Community Help
Apptainer has freely available support resources to help.
Documentation
Here is everything you need to know to get started, along with in-depth documentation for each version.
Slack Community
Questions? Feel free to reach out to our knowledgeable and friendly Slack community, who's always willing to help.
Mailing List
The Apptainer project uses Google Groups. Click the Join group button at the following links to engage in discussions and/or receive announcements from the project.
GitHub
Want the source code or to contribute? Found an issue? Head over to the Apptainer GitHub repo (and don't forget to give the project a star).
Commercial Support
Support, services, and other commercial needs for Apptainer are available by the project lead and founder along with the primary core developers through CIQ (Ctrl IQ, Inc.).

CIQ is the leading innovator of modernization of high-performance infrastructures and cloud-native computing and directly offers support and services of several open-source projects like Apptainer, Warewulf, and Rocky Linux.
Get Support