  1. 1

    Forumcat (ours)

    Best for
    Support, success, and product teams who want a public place for customer questions, without running a server for it.
    Price
    $9 one time for a portal on a Forumcat subdomain. $99 a month, or $990 a year, for your own domain and higher caps. 7 days free, no card.
    Does well
    Live in about five minutes, with nothing to install. Search, votes, and one accepted solution pinned under the question. Private questions and private categories. Five roles for your team. Every answered question ships QAPage structured data and a plain markdown view. REST and MCP come with every plan.
    Worth weighing
    It is new and deliberately small. There is no importer from anywhere, no embeddable widget, and no integrations beyond REST and MCP. Replies are one flat stream, never threaded, and the small "Powered by" badge stays on every plan.
  2. 2

    Discourse

    Best for
    Large public communities with someone on the team who is happy to run infrastructure.
    Price
    Free and open source if you host it. On its own hosting, users report "$50 per month" to start. One post cites a "Standard Plan at $100 per month" (reddit.com/r/selfhosted, as of Jul 2026).
    Does well
    A deep, mature open-source forum. Careful moderation tools, trust levels, a large plugin ecosystem, and an active community around the project itself.
    Worth weighing
    Depth is the cost. Self-hosting means Docker, a server, and update days. People who run it describe the settings as a lot to take in. There is no import path from it to here, so moving means starting fresh.

    How it compares →

  3. 3

    Flarum

    Best for
    Small communities that want a light, modern board and already have PHP hosting.
    Price
    Free, open source, you host it.
    Does well
    Fast and clean, with a simple reading experience and a small footprint. The extension system keeps the core light instead of shipping everything at once.
    Worth weighing
    You supply the server, the PHP setup, the mail sending, and the updates. Extensions come from the community, so keeping a set of them working together is your job.

    How it compares →

  4. 4

    NodeBB

    Best for
    Teams comfortable with Node.js who want a live-feeling discussion board.
    Price
    Free and open source if you host it. The makers also sell hosted plans, priced by plan.
    Does well
    Real-time updates, a modern admin, and a plugin market. It is pleasant to use on a phone and it scales well for a busy board.
    Worth weighing
    Self-hosting means Node, a database, and a cache to keep running, plus the updates. The hosted option removes that work and moves you to a monthly bill.

    How it compares →

  5. 5

    phpBB

    Best for
    Classic message boards and hobby communities, often on cheap shared hosting.
    Price
    Free, open source, you host it.
    Does well
    It has been running forums for two decades and it runs almost anywhere PHP does. Huge community, many styles and extensions, and no license to buy.
    Worth weighing
    The default look and the admin panel feel their age. You own the patching, the spam fight, and the backups. Fine for a hobby board, heavy for a support team.

    How it compares →

  6. 6

    XenForo

    Best for
    Large hobby and enthusiast forums that want a polished paid board and can host it.
    Price
    A paid license you buy once, with a renewal to keep getting updates. You still host it.
    Does well
    Well-built and quick, with a strong admin experience and a healthy add-on market. Many large independent forums run on it.
    Worth weighing
    You pay for the license and still run the server, the upgrades, and the backups. It is built for community discussion rather than for a support team answering the same question weekly.

    How it compares →

  7. 7

    Website Toolbox

    Best for
    Someone who wants a hosted forum attached to an existing site without touching a server.
    Price
    Hosted, sold by plan, with limits that step up as the forum grows.
    Does well
    Hosted for a long time, so there is nothing to patch. It attaches to an existing website without a migration project.
    Worth weighing
    The cheap starter plan is easy to outgrow, reviewers on theadminzone.com say (as of Jul 2026). Read the caps, and price the tier above the one you plan to buy.

    How it compares →

  8. 8

    Vanilla Forums (Higher Logic)

    Best for
    Enterprise customer communities with a procurement process and a budget line.
    Price
    Hosted, quote based.
    Does well
    A long-running enterprise community product. It has the moderation and customization a large team expects, and people who help you launch.
    Worth weighing
    Expect a sales cycle rather than a sign-up. The brand now sits inside Higher Logic, and attention has moved to the parent company.

    How it compares →

  9. 9

    Invision Community

    Best for
    Established communities that want forums plus extra modules in one suite.
    Price
    Paid, sold by plan.
    Does well
    A mature suite. Forums sit next to other applications, like galleries and pages. One product covers a lot of ground for a big community.
    Worth weighing
    It is a lot of product. If all you need is a public place for customer questions, most of the suite goes unused. It still needs looking after.

    How it compares →

What people say

What people say when they leave self-hosting

Both quotes are about Discourse, one of the strongest self-hosted tools. Neither says the software is bad. They are about the running of it.

The Discourse forum software is fantastic, but quite hard to install and self-host.
communiteq.com
you need to run a separate VM to run something as simple as forum software
Hacker News

Simple

The simplest forum on this list

Sign in, type a name, pick an address. The portal is live while you are still on the page. The first question can be answered a minute later.

There is no plugin list to work through and no settings maze. The easiest forum to set up is the one where setup is a name and an address.

Launch your portal →

dashboard.forumcat.com/w/new
The create-a-forum form: a name and an address, live preview of the portal URL.

On a phone

A forum app on any phone, with nothing to install

Customers do not want another app. Every page here is light and server-rendered, so it opens quickly on a phone on a slow connection.

They can read and search with no account at all. To ask or vote, they sign in with a magic link, a 6-digit code, or Google. All three beat typing a password on a phone.

The portal home page on a phone.

Private

A private forum, when the case should not be public

Staff can mark any question private. Only the person who asked it and your team can open it after that.

A whole category can be private too, so every question posted there starts private. The rest of the portal stays public and findable.

  • Private questions, set by your team on the thread
  • Private categories, private by default
  • Five roles, so the right people see the right things
demo.myforumcat.com/q/...
A private question as staff see it: a Private label on the thread that only the asker and the team can open.

Free

A free forum, honestly

Free forum software is real. What is not free is the server it runs on, the updates, the certificate, and the backups. Nor is the evening you spend when a release breaks a plugin.

Here the trial is 7 days free with no card, so you can put real questions in before you decide. After that, Basic is $9 one time and the portal stays live.

Do you need a server for a forum? Not for this one. That is the whole trade.

Pricing

One flat price. No surprises.

Not per user. Not per question. Grow all you want, your bill stays the same. More traffic is good news, not a bigger bill.

Basic

$9 one-time

Create your portal
  • Portal on yourcompany.myforumcat.com
  • 2 team seats
  • 1,000 registered members
  • 10,000 questions
  • 1 GB (≈2,000 images) of media
  • Full SEO and GEO: structured data + sitemap
  • Analytics built in
most popular

Pro

$99 per month

Start with Pro

Everything in Basic, plus

  • Your own custom domain
  • Unlimited team seats
  • 10,000 registered members
  • Unlimited questions
  • 50 GB (≈100,000 images) of media
  • 1,000,000 page views / month

Compare every plan →

FAQ

Fair questions

Which forum software is best for a small support team?

Answer

The one nobody has to maintain. A hosted portal is live in about five minutes, and no one owns a server.

How fast can we be live?

Answer

About five minutes. Sign in, name your portal, and it is online at yourcompany.myforumcat.com. Nothing to install.

What does it cost in month twelve?

Answer

The same as month one. $9 one time for a portal on a Forumcat subdomain, or $99 a month for your own domain. The bill never grows with traffic or questions.

Can we import our old forum or help docs?

Answer

Not today. There is no importer. Most teams start fresh and let the new questions build the archive, which is live in minutes.

Who can see a private question?

Answer

Only the person who asked it and your team. Whole categories can be private too, so every question posted there starts private.

Does it work on our own domain?

Answer

Yes, on Pro. Point a subdomain like help.yourcompany.com at Forumcat and SSL is set up for you. Your Forumcat subdomain redirects to it.

Will a forum on your platform be indexed by Google?

Answer

Yes. Pages are server-rendered, with clean addresses, a sitemap, and QAPage structured data on every answered question. AI engines read the same answers through the markdown view.

Try the entry we wrote first

7 days free, no card. If it is not the simplest one on the list, tell us where it is not.

Create your portal

Then $9 one time, or $99 a month on your own domain.