Free
Containers · DevOps
Free in-browser Docker playground for experiments.
dockerplaygroundlabs
Discover the 15 best free tools for devops. Free-to-use, no credit card or subscription required. Curated, compared, and updated for developers.
| Tool | Pricing | Platforms | Top Strength | Link |
|---|---|---|---|---|
| Play with Docker | free | web | Free in-browser Docker playground for experiments. | Details → |
| Podman | free | cli | Daemonless, rootless container engine, Docker-compatible CLI. | Details → |
| Kubernetes | free | cli, web | De-facto orchestration standard — portable across every cloud | Details → |
| Helm | free | cli | The package manager for Kubernetes applications. | Details → |
| K9s | free | cli | Terminal UI to interact with and manage Kubernetes clusters. | Details → |
| OpenTofu | free | cli | Open-source, Linux Foundation successor to Terraform. | Details → |
| Nginx | free | cli | Battle-tested reverse proxy/load balancer at any scale | Details → |
| Nginx Config Generator | free | web | DigitalOcean's visual generator for performant Nginx configs. | Details → |
| Apache HTTP Server | free | cli | The classic, widely-used Apache web server. | Details → |
| Caddy | free | cli | Automatic HTTPS via Let's Encrypt — zero certificate management | Details → |
Showing top 10 of 15. Browse the full grid below.
Containers · DevOps
Free in-browser Docker playground for experiments.
Containers · DevOps
Daemonless, rootless container engine, Docker-compatible CLI.
Orchestration · DevOps
The open-source system for automating container orchestration.
Orchestration · DevOps
The package manager for Kubernetes applications.
Orchestration · DevOps
Terminal UI to interact with and manage Kubernetes clusters.
Infrastructure as Code · DevOps
Open-source, Linux Foundation successor to Terraform.
Web Servers & Proxies · DevOps
High-performance web server, reverse proxy and load balancer.
Web Servers & Proxies · DevOps
DigitalOcean's visual generator for performant Nginx configs.
Web Servers & Proxies · DevOps
The classic, widely-used Apache web server.
Web Servers & Proxies · DevOps
Web server with automatic HTTPS and simple configuration.
CI/CD · DevOps
The classic open-source automation server for CI/CD.
CI/CD · DevOps
Declarative GitOps continuous delivery for Kubernetes.
CI/CD · DevOps
GitOps toolkit for keeping Kubernetes clusters in sync with Git.
Orchestration · DevOps
Template-free customization of Kubernetes YAML manifests.
Orchestration · DevOps
The leading service mesh for traffic, security and observability.