DevOps Tools

Open-source container orchestration platform for automating deployment, scaling, and management of containerized applications. The de facto standard for running production workloads at scale.

Platform for building, shipping, and running applications in containers. Docker pioneered the container revolution and remains the most popular container toolchain for development workflows.

Infrastructure as Code tool by HashiCorp that lets you define cloud and on-premises resources in human-readable configuration files. Supports 3,000+ providers across every major cloud.

Infrastructure as Code platform that lets you use general-purpose programming languages (TypeScript, Python, Go, C#, Java) to define and manage cloud infrastructure.

Open-source framework for building cloud-native control planes. Extends Kubernetes to manage any infrastructure or managed service using custom resources and compositions.

Declarative GitOps continuous delivery tool for Kubernetes. ArgoCD continuously monitors Git repositories and automatically syncs the desired application state to your clusters.

CI/CD platform integrated directly into GitHub. Automate builds, tests, and deployments with YAML workflows triggered by repository events.

Built-in CI/CD platform in GitLab with pipeline-as-code, auto DevOps, and integrated security scanning. Single platform for source control, CI/CD, and DevSecOps.

Open-source monitoring and alerting toolkit. Pull-based metrics collection with a powerful query language (PromQL), built-in alerting, and native Kubernetes service discovery.

Open-source analytics and visualization platform. Create dashboards from Prometheus, Loki, Elasticsearch, and 150+ data sources. The standard for infrastructure observability.

Vendor-neutral observability framework for generating, collecting, and exporting telemetry data (traces, metrics, logs). CNCF project unifying instrumentation across languages and platforms.

The package manager for Kubernetes. Helm charts define, install, and upgrade Kubernetes applications with templated manifests, dependency management, and release tracking.

Comprehensive open-source security scanner by Aqua Security. Scans container images, file systems, Git repos, and Kubernetes clusters for vulnerabilities, misconfigurations, and secrets.

Open-source developer portal by Spotify. Backstage provides a unified frontend for infrastructure tooling, services catalog, docs, and software templates.

High-performance web server, reverse proxy, and load balancer. In Kubernetes, the Nginx Ingress Controller is the most widely deployed ingress solution for routing external traffic.