Simple Machines Forum — SMF in short — is free and open-source community forum software, delivering professional grade features in a package that allows you to set up your own online community within minutes!
751
stars
18,994
commits
PHP
primary language
Sep 9, 2026
updated
This the development repository for Simple Machines Forum. The software is licensed under BSD 3-clause license.
Contributions to documentation are licensed under CC-by-SA 3. Third party libraries or sets of images are under their own licenses.
Feel free to fork this repository and make your desired changes.
Please see the Developer's Certificate of Origin in the repository: by signing off your contributions, you acknowledge that you can and do license your submissions under the license of the project.
Using official releases provided by our downloads website requires no additional setup. A helpful guide is provided on our wiki.
If you are attempting to download from the source code provided on our github, you will need to run composer.
composer install
COMPOSER_NO_DEV=0 to the command like so
COMPOSER_NO_DEV=0 composer install
git pull), you should update the composer and may run into issues if not done so. Developers should add COMPOSER_NO_DEV=0 to the command
COMPOSER_NO_DEV=0 composer update
Signed-off-by: Your Name <youremail@example.com>)composer update, then commit both composer.json and composer.lock files.Lastly, if you have a security issue you would like to notify us about regarding SMF for any version - please file a security report on our website: https://www.simplemachines.org/about/smf/security.php
For further information regarding our security policy, see SECURITY.md
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Hacker News (1)
PHP
95.1%
JavaScript
2.7%
CSS
1.7%
Simple Machines Forum — SMF in short — is free and open-source community forum software, delivering professional grade features in a package that allows you to set up your own online community within minutes!
751
stars
18,994
commits
PHP
primary language
Sep 9, 2026
updated
This the development repository for Simple Machines Forum. The software is licensed under BSD 3-clause license.
Contributions to documentation are licensed under CC-by-SA 3. Third party libraries or sets of images are under their own licenses.
Feel free to fork this repository and make your desired changes.
Please see the Developer's Certificate of Origin in the repository: by signing off your contributions, you acknowledge that you can and do license your submissions under the license of the project.
Using official releases provided by our downloads website requires no additional setup. A helpful guide is provided on our wiki.
If you are attempting to download from the source code provided on our github, you will need to run composer.
composer install
COMPOSER_NO_DEV=0 to the command like so
COMPOSER_NO_DEV=0 composer install
git pull), you should update the composer and may run into issues if not done so. Developers should add COMPOSER_NO_DEV=0 to the command
COMPOSER_NO_DEV=0 composer update
Signed-off-by: Your Name <youremail@example.com>)composer update, then commit both composer.json and composer.lock files.Lastly, if you have a security issue you would like to notify us about regarding SMF for any version - please file a security report on our website: https://www.simplemachines.org/about/smf/security.php
For further information regarding our security policy, see SECURITY.md
Hacker News (1)
(top 30 of 92)
PHP
95.1%
JavaScript
2.7%
CSS
1.7%