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 |
|---|---|---|---|
| nginxinc/NGINX-Demos A collection of demo configurations and scripts from NGINX showing load balancing, service discovery, autoscaling, and deployment patterns … | 75 | 1286 | active |
| stategraph/stategraph Stategraph is a platform that replaces Terraform/OpenTofu's file-based state with a Postgres-backed dependency graph, enabling resource-lev… | 84 | 1285 | active |
| kubeai-project/kubeai KubeAI is a Kubernetes operator for serving machine learning models in production, supporting LLMs via vLLM and Ollama, vector embeddings, … | 95 | 1284 | active |
| maximevaillancourt/digital-garden-jekyll-template A Jekyll template for starting your own digital garden website with Markdown or HTML notes. It supports Roam-style [[wiki links]], automati… | 10 | 1283 | active |
| Nixtla/mlforecast mlforecast is a Python framework for time series forecasting using any machine learning model with fit/predict methods, providing efficient… | 94 | 1282 | active |
| fatwang2/search2ai A proxy service that adds online search, news, and webpage summarization capabilities to any OpenAI-compatible LLM API via function calling… | 85 | 1281 | active |
| colbyfayock/next-wordpress-starter A Next.js starter template that turns WordPress into a headless CMS, generating a static, SEO-friendly site via WPGraphQL. It ships with bl… | 76 | 1281 | active |
| WXPush WXPush is a lightweight WeChat official account template message push service deployable on Cloudflare Workers or Docker. It exposes a simp… | 60 | 1281 | active |
| firecmsco/firecms FireCMS is an open-source React/TypeScript framework that auto-generates admin panels, back-office tools, and headless CMS interfaces on to… | 93 | 1280 | active |
| AkashRajpurohit/howtoprofessionallysay A static website built with Next.js and Tailwind CSS that translates blunt or informal phrases into more professional workplace alternative… | 62 | 1279 | active |
| ad-m/github-push-action A GitHub Action (written in Shell) that pushes local changes made during a workflow back to a GitHub repository using an authorized GITHUB_… | 77 | 1278 | active |
| Harden-Runner Harden-Runner is a CI/CD security agent that acts like an EDR for GitHub Actions runners, monitoring network egress, file integrity, and pr… | 95 | 1277 | active |
| astronomer/astronomer-cosmos Astronomer Cosmos is an open-source Python library that converts dbt Core or dbt Fusion projects into Apache Airflow DAGs and task groups w… | 96 | 1276 | active |
| SimeonGriggs/tints.dev A web application that generates 11-color (50-950) palettes for Tailwind CSS from a single hex value, with controls for hue, saturation, an… | 65 | 1276 | active |
| pipeboard-co/meta-ads-mcp A Model Context Protocol (MCP) server that lets AI assistants like Claude, ChatGPT, Perplexity, and Cursor manage Meta Ads (Facebook/Instag… | 80 | 1275 | active |
| schemahero/schemahero SchemaHero is a database schema migration tool that lets you define table schemas declaratively in YAML and generates the SQL needed to rec… | 96 | 1273 | active |
| WunderGraph Cosmo WunderGraph Cosmo is an open-source full lifecycle API management platform for federated GraphQL, including a schema registry, composition … | 90 | 1272 | active |
| pinterest/knox Knox is a self-hosted secret management service written in Go that stores, serves, and rotates secrets, keys, and credentials used by other… | 64 | 1271 | active |
| Alpakka Akka is a JVM-based platform built on the actor model for building concurrent, distributed, and resilient applications, comprising core lib… | 91 | 1268 | active |
| AElfProject/AElf aelf is a cloud-native layer-1 blockchain network written in C# that achieves scalability through a mainchain plus multi-dAppChain (sidecha… | 83 | 1268 | active |
| Open Liberty Open Liberty is a lightweight, composable Java application server runtime for building cloud-native microservices with MicroProfile and Jak… | 96 | 1267 | active |
| tembo/tembo Tembo is a cloud platform that runs coding agents (Claude Code, Codex, Cursor, etc.) across your repositories, tickets, and tools with full… | 75 | 1267 | active |
| CopilotKit/OpenTag OpenTag is an open-source, self-hosted knowledge-work AI agent for Slack and Microsoft Teams, built as the starter application for the Chan… | 78 | 1258 | active |
| pry0cc/axiom Axiom is a dynamic infrastructure framework for spinning up disposable multi-cloud instances pre-loaded with security scanning tools like n… | 23 | 4429 | maintenance |
| selfxyz/self Self is an open-source monorepo for a privacy-preserving identity verification platform that lets users generate zero-knowledge proofs from… | 71 | 1256 | active |
| openai/codex-action A GitHub Action that runs OpenAI's Codex CLI inside GitHub Actions workflows, installing the CLI and routing API calls through a secure pro… | 60 | 1246 | active |
| technomancy-dev/00 00 is a self-hostable dashboard and microservice for sending and monitoring transactional emails via AWS SES. It automates the SES -> SNS -… | 25 | 1244 | active |
| CIPP CIPP (CyberDrain Improved Partner Portal) is a self-hosted multitenant management portal for Microsoft 365 partners. It centralizes adminis… | 95 | 1243 | active |
| snarfed/bridgy-fed Bridgy Fed is an open-source bridge service that connects decentralized social networks, translating profiles, posts, likes, reposts, follo… | 77 | 1243 | active |
| supavec/supavec Supavec is an open-source RAG-as-a-Service platform (an alternative to Carbon.ai) that lets developers upload documents, generate embedding… | 45 | 1239 | active |
| pytorch/serve TorchServe is a flexible, production-ready model server for serving, optimizing, and scaling PyTorch models over HTTP with support for CPU,… | 10 | 4344 | maintenance |
| siliconcompiler/siliconcompiler SiliconCompiler is a modular Python-based hardware build system that automates the flow from RTL source code (Verilog, VHDL, Chisel, etc.) … | 95 | 1236 | active |
| Swift AWS Lambda Runtime A Swift implementation of the AWS Lambda Runtime API for developing and deploying Lambda functions written in Swift. It uses an embedded as… | 97 | 1235 | active |
| railwayapp/railpack Railpack is a zero-config application builder that automatically analyzes source code and turns it into an optimized OCI container image us… | 84 | 1232 | active |
| Scale3-Labs/langtrace Langtrace is an open-source, OpenTelemetry-based observability platform for LLM applications, providing real-time tracing, metrics, and eva… | 47 | 1232 | active |
| bricks-cloud/BricksLLM BricksLLM is a cloud-native AI gateway written in Go that sits between applications and LLM providers like OpenAI, Anthropic, Azure OpenAI,… | 31 | 1230 | active |
| mem9-ai/mem9 mem9 is a persistent memory layer for AI agents, providing cross-session and cross-machine memory, shared memory for multi-agent workflows,… | 60 | 1227 | active |
| testsigmahq/testsigma Testsigma is a GenAI-powered, codeless test automation platform for automating web, mobile, desktop, API, and enterprise app (Salesforce, S… | 62 | 1226 | active |
| run-house/kubetorch Kubetorch is a Python library that lets you distribute and run ML workloads (training, inference, data processing) on Kubernetes directly f… | 76 | 1225 | active |
| ca110us/epeius Epeius is a Trojan proxy server implemented as a Cloudflare Worker, allowing serverless deployment of the Trojan protocol without owning a … | 25 | 1225 | active |
| Truss Truss is a Python CLI and packaging framework for deploying and serving AI/ML models in production, primarily on the Baseten platform. It h… | 96 | 1223 | active |
| GoogleCloudPlatform/vertex-ai-creative-studio GenMedia Creative Studio is a web application showcasing Google Cloud's generative media APIs including Gemini Image (Nano Banana), Veo vid… | 87 | 1223 | active |
| skyplane-project/skyplane Skyplane is a CLI tool for blazingly fast bulk data transfers between cloud object stores (AWS S3, Azure Blob, GCS, IBM COS) and local disk… | 23 | 1222 | active |
| DragonOS-Community/DragonOS DragonOS is a 64-bit operating system with a fully independent kernel written from scratch in Rust, offering Linux binary compatibility. It… | 80 | 1220 | active |
| eooce/Auto-login-netlib A JavaScript automation script that periodically logs into netlib.re accounts to keep free domains alive, run via GitHub Actions on a 60-da… | 36 | 1220 | active |
| ardha27/AI-Song-Cover-RVC A collection of Google Colab and Kaggle notebooks that form an all-in-one toolkit for creating AI song covers with RVC (Retrieval-based Voi… | 65 | 1219 | active |
| vercel-labs/workflow-builder-template A template for building a visual AI workflow automation platform, built on Vercel's Workflow DevKit with a drag-and-drop React Flow editor.… | 57 | 1218 | active |
| SwitchBot Official documentation for the SwitchBot Open API v1.1, a REST API for controlling and monitoring SwitchBot smart home devices. It covers a… | 75 | 1217 | active |
| peter-evans/repository-dispatch A GitHub Action that creates repository dispatch events via the GitHub API, triggering other workflows in the same or a remote repository. … | 74 | 1210 | active |
| modal-labs/quillman QuiLLMan is a voice chat application built on Kyutai's Moshi speech-to-speech language model, deployed serverlessly on Modal with a FastAPI… | 65 | 1210 | active |
| planetscale/database-js A Fetch API-compatible database driver for PlanetScale Vitess/MySQL databases, designed for serverless and edge compute platforms like Clou… | 97 | 1207 | active |
| google/fuzzbench FuzzBench is a free Google-run service and framework that rigorously evaluates fuzzers on real-world benchmarks at large scale. It provides… | 57 | 1207 | active |
| NVIDIA/earth2studio Earth2Studio is a Python deep-learning framework from NVIDIA for building, exploring, and deploying AI-driven weather and climate workflows… | 88 | 1205 | active |
| jeremydaly/serverless-mysql A Node.js library wrapping mysql2 to manage MySQL connections for serverless functions like AWS Lambda. It monitors and caps connection usa… | 76 | 1203 | active |
| xorbitsai/xorbits Xorbits is an open-source distributed computing framework that scales Python data science and machine learning workloads from a laptop to l… | 61 | 1200 | active |
| Swetrix Swetrix is an open-source, privacy-first, cookieless web analytics platform serving as a GDPR-compliant Google Analytics alternative. It co… | 97 | 1199 | active |
| STRRL/cloudflare-tunnel-ingress-controller A Kubernetes ingress controller that exposes cluster services to the internet via Cloudflare Tunnel. It watches standard Ingress resources … | 89 | 1198 | active |
| TrafficGuard/typedai TypedAI is a TypeScript-first platform for building and running autonomous AI agents, LLM workflows, chatbots, and AI software engineering … | 50 | 1197 | active |
| aspnet/Benchmarks A collection of benchmark applications and Docker images for measuring ASP.NET Core performance, including TechEmpower Web Framework Benchm… | 76 | 1195 | active |
| fawazahmed0/quran-api A free Quran API service exposing Quran text and 440+ translations in 90+ languages via REST-style JSON endpoints served over a CDN. It req… | 75 | 1195 | stable |
| polterguy/magic Magic Cloud is a self-hosted, MIT-licensed AI app builder platform that turns plain-English prompts into full-stack applications — database… | 93 | 1194 | active |
| developmentseed/titiler TiTiler is a set of Python packages for building dynamic raster map tile services on top of FastAPI and Rasterio/GDAL. It serves tiles from… | 98 | 1192 | active |
| RookieEnough/Morphe-AutoBuilds An automated GitHub Actions workflow that builds Morphe (ReVanced-style) patched APKs for non-rooted Android devices every 24 hours. It fet… | 62 | 1192 | active |
| marsupialtail/quokka Quokka is a lightweight distributed dataflow/query engine written in Python, built on Ray, DuckDB, Polars, and Arrow, designed for stateful… | 23 | 1192 | active |
| apache/amoro Apache Amoro (incubating) is a Lakehouse management system built on open data lake formats like Iceberg, Paimon, and Mixed-Hive. It provide… | 71 | 1191 | active |
| keinsaasforever/better-chatbot Keinsaas Navigator (formerly Better Chatbot) is an open-source, self-hostable AI chatbot workspace built with Next.js and the Vercel AI SDK… | 66 | 1190 | active |
| Cloudflare AI A monorepo of TypeScript packages and examples for building AI-powered applications on Cloudflare. It provides Vercel AI SDK and TanStack A… | 79 | 1188 | active |
| rtCamp/action-slack-notify A GitHub Action written in Go that sends notification messages to a Slack channel via an incoming webhook. It is configured through environ… | 77 | 1188 | stable |
| Agent Landing Zone GPT-RAG is an Azure solution accelerator providing architecture templates and deployment assets for enterprise-scale Retrieval-Augmented Ge… | 92 | 1187 | active |
| SamuelZ12/longcut LongCut is a Next.js web application that turns long-form YouTube videos into a structured learning workspace with AI-generated highlight r… | 61 | 1186 | active |
| Azure-Samples/chat-with-your-data-solution-accelerator A Microsoft solution accelerator that deploys a ChatGPT-style Q&A experience grounded in your own documents, using Azure OpenAI models and … | 92 | 1185 | active |
| pypa/gh-action-pypi-publish The official PyPA GitHub Action for publishing Python distribution packages to PyPI and TestPyPI directly from CI/CD workflows. It supports… | 85 | 1183 | active |
| lesnolie/movecar A smart car-blocking notification system built on Cloudflare Workers that lets people scan a QR code on a parked car to notify the owner vi… | 40 | 1182 | active |
| apache/accumulo Apache Accumulo is a sorted, distributed key/value store built on Apache Hadoop's HDFS and Apache ZooKeeper for scalable storage and retrie… | 77 | 1179 | stable |
| tywalch/electrodb ElectroDB is a TypeScript library for AWS DynamoDB that simplifies modeling multiple entities and complex hierarchical relationships in a s… | 72 | 1178 | active |
| phoenixframework/flame FLAME is an Elixir library that lets you auto-scale parts of an existing application by wrapping code blocks in a FLAME.call, which execute… | 67 | 1177 | active |
| togettoyou/hub-mirror A GitHub Actions-based tool that mirrors Docker images from foreign registries (docker.io, gcr.io, registry.k8s.io, quay.io, ghcr.io) to a … | 32 | 1177 | active |
| OpenGemini openGemini is a cloud-native distributed time-series database written in Go, designed for storing and analyzing massive telemetry data such… | 78 | 1175 | active |
| unionj-cloud/go-doudou go-doudou is a lightweight Go microservice framework based on OpenAPI 3.0 (for REST) and Protobuf v3 (for gRPC), with a built-in code gener… | 66 | 1171 | active |
| polymind-inc/acmebot Acmebot is an Azure-native application that automates ACME SSL/TLS certificate issuance and renewal using DNS-01 validation, storing privat… | 98 | 1162 | active |
| zu1k/proxypool A Go service that automatically crawls proxy nodes (ss, ssr, vmess, trojan) from Telegram channels, subscription URLs, and the public inter… | 23 | 4034 | maintenance |
| vm0-ai/vm0 VM0 (Zero) is an AI agent platform that acts as a 'trustworthy AI teammate', connecting to 1,400+ tools (Slack, Notion, Gmail, Linear, GitH… | 81 | 1161 | active |
| chantastic/sites An Astro-based website project by chantastic, likely serving as a personal site or site starter template. It is deployed via Cloudflare, wi… | 73 | 1161 | active |
| aws/amazon-ssm-agent The Amazon SSM Agent is a Go-based daemon that runs on EC2 instances, on-premises servers, and VMs to enable remote management through AWS … | 96 | 1160 | stable |
| Firebase Admin SDK The Firebase Admin Python SDK lets privileged server-side Python code interact with Firebase services such as Authentication, Firestore, Re… | 93 | 1159 | stable |
| awslabs/aws-lambda-go-api-proxy A Go library that adapts requests from AWS Lambda and Amazon API Gateway to standard Go HTTP frameworks like Gin, Fiber, Echo, and net/http… | 10 | 1155 | active |
| spacecloud-io/space-cloud Space Cloud is a Kubernetes-based open-source serverless platform that generates instant GraphQL and REST APIs over databases like MongoDB,… | 23 | 4002 | maintenance |
| cloudflare/sandbox-sdk A TypeScript SDK for running secure, sandboxed code execution environments on Cloudflare Workers. It lets developers execute commands, mana… | 83 | 1153 | active |
| maester365/maester Maester is a PowerShell-based test automation framework that monitors and validates the security configuration of Microsoft 365 and Entra I… | 90 | 1151 | active |
| docker/metadata-action A GitHub Action that extracts metadata such as tags and labels from Git references and GitHub events for Docker images. It is typically pai… | 89 | 1151 | active |
| jupyterhub/the-littlest-jupyterhub The Littlest JupyterHub (TLJH) is a simple JupyterHub distribution that provides hosted Jupyter Notebooks for 1-100 users on a single serve… | 76 | 1148 | active |
| IDEA-Research/Grounding-DINO-1.5-API Python examples and API client for Grounding DINO 1.5/1.6, IDEA Research's open-world (open-set) object detection model series hosted on De… | 25 | 1148 | active |
| Apache APISIX A Kubernetes ingress controller that runs Apache APISIX as the gateway for handling inbound cluster traffic. It translates native Kubernete… | 87 | 1147 | active |
| Netflix/repokid Repokid is a Python tool from Netflix that enforces least privilege on AWS IAM roles by removing permissions for unused services from inlin… | 43 | 1146 | active |
| aws-samples/aws-serverless-ecommerce-platform A sample serverless backend implementation for an e-commerce website built on AWS services like Lambda, EventBridge, AppSync, and API Gatew… | 10 | 1146 | active |
| OpenNJet/OpenNJet OpenNJet is a high-performance, lightweight web application and proxy engine written in C, designed as a cloud-native service mesh data pla… | 57 | 1144 | active |
| vercel-labs/eve-software-factory-template Foreman is a template for an 'eve Software Factory' that runs AI agents across the development loop: a classifier triages tasks from GitHub… | 57 | 1144 | active |
| lambci/lambci LambCI is a serverless continuous integration system built on AWS Lambda that runs tests when code is pushed or pull requests are opened on… | 32 | 3962 | maintenance |
| layer5io/layer5 Layer5 is the umbrella repository and website for Layer5's cloud native infrastructure management projects, most notably Meshery (a CNCF co… | 77 | 1143 | active |
| dnnsoftware/Dnn.Platform DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) built on the Microsoft/.NET ecosystem, used to build comm… | 99 | 1141 | active |