Singularity is now Apptainer!

Community Help

Apptainer has freely available support resources to help.


Here is everything you need to know to get started, along with in-depth documentation for each version.

View Documentation
Slack Community

Questions? Feel free to reach out to our knowledgeable and friendly Slack community, who's always willing to help.

Join Slack
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.


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).

View GitHub Repo

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