
Kubernetes
Google App Engine
Apache Karaf
Heroku
Amazon S3
Amazon ECS
Portainer
Docker is an open platform that enables developers and system administrators to create distributed applications.

Cencurity
IronClaw
CtrlAI
Eden AI
Phala Cloud
Permit.io
SolonGate
Give AI access to 6754+ APIs with zero credentials exposed

Which is more popular?
Based on our record, Docker seems to be more popular. It has been mentioned 80 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | docker.com | keychains.dev |
| Pricing | — | |
| Company | Startup from the United States · 50 - 99 employees · 2013 | — |
| Listed in |
What each product offers, as listed by its team.


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


Though not specifically designed for PHP development, Docker offers a containerized approach to create, deploy, and run applications. It enables easy installation of PHP, web servers, and databases within containers,...
Docker - A containerization platform that allows developers to package applications and their dependencies into containers. Docker Compose can be used to define multi-container application stacks, including web...
Docker uses images as templates to create new containers using Docker engine commands such as Build -t or run -d.
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Recommendations tracked on public social media and blogs since March 2021.


Cloud Run (GCR) -- the latest serverless platform; OCI-compliant containers (Docker, Buildpacks, etc.) Cloud Functions (GCF) -- originally serverless functions to compete with AWS Lambda; latest generation rebranded as Cloud Run... - Source: dev.to / 10 months ago
One of the best benefits of Docker is that it helps you make your software multi-environment friendly, so you can use the same (or similar) config from local dev to production. Having a Dockerfile for every environment kind of defeats... - Source: dev.to / 12 months ago
Before we begin, ensure you have Docker installed on your system. You can download it from Docker's official website. - Source: dev.to / about 1 year ago
Tracking keychains.dev since Feb 2026.
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Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.
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