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Trending, curated, and community-showcased open source projects from GitHub. Ranked by star velocity.

containerd
Podman
Apache Karaf
rkt
Crane
GlusterFS
Buildah
Lightweight Container Runtime for Kubernetes

Which is more popular?
Based on our record, CRI-O seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | gitgem.org | cri-o.io |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Running Containers on Podman/CRI-o - Introduction working with Podman containers
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using GitGem and CRI-O. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking GitGem since Jun 2026.
Yes - using Cri-o[0] or docker checkpoint/restore api (which uses cri-o) [0] - https://cri-o.io/. - Source: Hacker News / over 1 year ago
CRI-O provides a lightweight container runtime specifically designed for Kubernetes, implementing the Container Runtime Interface (CRI) with optimized performance. - Source: dev.to / almost 2 years ago
Container engine security focuses on the underlying runtime system that manages and executes containers, such as Docker, containerd, or CRI-O. These container engines are responsible for interfacing with the operating system kernel to... - Source: dev.to / about 2 years ago
When comparing GitGem and CRI-O, you can also consider the following products.


An industry-standard container runtime with an emphasis on simplicity, robustness and portability
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Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.
Compare Apache Karaf to GitGem or CRI-O: