#1
An open source trusted cloud native registry project that stores, signs, and scans content.
29K starsJun 16, 2026 pushdevopsGoKubernetes
$ npx skills add goharbor/harborAlternatives
Docker Mailserver alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Docker Mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
100
Quality
93
Trust
18K
Stars
#2
The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™
28K starsJun 16, 2026 pushdevopsGoKubernetes
$ npx skills add authelia/authelia#3
最新Docker容器技术，从真实案例中学习最佳实践！| Learn and understand Docker&Container technologies, with real DevOps practice!
26K starsJun 12, 2026 pushdevopsGoKubernetes
$ npx skills add yeasy/docker_practice#4
Sealos is an AI-native Cloud Operating System built on Kubernetes that unifies the entire application lifecycle, from development in cloud IDEs to production deployment and management. It is perfect for building and scaling modern AI applications, managed databases (MySQL, PostgreSQL, Redis, MongoDB) and complex microservice architectures.
18K starsJun 16, 2026 pushdevopsTypeScriptKubernetes
$ npx skills add labring/sealos#5
WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.
11K starsJun 16, 2026 pushdevopsC++Kubernetes
$ npx skills add WasmEdge/WasmEdge#6
A docker-powered PaaS that helps you build and manage the lifecycle of applications
32K starsJun 15, 2026 pushdevopsShellKubernetes
$ npx skills add dokku/dokku#7
Podman Desktop is the best free and open source tool to work with Containers and Kubernetes for developers. Get an intuitive and user-friendly interface to effortlessly build, manage, and deploy containers and Kubernetes — all from your desktop.
7.7K starsJun 16, 2026 pushdevopsTypeScriptKubernetes
$ npx skills add podman-desktop/podman-desktop#8
Build and deploy Go applications
8.4K starsJun 12, 2026 pushdevopsGoKubernetes
$ npx skills add ko-build/ko#9
Kubernetes Native Edge Computing Framework (project under CNCF)
7.5K starsMay 29, 2026 pushdevopsGoKubernetes
$ npx skills add kubeedge/kubeedge#10
Kubernetes Goat is a "Vulnerable by Design" cluster environment to learn and practice Kubernetes security using an interactive hands-on playground 🚀
5.7K starsApr 16, 2026 pushdevopsHTMLKubernetes
$ npx skills add madhuakula/kubernetes-goat#11
📦 Make security testing of K8s, Docker, and Containerd easier.
4.7K starsMay 1, 2026 pushdevopsGoKubernetes
$ npx skills add cdk-team/CDK#12
a Docker + Kubernetes network trouble-shooting swiss-army container
11K starsApr 16, 2026 pushdevopsShellKubernetes
$ npx skills add nicolaka/netshoot#13
FreeIPA server in containers — images at https://quay.io/repository/freeipa/freeipa-server?tab=tags
700 starsJun 15, 2026 pushdevopsShellKubernetes
$ npx skills add freeipa/freeipa-container#14
1000+ DevOps Bash Scripts - AWS, GCP, Kubernetes, Docker, CI/CD, APIs, SQL, PostgreSQL, MySQL, Hive, Impala, Kafka, Hadoop, Jenkins, GitHub, GitLab, BitBucket, Azure DevOps, TeamCity, Spotify, MP3, LDAP, Code/Build Linting, pkg mgmt for Linux, Mac, Python, Perl, Ruby, NodeJS, Golang, Advanced dotfiles: .bashrc, .vimrc, .gitconfig, .screenrc, tmux..
8.3K starsMay 4, 2026 pushdevopsShellKubernetes
$ npx skills add HariSekhon/DevOps-Bash-tools#15
Provides a simple way to run Selenium Grid with Chrome, Firefox, and Edge using Container Platform, making it easier to perform browser automation at scale
8.6K starsJun 10, 2026 pushdevopsShellKubernetes
$ npx skills add SeleniumHQ/docker-selenium#16
k8s tutorials | k8s 教程
5.8K starsNov 17, 2025 pushdevopsGoKubernetes
$ npx skills add guangzhengli/k8s-tutorialsHow to choose
When should you switch?
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Docker Mailserver if it already passes your workflow test and repository review.
Next step
Compare top candidates side by side
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.