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Apptainer

Apptainer

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What is Apptainer?

Apptainer (formerly Singularity) is a container platform focused on security and portability for high-performance computing (HPC), enterprise, and scientific workflows. It allows users to package entire software stacks into a single file, which can then be easily moved and executed on different systems without requiring root privileges. This makes it ideal for deploying complex applications and ensuring reproducibility across different environments. Common use cases include running scientific simulations, deploying custom software environments on shared HPC resources, and creating portable software packages for collaboration.

What other technologies are related to Apptainer?

Apptainer Competitor Technologies

Singularity is the predecessor to Apptainer and offers similar containerization functionality, particularly for HPC environments. It is thus a direct competitor, however, they are now the same project.
mentioned alongside Apptainer in 6% (190) of relevant job posts
Podman is another containerization tool. While it's rootless nature makes it useful, it is designed for development, not production HPC.
mentioned alongside Apptainer in 1% (144) of relevant job posts
Docker is a popular containerization platform, but it's not designed for HPC. Docker images can be converted to Apptainer images.
mentioned alongside Apptainer in 0% (374) of relevant job posts

Apptainer Complementary Technologies

Spack is a package manager that can be used to build software within Apptainer containers, providing a reproducible software environment.
mentioned alongside Apptainer in 17% (72) of relevant job posts
Warewulf is a cluster management system. Apptainer containers can be used on Warewulf managed clusters.
mentioned alongside Apptainer in 21% (53) of relevant job posts
Slurm is a workload manager commonly used in HPC. Apptainer containers are often used to provide software environments for Slurm jobs.
mentioned alongside Apptainer in 2% (171) of relevant job posts

Which organizations are mentioning Apptainer?

Organization
Industry
Matching Teams
Matching People
Apptainer
MathWorks
Scientific and Technical Services
Apptainer
Argonne National Laboratory
Other Services (except Public Administration)
Apptainer
NVIDIA
Scientific and Technical Services

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