phpBB is a very popular, open source, flat-forum package written in the PHP programming language. phpBB uses a flat topic and post structure, rather than threaded.
The software includes features such as posting/replying/editing messages, private messages, private forums, user and anonymous posting, robust theming, user ranking by posts or by special, admin definable, ranks, and much more.
phpBB has a user-friendly interface, simple and straightforward administration panel, and helpful documentation.
phpBB has been our longstanding favourite open source forum software.
Key Features
- HTML5, CSS3, Responsive Design.
- User Preferences.
- Moderation.
- Comprehensive Administration Control Panel.
- Search Engine Spider Handling.
- Unread Message Tracking.
- Private Message System:
- Custom PM folders – create custom PM folders and create a set of filters/rules to automatically sort PMs.
- Multiple Recipients – send private messages to multiple people.
- Send Blind Carbon Copies (BCC).
- Send to Groups.
- Address Book – makes sending messages quicker.
- Message Drafts – lets you edit and send messages later.
- Export Messages – for archiving purposes.
- Attachments in PMs.
- Conversation View – keep track of PM replies and displays a chronological view of the PM history.
- Registration:
- COPPA Registrations.
- Limit Registration Attempts.
- Minimum / Maximum Username & Password Length.
- Limit Username Characters.
- Posting:
- Uses a flat topic and post structure.
- BBCode & Custom BBCode.
- Attachments:
- Automatic Image Thumbnails.
- Attachments Types.
- Multiple Attachments.
- Attachment Placement.
- Quick Reply.
- Smilies & Emoticons.
- Quoting.
- Word Censors.
- Syntax Highlighting.
- Post Drafts.
- Polls.
- Anti-spam:
- CAPTCHA Confirmation – offers multiple CAPTCHAs to use during registration, including the industry-standard reCAPTCHA by Google, a custom 3D CAPTCHA, and a customisable Q&A CAPTCHA. There’s also support for reCAPTCHA 2.0.
- Flood Control – limit the number of posts that can be made or PMs that can be sent in a given time period.
- User Banning & Suspension.
- Designated moderators and administrators are able to issue warnings to users.
- User’s actions on the board can be logged and viewed by administrators and moderators.
- Report Posts & Private Messages.
- Post Approval – can be configured to require individual topics and posts to be approved by moderators before they’re visible to everyone.
- Users:
- Signatures.
- Avatars.
- Ranks.
- User Online List.
- User Preferences & Profile Settings.
- Manage Saved Drafts.
- Manage Bookmarks & Subscriptions.
- Custom Profile Fields.
- Friend/Foe List.
- Moderators.
- Usergroups – allow users to be easily organized on the board with group types, multiple group leaders, custom group colours, group ranks & avatars, and group-based memberlist display.
- Data Management: supporting:
- MySQL, PostgreSQL, Oracle Database, Firebird, SQLite, and Microsoft SQL Server.
- Caching:
- Database Query Caching.
- Template Caching.
- Manually clear the template cache, the theme cache, or everything.
- Styles – three main parts: templates, themes, and imagesets.
- Search system:
- Fulltext Native.
- Customized Topic Search.
- Customized Forum Search.
- MySQL Fulltext.
- Author Search.
- Advanced Search.
- View Unanswered Posts.
- Active/New Topics.
- Posts Since Last Visit.
- Search Flood Control.
- Security:
- All passwords are entirely hashed before stored in the database.
- Type-aware Parameter Handling and Database Layer.
- Plugins to connect phpBB to other applications.
- Authentication – authenticate using the database, Facebook, Google, Twitter, other OAuth sources, LDAP, and Apache. Other custom authentication methods can also added with extensions.
- Search – MySQL native is included with phpBB. Additional plugins, such as Sphinx, are available.
- Cache – includes plugins for file-based cache, memcache, X-Cache, APC, eAccelerator and Redis.
- CAPTCHA – includes Classic GD, 3D Wave, Q&A, and reCAPTCHA plugins by default.
- Notifications – multiple methods of notifying users of activities on the board.
- UTF-8 support.
Website: www.phpbb.com
Support: Blog
Developer: phpBB Limited
License: GNU General Public License

phpBB is written in PHP. Learn PHP with our recommended free books and free tutorials.
Related Software
| Internet Forum Software | |
|---|---|
| Discourse | Discussion forum, mailing list, and long-form chat room |
| NodeBB | Community platform for the modern web |
| Flarum | Simple discussion platform for your website |
| Forem | Platform for building modern, independent, and safe communities |
| phpBB | Flat-forum bulletin board software solution |
| bbPress | Forum software with a twist from the creators of WordPress |
| MyBB | Intuitive, extensible forum software |
| miniBB | Easy, lite, and speedy quick forum |
| Vanilla | Simple and flexible forum software |
| Thredded | Simple and feature rich Rails forum engine |
| Simple Machines Forum | Elegant, effective, powerful forum software |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

