Software Alternatives & Startups

containerd VS Extism

Compare containerd VS Extism and see what are their differences

containerd

An industry-standard container runtime with an emphasis on simplicity, robustness and portability

Rating
0 reviews
Pricing
Open source
Extism

Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.

Rating
0 reviews
Pricing
Open source
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, containerd should be more popular than Extism. It has been mentioned 56 times since March 2021.

social mentions
56 vs 25
Cloud Computing popularity
100% vs 0%
alternatives listed
134 vs 13

Base details

Website, pricing, platforms and company facts side by side.

containerd
Extism
Website containerd.io extism.org
Pricing
Open source
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

containerd 6 features
Extism 0 features
  • Lightweight
    Containerd focuses on providing core container primitives, making it lightweight and efficient compared to more comprehensive container management platforms.
  • CNCF Graduated
    Being a CNCF (Cloud Native Computing Foundation) graduated project means containerd has undergone rigorous scrutiny and is recognized as stable and secure.
  • Highly Modular
    Containerd provides a well-defined API with gRPC, making it highly modular and allowing for fine-grained control over container lifecycle management.
  • Kubernetes Integration
    Containerd acts as the default container runtime for Kubernetes via the CRI (Container Runtime Interface) plugin, ensuring excellent synergy with Kubernetes-managed environments.
  • Vendor-Neutral
    Containerd is an open-source project that is vendor-neutral, promoting community collaboration and reducing vendor lock-in.
  • Wide Industry Support
    Spearheaded initially by Docker, containerd has received wide support from tech giants like Google and Alibaba, ensuring a broad and robust adoption across the industry.

Possible disadvantages

  • Limited to Container Management
    Unlike platforms like Docker, containerd focuses solely on container lifecycle management and does not offer advanced networking, storage solutions, or orchestration engines.
  • Complex Integration
    While offering a high level of control, containerd’s modularity can translate into higher complexity when it comes to integrating it with other tools, such as monitoring and logging systems.
  • Fewer Features Out-of-the-Box
    Containerd provides fewer features out-of-the-box compared to more comprehensive container management systems, which may require additional components to achieve a similar feature set.
  • Steeper Learning Curve
    Due to its focus on being a low-level runtime, containerd can have a steeper learning curve for users not familiar with container runtime internals.

No features have been listed yet.

Videos

Walkthroughs and reviews on video.

containerd 1 video + Add
Extism 0 videos + Add

Deep Dive: containerd - Derek McGowan, Docker & Phil Estes, IBM Cloud

No Extism videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
containerd
Extism
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

containerd no reviews yet
Extism no reviews yet
  • 5 Container Alternatives to Docker
    containerjournal.com · Jan 2021

    containerd is described as “an industry-standard container runtime with an emphasis on simplicity, robustness and portability.” An incubating project of the Cloud Native Computing Foundation, containerd is available...

We have no reviews of Extism yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

containerd 56 mentions
Extism 25 mentions
  • How to Deploy a Kubernetes App on AWS EKS
    A Kubernetes cluster, also called K8S, is made up of machines (called nodes) that run containerised applications. It works alongside container engines like CRI-O or containerd to help you deploy and manage your apps more... - Source: dev.to / about 1 year ago
  • Kubernetes Without Docker: Why Container Runtimes Are Changing the Game in 2025
    Containerd Official Site The runtime powering most cloud K8s clusters and your future mental breakdowns. - Source: dev.to / over 1 year ago
  • Creating containers with containerd on ARM
    Also, Containers are the tool when you want to speed your process of updating your software and get modularity and portability when deploying your solutions. In this post you will learn how containerd together with nerdctl can help you... - Source: dev.to / over 1 year ago

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  • WASI 0.3.0 Released
    Technically WASI 0.1, but I used it (via Extism[0]) to implement a simple login library[1] that works in Rust, Go, and Node. Would be trivial to add other lanugages supported by Extism. Overall I loved the dev experience. [0]:... - Source: Hacker News / 3 months ago
  • WASI 0.3.0 Released
    I tinkered with https://extism.org and basically the use case is that they suggest, namely you can extend software in another programming language but without having to setup a container or VMs on the client. They "just" run the code in... - Source: Hacker News / 3 months ago
  • The Road to the WASM Component Model 1.0
    Check out https://extism.org, it is built for those kinds of use cases. However I think WASI and components could enhance it. - Source: Hacker News / 3 months ago

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Alternatives to containerd and Extism

When comparing containerd and Extism, you can also consider the following products.