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A high performance open-source forum software written in PHP. Discussions Tags based with Quora/StackOverflow style.

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Statistics on Carbon-Forum

Number of watchers on Github 1431
Number of open issues 59
Average time to close an issue about 1 month
Main language PHP
Average time to merge a PR about 2 hours
Open pull requests 7+
Closed pull requests 10+
Last commit about 2 years ago
Repo Created over 5 years ago
Repo Last Updated almost 2 years ago
Size 14 MB
Homepage https://www.94cb....
Organization / Authorlincanbin
Latest Release5.9.0
Page Updated
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Carbon-Forum Build Status

A high performance open-source forum software written in PHP.

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Demo/Official Website



  1. Ensure that the entire directory are writable.
  2. Open and install.
  3. Open the Forum, and register. The first registered user will become administrator.


  1. Backup files( /upload/* ) and databases.
  2. Delete all files except /upload/*, and upload the new version files that extract from the the latest version packet.
  3. Ensure that the entire directory are writable.
  4. Open and update.


  • Mobile version.
  • Real-time notifications push.
  • Discussions Tags based with Quora/StackOverflow style.
  • High FE&BE performance.
  • Full asynchronous design, improve the loading speed.
  • Excellent search engine optimization (mobile adaptation Sitemap support) .
  • Perfect draft saving mechanism.
  • The modern Notification Center (currently supported and @ replies).

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Copyright 2006-2017 Canbin Lin (

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.
Carbon-Forum open issues Ask a question     (View All Issues)
  • over 3 years Can't Edit Topic Title.
  • over 3 years WebsitePath Error! after installation
  • over 3 years Automated testing and continuous integration
  • over 3 years More abstract controller and routes.
  • over 3 years ๆฑ‚snsๅŠŸ่ƒฝ๏ผŸ
  • over 3 years Advanced search
  • almost 4 years Disable Buttons
  • almost 4 years Email
  • almost 4 years Add a Custom Page
  • almost 4 years XSS vulnerability
  • almost 4 years Approving Pull Requests take FOREVER
  • almost 4 years Sphinx Server
  • almost 4 years Add Google Oauth
  • almost 4 years Optimize the verification code.
  • almost 4 years Delete attachments when deleting posts.
  • almost 4 years Filter content and ban users when submitting content.
  • almost 4 years Post likes and choosing best answer?
  • about 4 years Providing a zoom-in function for post images.
  • about 4 years No plural support in i18n
  • over 4 years Use HTMLPurifer to guard against XSS
  • over 4 years Guest posting with Captcha and Basic text editor?
  • over 4 years ็ง่จŠ
  • over 4 years "Like" button and the new topic sorting algorithm
  • over 4 years i18n
  • over 4 years ๆœ‰ๅผ€ๅ‘ๆ’ไปถ็ณป็ปŸ็š„ๆ‰“็ฎ—ไนˆ๏ผŸ
  • almost 5 years ๆ–‡็ซ ่‡ช่จ‚ๆฌŠ้™
  • almost 5 years Name Color based on User Group
  • almost 5 years The W3C XHTML Markup Validation.
  • almost 5 years Add rel="nofollow" to external links.
  • almost 5 years Prohibiting the use of external image to preventing XSS?
Carbon-Forum open pull requests (View All Pulls)
  • ๅŠจไธๅŠจๅฐฑfrom ubuntu ็œŸๅœŸ่ฑช
  • Fixed Spelling, Security, and Copyright Date
  • Update
  • Create .htaccess
  • Advanced search #188
  • Allow administrator to close the registration
  • Loved your wiki I decided to host it for you.
Carbon-Forum list of languages used
Carbon-Forum latest release notes
5.9.0 Version 5.9.0
  • Inbox.
5.6.1 Version 5.6.1
5.0.1 Version 5.0.1
  • Added API. (Documentation)
  • Adjust style.
  • Enhanced code readability.
  • No need to enter the password twice when registering.
  • Show site name at the bottom of page.
  • Display all avatar in circular.
  • Press tag enter key automatically before creating new topic in mobile version.
  • Update appframework ui.
  • Optimized the mobile version cache mechanism.
  • Add Russian language pack. (by @naiffuR )
  • Add HTML5 audio tag support.
  • Change SyntaxHighlighter style.
  • Fix the bug that needs to double click the return key to take effect in mobile version.
  • New editor style.
  • Fixed some drafts issues.
  • Set position of NavBar to fixed.
  • Server Side Request Forgery (SSRF)
  • Automatically jump to a possible notifications tab.
  • Fixed the issue that might be caused by using some older versions MySQL drivers.
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