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Forum is a great place where people can have discussions and postings. Generally, a forum is a community with lots of user inputs and needs moderators to moderate the posts.
If you want to setup your own forum, you can go for either open source forum scripts or commercial forum scripts such as Invision Power Board. Should you choose a commercial forum script or open source forum script? It is depends on your requirements and also you or your forum’s administrator experience.
Today, we are going to share 12 Free And Open Source PHP Forum Scripts where you can easily build your forum and online community with them.
1. phpBB
phpBB is the most popular and wide-used open source PHP forum script. It has an easy to use administrator control panel and takes only few minutes to install. phpBB is very customizable, you can easily create your own themes and modifications to the script. If you face any problem with phpBB, you can always refer to the documentation.

2. bbPress
bbPress is a free and open source PHP forum scripts by the creators or Wordpress. It has a complete documentation, plugins directory and also an active community. Similar with Wordpress, bbPress is easy to customize and has a pretty URL structure which is good for SEO purpose.

3. SMF: Simple Machines Forum
SMF is a powerful forum script which you can integrate and connect your forum with various CMS such as e107, Mambo, Xoops and iGamingCMS. The SSI( Server Side Includes) lets you interact your website and forum easily. Beside these, SMF also support multiple languages and has an advanced permission and user management. More features and be implemented through the Modifications/plugins.

4. MyBB
MyBB is yet another promising free open source PHP forum script. You can easily switch to MyBB from vB, IPB, phpBB and SMF through the official MyBB Merge System. The plugin system lets you easily extend the forum functionality.

5. SEO-Board
SEO-Board is a free, fast and search engine friendly forum script. It comes with simple interfaces and doesn’t have fancy festures. What it has is the core and main features of a forum application such as anti-spam protection, multi-language, bsic BBCode, RSS/Atom and etc. It is free for both personal and commercial use. SEO-Board is very suitable simple forum which focus on speed and search engine friendly.

6. PunBB
PunBB is a lightweight PHP-powered discussion board. Its primary goals are to be faster, smaller and less graphically intensive as compared to other discussion scripts. PunBB has an extensions repository where you can download, install and add extra functionality to your forum.

7. FluxBB
FluxBB supports different types of databases such as MySQL, PostgreSQL and SQLite. FluxBB is a fork of PunBB and they decided to fork the project when PunBB was sold to a commercial company.

8. Vanilla
Vanilla is an open-source, standards-compliant, multi-lingual, theme-able, pluggable discussion forum for the web. It requires PHP5 and above to use. Currently, they have more than 450 addons for you to choose, which including themes, plugins and applications.

9. Phorum
Phorum has a very flexible hook and module system, which allows developers to easily create modules for customization. The pure HTML template system is easy to understand and designers can create templates that meet the client requirements.

10. IceBB
Ice is a powerful and fast PHP forum application. It has a powerful admin control center and the PHP skinning system lets you customize the look and feel of your forum easily. You will have private messages system, search, inline moderation and multi-quote in your forum. Furthermore, you can have unlimited subforums with IceBB.

11. UseBB
UseBB is a light and open source PHP4 and MySQL based forum application. It is ideal for small to medium sized websites which need a clear and efficient forum package.

12. XMB: eXtreme Message Board
XMB offers key features you need to get your message board up and running. Is had easy to use Member Management system, theming interface and anti-spam image verification system.






Great rundown of all the open source PHP forums. I wouldn’t be surprised if this hits the front page of Digg and Reddit. My personal favorite is Vanilla because of the huge selection of addons and multilingual support.
Cool, Vanilla is undoubtedly a great forum application. But personally i prefer bbPress, as it can integrate with WP easily.
Nice list. Perhaps you’d like to do a follow up post of ones that are compatible with Word Press (so you can tie in blog pages with the forums db).
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very nice list, thanks for share..
Nice list. I like Vanilla and also BBpress. I haven’t dove too far into BBpress yet, but it looks highly promising for building off of a current wordpress blog.
Hi Mike,
Yup, you are right. If you want to integrate the forum with your blog, better go for bbPress.
Wow this is useful. Thanks.
Very useful list, but worthy of note only a few scripts.
Forums?
It’s all new to me but then a few months ago, so was wordpress.
We have to start somewhere.
Hi Keith,
Yup, maybe you should learn one by one and i believe you will become a great webmaster in future
very nice list, thanks for share..
l think bbpress is very powerfull for seo and so easy to use for new starters
Hey! Thanx for this beautiful place of the Inet!!
Great set of PHP-based forums. Personally I have experience with PunBB and Vanilla. My PHP forums at http://www.phpforums.org is powered by PunBB. I like its simplicity and search engine friendliness.
Thanks ,I think I will test the bbpress
Hi…
I am new to this community & just thought it would be a good idea to introduce myself and say “hello”.
For once a stable community with font that I can stare at – which truly is good to look at!
I am here to learn @ get involved in the community. How can I best contribute?
Laters Ya’ll…
PS: – I’m attempting to find a long lost step-brother by the name of Rhett Aderholt, Where would I locate him?
Hello,
I’m brand new to this forum + just had the urge to introduce myself and say “howdy”.
Finally a stable website with a layout that I can actually read – and that is rare to find!
I am here to chill + get involved in the community. How can I best get involved?
Peace!!!
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I am glad that you like our blog. You can become our guest blogger if you want to get involved in this community.
Hi Guys,
Just stumbled upon this site. It looks cool and I think I will be having a good time over here.
Welcome me
Hi Guys,
Just stumbled upon this site. It looks cool and I think I will be having a good time over here.
Welcome me
[b]Moral dilemna![/b]
Wazzup! Bored between classes here so decided to introduce myself.
Anyways, I had this urge to talk about an event. Here is what happened School was out and I was heading home, I was hungry so I stopped in at this restaurant and ordered a sandwitch and then went off to eat it in a corner when it suddenly occured to me they didn’t charge me!
Yeah evidently they were super busy and distracted because there was this manager/investor type looking around everywhere and talking to them. So I was just about to go up to the counter and say I hadn’t paid but then I realized if I did that the owner guy might get mad at the employees. So I just left. What should I have done do you think?
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