Apptainer
Container platform for packaging and running applications on Linux.
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Homebrew analytics installs: 38 installs (2026) to 407 installs (2026)
Imported from Homebrew analytics, last reading Oct 2026
About Apptainer
Apptainer is an open source container platform for packaging and running applications on Linux. It is designed to work with high-performance computing clusters and enables developers to create containers that are portable, reproducible, and secure. The platform allows unprivileged users to execute containers while preventing privilege escalation, meaning users have the same permissions inside and outside containers. Apptainer uses a single-file container format that simplifies sharing, archiving, and moving workloads across different environments from workstations to HPC systems.
The tool is compatible with Docker containers and can import images from Open Containers Initiative registries, allowing developers to pull and run most Docker Hub containers with Apptainer's security and portability benefits. Containers can be encrypted and integrated with secret management platforms like Vault. Apptainer is developed by apptainer and is written in Go.
Checked 9 November 2026.
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