Open-source cloud software
1969 open-source libraries, tools and applications tagged cloud, ranked by how closely cloud 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.
1969 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| TencentCloudBase/CloudBase-AI-Toolkit CloudBase AI Toolkit is Tencent Cloud's integration layer connecting AI coding tools (Cursor, Claude Code, Codex, etc.) to the CloudBase ba… | 83 | 1138 | active |
| tesseral-labs/tesseral Tesseral is open-source, multi-tenant authentication infrastructure designed for B2B SaaS applications, runnable as a cloud service or self… | 40 | 1138 | active |
| kubernetes-sigs/aws-ebs-csi-driver The Amazon EBS Container Storage Interface (CSI) driver implements the CSI specification so container orchestrators, primarily Kubernetes, … | 96 | 1135 | active |
| gjbae1212/hit-counter HITS is a self-hostable web service written in Go that generates SVG badges showing daily and total page view counts for websites, GitHub r… | 10 | 1133 | stable |
| GoogleCloudPlatform/cloud-foundation-toolkit Google's Cloud Foundation Toolkit provides production-ready Terraform blueprints encoding GCP best practices, plus a CLI for creating and m… | 92 | 1132 | active |
| weaveworks/weave-gitops Weave GitOps is an open-source developer platform that extends Flux to provide a UI and tooling for GitOps-based continuous delivery on Kub… | 73 | 1132 | active |
| painn-n/onchainsms A web dApp for sending public wallet-to-wallet notes on Robinhood Chain and Base, where each message is an EVM transaction embedding the re… | 55 | 1131 | active |
| TanStack/tanstack.com The official marketing and documentation website for the TanStack ecosystem, built with TanStack Router and deployed on Cloudflare Workers.… | 77 | 1127 | active |
| Claudia.js Claudia.js is a command-line tool that automates deploying Node.js projects to AWS Lambda and API Gateway. It handles error-prone packaging… | 65 | 3883 | maintenance |
| juanjoDiaz/serverless-plugin-warmup A Serverless Framework plugin that eliminates AWS Lambda cold starts by creating scheduled warmer functions. The warmer invokes your select… | 67 | 1120 | active |
| luchris429/purejaxrl PureJaxRL provides end-to-end reinforcement learning training pipelines implemented entirely in JAX, including environments, enabling massi… | 31 | 1118 | active |
| mittwald/kubernetes-replicator A custom Kubernetes controller written in Go that synchronizes Secrets, ConfigMaps, Roles, RoleBindings, and ServiceAccounts across namespa… | 78 | 1116 | active |
| yahoo/TensorFlowOnSpark TensorFlowOnSpark is a Python library that lets existing TensorFlow programs run distributed training and inference on Apache Spark and Had… | 23 | 3847 | maintenance |
| Code Interpreter API A Python library providing an open-source implementation of the ChatGPT Code Interpreter, built on LangChain. It lets LLM agents execute sa… | 20 | 3844 | maintenance |
| easydoc-ai/easydoc EasyDoc is a multimodal document processing API that converts unstructured documents like PDFs into hierarchical, machine-readable JSON. It… | 32 | 1114 | active |
| Sensu Go Sensu Go is an open-source, agent-based monitoring and observability pipeline for ephemeral infrastructure and distributed applications, re… | 87 | 1113 | active |
| aws/pgactive pgactive is a PostgreSQL extension written in C that enables active-active replication, allowing multiple database instances in a cluster t… | 87 | 1112 | active |
| index-labs/readpilot Read Pilot is a web application that analyzes online articles and generates Q&A cards from them using OpenAI models. It is built with Next.… | 60 | 1111 | active |
| kuestcom/prediction-market Kuest is an open-source, white-label prediction market platform (a Polymarket/Kalshi-style clone) built on Polygon with USDC settlement. Op… | 64 | 1110 | active |
| QQ3221197721/cloudai-fusion CloudAI Fusion is a Go-based cloud-native platform that unifies multi-cloud infrastructure management with AI-assisted GPU scheduling acros… | 59 | 1110 | active |
| OpenTelemetry Python A collection of OpenTelemetry instrumentation libraries for Python, providing automatic and manual instrumentation for popular Python frame… | 98 | 1106 | active |
| Open Cluster Management Open Cluster Management (OCM) is a CNCF sandbox project providing core components for managing fleets of Kubernetes clusters across multicl… | 95 | 1104 | active |
| kernel/kernel-images Kernel is an open-source browser infrastructure platform that provides sandboxed, ready-to-use Chromium browsers as a service for browser a… | 66 | 1103 | active |
| tus/tus-node-server tus-node-server is the official Node.js/TypeScript implementation of the tus resumable upload protocol, usable standalone or integrated int… | 97 | 1098 | active |
| Steeltoe Steeltoe is a collection of .NET libraries that add cloud-native microservices capabilities such as externalized configuration, service dis… | 88 | 1098 | active |
| GameCI GameCI is a collection of GitHub Actions for automating Unity game project workflows, including license activation, running edit-mode and p… | 32 | 1098 | active |
| nytimes/gizmo Gizmo is a Go microservice toolkit from The New York Times providing packages for building HTTP/JSON servers and pubsub daemons with standa… | 52 | 3772 | maintenance |
| googleapis/google-cloud-dotnet Google's official .NET client libraries for Google Cloud Platform services, published as NuGet packages covering APIs like BigQuery, Storag… | 96 | 1095 | active |
| sirius-db/sirius Sirius is a GPU-native SQL analytics engine written in C++ that accelerates query execution by offloading it to GPUs. It integrates with ex… | 78 | 1093 | active |
| tianxingleo/ACGTI ACGTI is an MBTI-inspired web quiz that maps users' personality dimensions to anime character archetypes. It is a Vue 3 + TypeScript full-s… | 69 | 1093 | active |
| django-ses/django-ses django-ses is a drop-in Django email backend that sends mail through Amazon's Simple Email Service (SES) instead of SMTP, and can also rece… | 94 | 1090 | active |
| ab77/netflix-proxy A smart DNS proxy deployed via Docker that uses dnsmasq and sniproxy to let users stream Netflix, Hulu, HBO Now and other region-locked ser… | 23 | 3741 | maintenance |
| Microsoft 365 Agents SDK The Microsoft 365 Agents SDK is a multichannel SDK for building full-stack, trusted agents deployable to Microsoft 365 Copilot, Teams, Copi… | 67 | 1089 | active |
| y-scope/clp CLP (Compressed Log Processor) is an open-source log management tool that losslessly compresses JSON and unstructured text logs and enables… | 94 | 1088 | active |
| secureblue/secureblue secureblue is a security-focused desktop and server Linux operating system built as OCI bootable container images on top of Fedora Atomic D… | 93 | 1088 | active |
| buildpacks-community/kpack kpack is a Kubernetes-native container build service that implements Cloud Native Buildpacks to build OCI images from source code. It provi… | 86 | 1088 | active |
| aws/copilot-cli AWS Copilot CLI is an open-source command-line tool for developers to build, release, and operate production-ready containerized applicatio… | 10 | 3732 | maintenance |
| jimmidyson/configmap-reload A small Go binary that watches Kubernetes ConfigMap and Secret volumes mounted into pods and triggers a reload when they change, currently … | 64 | 1086 | active |
| OHDSI/CommonDataModel An R package and repository defining the OMOP Common Data Model (CDM), providing SQL DDL scripts and tools to generate or instantiate CDM t… | 93 | 1085 | active |
| grafana/grafana-infinity-datasource A Grafana data source plugin that lets you visualize data from JSON, CSV, TSV, XML, GraphQL, and HTML endpoints directly in Grafana dashboa… | 99 | 1084 | active |
| bytedance/byteps BytePS is a high-performance parameter server framework for distributed deep neural network training, supporting TensorFlow, Keras, PyTorch… | 10 | 3717 | maintenance |
| broadinstitute/cromwell Cromwell is an open-source Workflow Management System from the Broad Institute that executes scientific workflows written in WDL (Workflow … | 75 | 1083 | active |
| hail-is/hail Hail is an open-source Python library for scalable exploration and analysis of genomic data, built on Spark, Scala, and C++ primitives for … | 88 | 1080 | active |
| xataio/xata Xata is an open-source, cloud-native Postgres platform for self-hosting many Postgres instances on Kubernetes, with copy-on-write branching… | 58 | 1080 | stable |
| jakejarvis/s3-sync-action A GitHub Action that syncs a directory from your repository or build output to a remote AWS S3 bucket using the vanilla AWS CLI. It is comm… | 10 | 1080 | stable |
| openkruise/kruise-game OpenKruiseGame (OKG) is a CNCF OpenKruise sub-project providing a custom Kubernetes workload (CRDs and controllers) specialized for game se… | 77 | 1079 | active |
| Telegraph图床 A serverless image, video, and file hosting service built on Cloudflare Workers and Pages, storing files via the Telegram Bot API with meta… | 76 | 1079 | active |
| tryAGI/LangChain LangChain .NET is a C#/.NET implementation of the LangChain framework for building LLM-powered applications through composability. It provi… | 64 | 1077 | active |
| hashicorp/terraform-provider-helm The official Terraform provider for Helm, written in Go, enabling installation and management of Helm chart releases on Kubernetes clusters… | 90 | 1076 | active |
| openops-cloud/openops OpenOps is an open-source, no-code FinOps automation platform that helps organizations reduce cloud costs through customizable workflows fo… | 85 | 1073 | active |
| GoogleCloudPlatform/k8s-config-connector GCP Config Connector is a Kubernetes add-on that lets you manage Google Cloud resources (e.g., Cloud Spanner, Cloud Storage) declaratively … | 100 | 1072 | active |
| IvorySQL/IvorySQL IvorySQL is an open-source, Oracle-compatible fork of PostgreSQL that remains a 100% drop-in replacement for the latest PostgreSQL. It adds… | 94 | 1069 | active |
| spring-cloud/spring-cloud-stream Spring Cloud Stream is a Java framework for building event-driven microservices connected via messaging systems like Kafka and RabbitMQ. It… | 91 | 1069 | active |
| Cloud Functions for Firebase Cloud Functions for Firebase is a serverless framework that runs JavaScript, TypeScript, Python, and (experimentally) Dart backend code in … | 98 | 1068 | active |
| cuOpt NVIDIA cuOpt is a GPU-accelerated optimization engine for linear programming, quadratic programming, mixed integer programming, and vehicle… | 83 | 1067 | active |
| Evokoa/pgGraph pgGraph is a PostgreSQL extension (built with pgrx in Rust) that adds graph database capabilities—graph search, traversal, and shortest-pat… | 79 | 1067 | active |
| ovn-kubernetes/ovn-kubernetes OVN-Kubernetes is an open-source CNI plugin that provides a robust networking solution for Kubernetes clusters, built on OVN (Open Virtual … | 87 | 1066 | active |
| hookdeck/outpost Outpost is open-source outbound webhook and event delivery infrastructure that lets SaaS platforms reliably send events to their customers'… | 86 | 1066 | active |
| r-lib/actions A collection of reusable GitHub Actions for R projects, providing setup of R, dependencies, renv, pandoc, and TinyTeX, plus running R CMD c… | 66 | 1065 | active |
| vercel-labs/knowledge-agent-template An open-source TypeScript (Nuxt/Vue) template for building file-system and knowledge-base based AI agents that search sources with grep, fi… | 58 | 1065 | active |
| airbnb/chronon Chronon is an open-source data platform from Airbnb for computing, backfilling, and serving ML features. It handles batch and streaming fea… | 73 | 1063 | active |
| aws-actions/amazon-ecr-login A GitHub Actions action that authenticates the local Docker client to Amazon ECR Private or Public registries. It exposes registry and cred… | 97 | 1062 | active |
| l7mp/stunner STUNner is a Kubernetes media gateway for WebRTC that lets you run WebRTC media servers in the cloud without fighting Kubernetes container … | 82 | 1062 | active |
| repository-settings/app A Probot-based GitHub App that syncs repository settings defined in a `.github/settings.yml` file to GitHub. It enables managing repository… | 97 | 1061 | active |
| kavinsood/yaos YAOS is an Obsidian plugin plus a self-deployed Cloudflare Worker that provides real-time note synchronization using Yjs CRDT merge semanti… | 80 | 1059 | active |
| SharzyL/pastebin-worker A self-hostable pastebin and URL shortener running on Cloudflare Workers, using Workers KV and R2 for storage. It offers a web UI, an HTTP … | 75 | 1059 | active |
| kubernetes/dns The Kubernetes DNS (kube-dns) project provides cluster-internal DNS resolution for Kubernetes services and pods. It ships containerized com… | 70 | 1058 | active |
| apache/phoenix Apache Phoenix is a SQL layer over Apache HBase delivered as a client-embedded JDBC driver, compiling standard SQL queries into low-latency… | 85 | 1057 | active |
| firesim/firesim FireSim is an open-source FPGA-accelerated full-system hardware simulation platform for validating, profiling, and debugging RTL hardware i… | 91 | 1054 | active |
| spatie/laravel-pdf A Laravel package for generating PDF files from Blade views using a driver-based architecture. It supports multiple backends including Brow… | 89 | 1050 | active |
| jonrau1/ElectricEye ElectricEye is a multi-cloud, multi-SaaS Python CLI tool for asset management, security posture management, and attack surface monitoring. … | 58 | 1049 | active |
| kevinohara80/sfdc-trigger-framework A minimal Salesforce Apex trigger framework providing a TriggerHandler base class that keeps triggers logicless by routing trigger context … | 32 | 1049 | stable |
| serverless-operations/serverless-step-functions A Serverless Framework plugin that adds support for defining and deploying AWS Step Functions state machines via serverless.yml. It support… | 90 | 1048 | active |
| LeoYeAI/openclaw-marketing-skills A collection of 37 battle-tested marketing skills (prompt packs) for OpenClaw AI agents, covering CRO, copywriting, SEO, paid ads, email, g… | 50 | 1048 | active |
| r0adkll/upload-google-play A GitHub Action that uploads Android .apk or .aab release files to the Google Play Console via the Google Play Developer API v3. It support… | 87 | 1045 | active |
| villesau/ai-codereviewer A GitHub Action that uses OpenAI's GPT-4 API to automatically review pull requests and post intelligent feedback comments. It retrieves PR … | 21 | 1044 | active |
| myscale/MyScaleDB MyScaleDB is a SQL vector database built as a fork of ClickHouse, adding high-performance vector search and full-text search to a proven OL… | 16 | 1043 | active |
| tensorflow/minigo Minigo is an open-source, minimalist implementation of the AlphaGo Zero algorithm for the game of Go, built on TensorFlow. It provides a re… | 10 | 3543 | maintenance |
| Netflix/Priam Priam is a co-process from Netflix that runs alongside Apache Cassandra to automate backup/recovery, token management, seed discovery, and … | 96 | 1039 | active |
| Nutlope/blinkshot BlinkShot is an open-source web application that generates AI images in real time as you type, powered by the Flux Schnell model via Togeth… | 64 | 1039 | active |
| igrigorik/ga-beacon A small Go service that acts as a collector-as-a-service for Google Analytics via the Measurement Protocol, letting you track page views wi… | 32 | 3536 | maintenance |
| The Rick and Morty API The Rick and Morty API is a free, open-source REST and GraphQL API serving canonical data about characters, locations, and episodes from th… | 62 | 1037 | stable |
| k8up-io/k8up K8up is a Kubernetes and OpenShift backup operator built on Restic, distributed via Helm chart, that handles PVC and application backups th… | 95 | 1036 | stable |
| VolSync VolSync is a Kubernetes operator that asynchronously replicates persistent volumes between clusters using rsync or rclone, and creates volu… | 84 | 1036 | active |
| twitter/scalding Scalding is a Scala library for specifying Hadoop MapReduce jobs, built on top of the Cascading framework. It provides a type-safe, functio… | 23 | 3524 | maintenance |
| goreleaser/goreleaser-action A GitHub Action that runs GoReleaser, the release automation tool for Go projects, within GitHub Actions workflows. It handles installing a… | 95 | 1035 | active |
| apache/flink-kubernetes-operator A Kubernetes operator for Apache Flink, implemented in Java, that manages the full lifecycle of Flink Application, Session, and Job deploym… | 76 | 1033 | stable |
| Apache YuniKorn Apache YuniKorn Core is the core scheduling engine of a lightweight, universal resource scheduler for container orchestrators, primarily de… | 94 | 1032 | active |
| Trow-Registry/trow Trow is a lightweight OCI-compliant container image registry written in Rust that runs inside a Kubernetes cluster. It caches external imag… | 78 | 1031 | active |
| fedify-dev/fedify Fedify is a TypeScript framework for building federated server applications on the ActivityPub protocol, handling signatures, discovery, ac… | 89 | 1029 | active |
| opengeos/streamlit-geospatial A multi-page Streamlit web application showcasing geospatial applications, including interactive mapping and real estate data/market trend … | 66 | 1029 | active |
| kaito-project/kaito KAITO is a Kubernetes operator suite that automates LLM inference, fine-tuning, and RAG engine deployment using simplified CRD APIs. It aut… | 93 | 1028 | active |
| microsoft/Tutel Tutel is Microsoft's optimized Mixture-of-Experts (MoE) library for efficient training and inference of large language models, featuring dy… | 79 | 1028 | active |
| mariadb-operator/mariadb-operator A Kubernetes operator that runs and operates MariaDB declaratively using CRDs instead of imperative commands. It provisions standalone serv… | 94 | 1027 | active |
| frappe/insights Frappe Insights is a 100% open-source business intelligence (BI) tool for data analysis and reporting, built on the Frappe Framework. It le… | 95 | 1026 | active |
| cisagov/thorium Thorium is a scalable, distributed file analysis and data generation platform that orchestrates arbitrary Docker, VM, or shell-based tools … | 85 | 1024 | active |
| wozulong/open-wegram-bot A zero-cost, stateless Telegram two-way private messaging bot deployable on Cloudflare Workers or Vercel. Users message your bot and their … | 17 | 1023 | active |
| bxx2004/FUNGA FUNGA (Functional Gene Annotation Exploitation Platform) is an AI-powered web platform for mining gene functions, integrating cross-species… | 35 | 1020 | active |
| appleboy Telegram notification A GitHub Action that sends Telegram notification messages from CI/CD workflows. It uses the Telegram Bot API to deliver custom or default b… | 92 | 1018 | active |
| bytechefhq/bytechef ByteChef is an open-source, self-hostable platform that combines AI agent orchestration with workflow automation and API integration. It pr… | 98 | 1017 | active |