Catalog
Explore and compare curated open-source alternatives. Filter by platform, licensing, or deployment mode to find your perfect fit.
51 tools found
Kubernetes
Upstream Kubernetes orchestrates containerized workloads with complete control plane autonomy under the Apache-2.0 license, replacing managed GKE clusters.
128.8kLinuxDockertoday
Apache-2.0Containers & Orchestration
frp
frp is an open-source reverse proxy replacing ngrok and Cloudflare Tunnel with self-hosted TCP, UDP, and HTTP tunneling without SaaS subscription fees.
110.4kLinuxmacOSWindows1d ago
Apache-2.0Tunneling & Zero Trust
Ansible Core
Ansible Core is an open-source CLI alternative to Ansible Tower that executes agentless playbooks over SSH using dynamic inventory plugins.
71.2kLinuxmacOStoday
GPL-3.0Infrastructure as Code
Coolify
Coolify is an open-source PaaS that replaces Railway and Heroku by deploying web applications, databases, and Docker services on your own servers.
65.6kLinuxDockertoday
Apache-2.0PaaS & Hosting
Drone CI
Drone CI is a self-hosted CI/CD platform that executes pipelines in ephemeral Docker containers, replacing hosted services like CircleCI.
38.8kLinuxDockertoday
Apache-2.0CI/CD Platforms
Harness
Harness Open Source is a self-hosted developer platform unifying Git repositories, containerized CI/CD pipelines, Gitspaces, and artifact management.
38.8kDockerLinuxtoday
Apache-2.0PaaS & Hosting
EasyPThe modern standard for Protobuf workflows
Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.
lintgeneratebreakingeasyp.lock
easyp.tech
Dokploy
Dokploy is an open-source PaaS that replaces Vercel and Heroku with self-hosted Docker and database deployments on any Linux server.
38.2kDockerLinuxtoday
PaaS & Hosting
1Panel
1Panel is an open-source Linux server control panel that replaces Plesk with visual Docker management, SSL automation, and containerized deployments.
37.3kDockerLinuxtoday
GPL-3.0PaaS & Hosting
K3s
K3s is an open-source lightweight Kubernetes distribution that replaces heavy enterprise clusters with a single binary running under 512MB RAM.
34.3kLinuxDocker1d ago
Apache-2.0Containers & Orchestration
Podman
Podman is an open-source, daemonless alternative to Docker Desktop that runs rootless OCI containers and Kubernetes pods without background services.
33.2kLinuxmacOSWindows1d ago
Apache-2.0Containers & Orchestration
Dokku
Dokku provides an open-source, self-hosted Heroku alternative that brings git-push deployments and containerized app scaling to any private Linux server.
32.2kLinuxDocker1d ago
MITPaaS & Hosting
Minikube
Minikube provisions local Kubernetes clusters across macOS, Linux, and Windows with multi-node support, add-ons, and zero commercial seat licensing.
32.2kmacOSWindowsLinuxtoday
Apache-2.0Containers & Orchestration
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