Flarum – Delightfully simple open-source forum software

In plain words

Flarum is free, open-source forum software designed for communities of any size. It provides a fast, lightweight platform with built-in moderation tools, permission controls, and customization options through extensions and themes. Users can choose between Markdown and WYSIWYG editors, and administrators can configure settings, install themes, or write custom CSS to personalize the forum experience across the entire platform.

written from the facts on this page · September 2026

From the sources

Beautiful, fast, and free — Flarum is the open‑source forum software your community has been waiting for. Flarum scales from small hobby communities to large enterprise forums. Customise every aspect through a rich ecosystem of extensions. Assign permissions to groups, control member access across categories, and keep things tidy with built-in moderation and flagging. Customise via admin settings, install themes, or write custom CSS that propagates across your entire forum automatically. Choose from lightweight Markdown editors to full WYSIWYG — Flarum supports both, meeting users wherever they are comfortable. In-browser notifications, email digests, and real-time websocket…from flarum.org

• 
  Flarum2015 · flarum.org · ▲134

  Online discussion forums made simple

• 
  Flarum2015 · flarum.org · ▲29

  Beautiful open-source forum software

• 
  Flarum Pro2018 · ▲147

  Modern discussion boards for your audience.

• 
  Flarum2015 · flarum.org · ▲9

  Delightfully simple forums.

• 
  Flarum2015 · github.com · ▲2

  A modern, open forum app built for vibrant communities

• 
  Flarum2015 · flarum.org · ▲2

  Delightfully simple open-source forum software

• 
  /dev/null▲482

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

• 
  Talanoa▲343

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Product Hunt LIVE 💬▲848

  Chat with some of the world’s most interesting makers

  Life & fun · 2015

• 
  Nebia Shower▲838

  Better shower, 70% less water

  Life & fun · 2015 · brondell.com

• MS
  My SSH server knows who you are▲836

  Life & fun · 2015 · blog.filippo.io

• 
  M▲714

  A personal assistant built inside Facebook Messenger

  Work · 2015 · facebook.com

• 
  Content Marketing Stack▲673

  A curated directory of content marketing resources

  Growth · 2015 · contentmarketingstack.co

• 
  Growth Hacking Tools▲650

  A curated collection of growth hacking tools

  Growth · 2015