Open-source cloud-computing software
1556 open-source libraries, tools and applications tagged cloud-computing, ranked by how closely cloud-computing is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1556 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Kata Containers Kata Containers is an open source container runtime that builds lightweight virtual machines which plug seamlessly into the container ecosy… | 98 | 8963 | stable |
| Fission Fission is an open-source, Kubernetes-native serverless framework for deploying functions as a service (FaaS). Developers write functions i… | 89 | 8933 | active |
| getmoto/moto Moto is a Python library that mocks AWS services so tests can run against simulated AWS infrastructure without real credentials or network … | 99 | 8705 | active |
| OpenShift Origin The openshift/origin repository now primarily maintains the openshift-tests binary, the conformance and end-to-end test suite for OpenShift… | 67 | 8696 | active |
| prometheus/alertmanager Alertmanager is the Prometheus project's alert handling component, written in Go. It receives alerts from Prometheus servers or other clien… | 92 | 8627 | stable |
| ko ko is a fast, simple container image builder for Go applications that runs go build locally without requiring Docker. It supports multi-pla… | 82 | 8570 | stable |
| Flux v2 Flux v2 is an open and extensible continuous delivery solution for Kubernetes that keeps clusters in sync with Git repositories and OCI art… | 99 | 8445 | stable |
| HariSekhon/DevOps-Bash-tools A collection of 1200+ DevOps Bash scripts covering cloud platforms (AWS, GCP, Azure), Kubernetes, Docker, CI/CD systems, databases, and pac… | 67 | 8430 | active |
| kyverno/kyverno Kyverno is a Kubernetes-native policy engine for policy as code, letting platform teams author validate, mutate, generate, and cleanup poli… | 100 | 8268 | stable |
| chef/chef Chef Infra is a configuration management platform that turns infrastructure into code, automating how systems are configured, deployed, and… | 67 | 8248 | active |
| aquasecurity/kube-bench kube-bench is a Go-based tool that checks whether Kubernetes clusters are deployed securely by running the checks documented in the CIS Kub… | 95 | 8216 | active |
| fluent/fluent-bit Fluent Bit is a fast, lightweight telemetry agent written in C that collects, processes, and forwards logs, metrics, and traces from any so… | 99 | 8151 | stable |
| fonoster/fonoster Fonoster is an open-source programmable telecommunications stack (a Twilio alternative) for building voice and messaging applications, with… | 98 | 8142 | active |
| Score Score is an open-source, platform-agnostic workload specification (a YAML schema, score.yaml) for describing container-based workloads and … | 85 | 8094 | active |
| Longhorn Longhorn is a cloud-native distributed block storage system for Kubernetes that adds persistent volume support to any cluster with a single… | 95 | 8038 | stable |
| Podman Desktop Podman Desktop is a free, open-source graphical desktop application for building, managing, and deploying containers and Kubernetes workloa… | 96 | 8026 | active |
| gruntwork-io/terratest Terratest is a Go library that makes it easier to write automated tests for infrastructure code such as Terraform, Packer, Docker, Kubernet… | 94 | 7981 | stable |
| turbot/steampipe Steampipe is a zero-ETL CLI tool that exposes APIs and cloud services as relational database tables so they can be queried live with standa… | 97 | 7968 | active |
| chaos-mesh/chaos-mesh Chaos Mesh is an open-source, cloud-native chaos engineering platform for Kubernetes that injects controlled faults (pod, network, DNS, HTT… | 92 | 7938 | active |
| puppetlabs/puppet Puppet is a server automation framework and application that manages the configuration of Linux, Unix, and Windows systems based on a centr… | 74 | 7936 | active |
| KubeVela KubeVela is a CNCF-incubating, application-centric software delivery control plane built on Kubernetes and the Open Application Model. It l… | 95 | 7914 | active |
| Scout Suite Scout Suite is an open source multi-cloud security auditing tool that assesses the security posture of cloud environments. It gathers confi… | 39 | 7824 | stable |
| Azure Search OpenAI Demo A reference sample application implementing the Retrieval-Augmented Generation (RAG) pattern on Azure, combining Azure AI Search for docume… | 93 | 7776 | active |
| aws/karpenter-provider-aws Karpenter is an open-source Kubernetes node autoscaler that watches for unschedulable pods, provisions right-sized nodes to meet their sche… | 92 | 7721 | active |
| mozilla/sccache Sccache is a ccache-like compiler caching tool that wraps compilers to avoid redundant compilation, storing results locally or in cloud sto… | 93 | 7716 | active |
| OpenTelemetry Collector The OpenTelemetry Collector is a vendor-agnostic telemetry pipeline service that receives, processes, and exports traces, metrics, and logs… | 100 | 7683 | stable |
| operator-framework/operator-sdk The Operator SDK is a framework and CLI for building Kubernetes Operators, part of the Operator Framework. It provides high-level APIs buil… | 88 | 7682 | stable |
| youki-dev/youki youki is an implementation of the OCI container runtime specification written in Rust, serving as a low-level container runtime similar to … | 91 | 7640 | active |
| KubeEdge KubeEdge is a CNCF-graduated open-source framework built on Kubernetes that extends containerized application orchestration and device mana… | 95 | 7609 | stable |
| MightyMoud/sidekick Sidekick is a Go CLI tool that turns a bare Ubuntu VPS into a production-ready application hosting platform, similar to fly.io or Heroku bu… | 40 | 7594 | active |
| labring/laf Laf is an open-source cloud development platform (BaaS/FaaS) offering cloud functions, cloud database (MongoDB), and cloud storage (MinIO) … | 62 | 7551 | active |
| kubernetes-sigs/headlamp Headlamp is a user-friendly, extensible Kubernetes web UI for listing, viewing, and managing cluster resources. It runs in-cluster via Helm… | 100 | 7478 | active |
| alexellis/k3sup k3sup is a lightweight Go CLI tool that bootstraps a K3s Kubernetes cluster on any local or remote VM over SSH, getting you a working KUBEC… | 86 | 7436 | active |
| Cocoon-AI/architecture-diagram-generator A Claude AI skill that generates dark-themed system architecture diagrams as standalone HTML/SVG files from plain-English descriptions. Out… | 55 | 7413 | active |
| Calico Calico is an open-source cloud-native networking and network security platform for Kubernetes, providing pod networking (CNI), network poli… | 99 | 7398 | stable |
| rancher-sandbox/rancher-desktop Rancher Desktop is an open-source Electron application that provides container management and a local Kubernetes cluster (via k3s) on macOS… | 96 | 7393 | active |
| telepresenceio/telepresence Telepresence is a CNCF open-source CLI tool that connects a developer's workstation to a remote Kubernetes or OpenShift cluster, creating a… | 97 | 7311 | active |
| Yelp Fusion API dumb-init is a minimal init system and process supervisor designed to run as PID 1 inside Linux containers such as Docker. It is a small st… | 66 | 7311 | stable |
| docker/docker-py The official Docker SDK for Python, a client library for the Docker Engine API. It lets Python applications run and manage containers, imag… | 82 | 7217 | stable |
| Eclipse Che Eclipse Che is a Kubernetes-native platform that provides cloud development environments (workspaces) running in containers, with browser-b… | 99 | 7170 | active |
| KubeVirt KubeVirt is a virtual machine management add-on for Kubernetes that extends the Kubernetes API with virtualization resource types (like the… | 100 | 7131 | stable |
| agones-dev/agones Agones is an open-source Kubernetes controller and custom resource definitions (GameServers, Fleets) for hosting, running, and scaling dedi… | 94 | 7062 | stable |
| Shuttle Shuttle is a Rust-native cloud development platform and framework that lets developers build and deploy backends without writing infrastruc… | 10 | 6926 | active |
| external-secrets/external-secrets External Secrets Operator is a Kubernetes operator that synchronizes secrets from external secret management systems such as AWS Secrets Ma… | 95 | 6900 | stable |
| remote-android/redroid-doc redroid (Remote-Android) is a GPU-accelerated Android In Cloud (AIC) solution that boots many Android instances as containers on Linux host… | 66 | 6850 | active |
| Apache OpenWhisk Apache OpenWhisk is an open source distributed serverless (FaaS) cloud platform that executes functions in response to events at any scale … | 65 | 6802 | active |
| smol-machines/smolvm smolvm is an open-source CLI and runtime for running lightweight, hardware-isolated Linux microVMs locally on macOS, Linux, and Windows, bu… | 80 | 6778 | active |
| kubernetes-sigs/metrics-server Metrics Server is a scalable, efficient source of container CPU and memory resource metrics for Kubernetes built-in autoscaling pipelines. … | 93 | 6761 | stable |
| uber/kraken Kraken is a P2P-powered Docker registry from Uber that distributes container images and large blobs across clusters using BitTorrent-style … | 98 | 6755 | active |
| OpenCost OpenCost is a CNCF incubating, vendor-neutral open source tool for real-time Kubernetes and cloud cost monitoring and allocation. It provid… | 96 | 6755 | active |
| GreptimeDB GreptimeDB is an open-source (Apache-2.0) observability database written in Rust that stores metrics, logs, and traces in a single columnar… | 98 | 6740 | active |
| AWS Serverless Application Model (SAM) AWS SAM CLI is an open-source command-line tool for building, locally testing, debugging, and deploying serverless applications defined wit… | 99 | 6737 | active |
| piku/piku Piku is a minimal self-hosted Platform-as-a-Service that lets you deploy applications to your own servers via git push, inspired by Heroku … | 65 | 6604 | stable |
| k3d k3d is a CLI tool written in Go that runs Rancher's lightweight k3s Kubernetes distribution inside Docker containers. It lets you spin up m… | 93 | 6598 | active |
| Pixie Pixie is an open-source, Kubernetes-native observability platform that uses eBPF to auto-instrument applications, collecting telemetry like… | 79 | 6548 | active |
| cloudquery/cloudquery CloudQuery is an open-source CLI and plugin-based data pipeline tool that extracts cloud infrastructure configuration and security data fro… | 95 | 6542 | active |
| Spin Spin is an open-source framework and CLI for building, deploying, and running event-driven serverless microservices as WebAssembly componen… | 100 | 6540 | active |
| k0sproject/k0s k0s is an open-source, all-inclusive CNCF-certified Kubernetes distribution packaged as a single binary with zero host OS dependencies beyo… | 94 | 6537 | active |
| ChaosBlade ChaosBlade is an open-source chaos engineering toolkit from Alibaba for injecting faults into hosts, applications, and Kubernetes clusters … | 98 | 6461 | active |
| lxc/incus Incus is a system container, application container, and virtual machine manager that provides a public-cloud-like experience for running Li… | 96 | 6448 | stable |
| Zabbix Zabbix is an enterprise-class open-source distributed monitoring and observability platform for tracking the performance and availability o… | 76 | 6435 | stable |
| cloud-hypervisor/cloud-hypervisor Cloud Hypervisor is an open source Virtual Machine Monitor (VMM) written in Rust that runs on top of KVM or Microsoft's MSHV hypervisor. It… | 95 | 6405 | active |
| derailed/popeye Popeye is a read-only CLI tool that scans live Kubernetes clusters and reports potential issues with deployed resources and configurations.… | 56 | 6397 | active |
| Aspire Aspire is a multi-language, code-first toolchain from Microsoft for composing, running, debugging, and deploying distributed applications. … | 96 | 6381 | active |
| Apache Camel Apache Camel is an open-source integration framework offering 350+ connectors for databases, APIs, message brokers, and cloud services, wit… | 77 | 6371 | stable |
| Rundeck Rundeck is an open-source runbook automation and orchestration service with a web console, CLI tools, and WebAPI for standardizing and sche… | 93 | 6329 | active |
| GitHub Actions Runner GitHub Actions is a CI/CD and workflow automation platform that runs build, test, and deployment pipelines directly from GitHub repositorie… | 92 | 6310 | active |
| Rainbond Rainbond is an open-source, application-centric container management platform built on Kubernetes that lets teams build, deploy, and operat… | 99 | 6272 | active |
| BFE BFE (Beyond Front End) is a modern layer 7 load balancer and reverse proxy written in Go, originally developed at Baidu and now a CNCF sand… | 99 | 6264 | active |
| kubernetes/kube-state-metrics kube-state-metrics is a Kubernetes add-on agent that listens to the Kubernetes API server and generates Prometheus-compatible metrics about… | 93 | 6224 | stable |
| AWS SDK for PHP The official AWS SDK for PHP (version 3), providing idiomatic PHP client APIs for over 400 Amazon Web Services including S3, DynamoDB, EC2,… | 94 | 6206 | stable |
| Azure/Azure-Sentinel The official community repository for Microsoft Sentinel, a cloud-native SIEM, containing out-of-the-box detections, hunting queries, workb… | 77 | 6189 | active |
| Wasm Micro Runtime WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly runtime with a small footprint, supporting interpreter, AOT, and J… | 89 | 6133 | active |
| CNI (Container Network Interface) CNI (Container Network Interface) is a CNF project consisting of a specification and Go libraries for writing plugins that configure networ… | 84 | 6133 | stable |
| Knative Knative is a Kubernetes-based platform providing middleware components for building, deploying, and managing serverless workloads, comprisi… | 96 | 6110 | stable |
| google/agents-cli A Python CLI plus agent skills that equip coding assistants (Claude Code, Codex, Antigravity, etc.) to build, evaluate, and deploy AI agent… | 82 | 6094 | active |
| cloud-custodian/cloud-custodian Cloud Custodian (c7n) is a Python-based stateless rules engine for managing public cloud accounts and resources via YAML policy DSLs with f… | 95 | 6088 | stable |
| Azure/azure-sdk-for-net The official Azure SDK for .NET, containing client and management libraries for all Azure services, developed in the open. It provides cons… | 96 | 6072 | active |
| alexcasalboni/aws-lambda-power-tuning AWS Lambda Power Tuning is an open-source tool built on AWS Step Functions that benchmarks Lambda functions across different memory configu… | 75 | 6068 | active |
| pyinfra pyinfra is an agentless infrastructure automation tool that turns Python code into shell commands and executes them over SSH, locally, or a… | 89 | 6013 | active |
| stefanprodan/podinfo Podinfo is a tiny Go web application that serves as a reference microservice template showcasing Kubernetes best practices. It ships with H… | 96 | 6005 | active |
| volcano-sh/volcano Volcano is a CNCF-hosted, Kubernetes-native batch scheduling system that extends kube-scheduler for high-performance workloads like AI/ML t… | 98 | 5993 | stable |
| astrada/google-drive-ocamlfuse google-drive-ocamlfuse is a FUSE filesystem written in OCaml that mounts Google Drive as a local filesystem on Linux. It provides full read… | 85 | 5968 | active |
| cortexproject/cortex Cortex is a horizontally scalable, highly available, multi-tenant long-term storage backend for Prometheus and OpenTelemetry metrics. It ru… | 88 | 5877 | stable |
| easegress-io/easegress Easegress is a cloud-native traffic orchestration system that acts as an API gateway, reverse proxy, and traffic manager with built-in Raft… | 78 | 5867 | active |
| TFLint TFLint is a pluggable linter for Terraform that finds possible errors, deprecated syntax, and unused declarations, and enforces best practi… | 89 | 5827 | active |
| Cloudflare Agents SDK A TypeScript SDK for building persistent, stateful AI agents on Cloudflare Workers, powered by Durable Objects. Each agent gets durable ide… | 84 | 5800 | active |
| Mountpoint for Amazon S3 Mountpoint for Amazon S3 is a high-throughput FUSE file client that mounts an Amazon S3 bucket as a local file system. It translates file o… | 92 | 5781 | stable |
| vantage-sh/ec2instances.info EC2Instances.info is an open-source web application for comparing Amazon EC2, RDS, and ElastiCache instance types, specs, and pricing acros… | 76 | 5766 | active |
| Nuclio Nuclio is a high-performance open-source serverless (FaaS) platform for real-time event and data processing, deployable standalone via Dock… | 92 | 5760 | stable |
| Discovery Nepxion Discovery is a cloud-native microservice governance framework for Spring Cloud and Spring Cloud Alibaba. It provides blue-green and… | 46 | 5752 | active |
| LitmusChaos LitmusChaos is an open-source, CNCF-hosted chaos engineering platform for cloud-native Kubernetes infrastructure. It provides a ChaosCenter… | 100 | 5730 | stable |
| Karmada Karmada is an open-source Kubernetes management system that orchestrates cloud-native applications across multiple Kubernetes clusters and … | 94 | 5729 | active |
| kgateway-dev/kgateway kgateway is a Kubernetes-native API gateway and ingress controller that implements the Kubernetes Gateway API as a control plane for Envoy … | 100 | 5713 | stable |
| Freelens Freelens is a free, open-source graphical IDE for managing and monitoring Kubernetes clusters. It provides a desktop UI available for macOS… | 86 | 5706 | active |
| gilbertchen/duplicacy Duplicacy is a cross-platform cloud backup tool built around lock-free deduplication, allowing multiple computers to back up to the same st… | 70 | 5696 | stable |
| CRI-O CRI-O is a lightweight, OCI-compliant container runtime that implements the Kubernetes Container Runtime Interface (CRI). It lets Kubernete… | 95 | 5676 | stable |
| cubefs/cubefs CubeFS is a CNCF-graduated, cloud-native distributed file and object storage system written in Go. It supports S3, HDFS, and POSIX access p… | 87 | 5674 | stable |
| Azure/azure-sdk-for-python The official Azure SDK for Python, a monorepo of client and management libraries for interacting with Azure services from Python. It includ… | 96 | 5621 | active |
| Devtron Devtron is an open-source, AI-native Kubernetes management platform that unifies application delivery, infrastructure management, CI/CD, an… | 95 | 5609 | active |