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 |
|---|---|---|---|
| fluid-cloudnative/fluid Fluid is a Kubernetes-native distributed dataset orchestrator and accelerator for data-intensive applications such as big data and AI workl… | 77 | 1986 | active |
| monoscope-tech/monoscope Monoscope is an open-source observability platform for ingesting and exploring logs, traces, and metrics stored in your own S3-compatible b… | 100 | 1975 | active |
| firecrawl/fireplexity Fireplexity is an open-source, Perplexity-style AI search engine built with TypeScript that delivers answers with real-time citations, stre… | 33 | 1975 | active |
| Wrangler Action An official GitHub Action that wraps Cloudflare's Wrangler CLI to deploy Cloudflare Workers and Pages applications directly from GitHub Act… | 97 | 1970 | active |
| jd-opensource/JoyAI-VL-Interaction JoyAI-VL-Interaction is an open 8B-scale vision-language interaction model with a complete deployable real-time streaming system, including… | 59 | 1970 | active |
| Azure/Microsoft-Defender-for-Cloud The official Microsoft Defender for Cloud community repository containing PowerShell scripts, Azure Policy definitions, Logic App templates… | 76 | 1959 | active |
| Qexo/Qexo Qexo is a fast, powerful, and beautiful online manager/editor for static blog frameworks such as Hexo, built on a Django backend. It can be… | 87 | 1954 | active |
| Zenko Zenko CloudServer is an open-source, Amazon S3-compatible object storage server written in Node.js. It exposes a single S3 API while storin… | 93 | 1951 | active |
| vvxw/deploy-vercel A Vercel-deployable template that runs a proxy node service disguised behind a static HTML decoy page, with subscription link generation an… | 54 | 1944 | active |
| elitak/nixos-infect A shell script that replaces the existing operating system on a freshly provisioned VPS or cloud host with NixOS. It supports many provider… | 62 | 1941 | active |
| NVIDIA-AI-Blueprints/video-search-and-summarization NVIDIA's GPU-accelerated AI Blueprint reference architecture for building video analytics agents that search, summarize, and reason over li… | 86 | 1938 | active |
| deepfence/PacketStreamer PacketStreamer is a distributed, high-performance remote packet capture tool that runs lightweight sensors on target hosts to stream filter… | 10 | 1934 | active |
| NodeOS/NodeOS NodeOS is a lightweight operating system built on the Linux kernel that uses Node.js as its userspace and npm as its primary package manage… | 23 | 7344 | maintenance |
| SMNETSTUDIO/WeChat-AI A self-hosted WeChat roleplay chatbot service written in TypeScript that connects directly to Tencent iLink, stores data in remote Redis, a… | 65 | 1931 | active |
| derekantrican/GAS-ICS-Sync A Google Apps Script that syncs ICS/ICAL calendar files into Google Calendar far more frequently than Google's built-in 12-24 hour refresh.… | 44 | 1927 | active |
| Swatinem/rust-cache A GitHub Action that provides smart caching for Rust/Cargo projects in CI workflows, caching the cargo registry, dependency builds, and wor… | 89 | 1923 | active |
| FJ-OMS/oms-erp An open-source omni-channel business middleware (zhongtai) system for new retail, combining an order management system (OMS/e-commerce ERP)… | 45 | 1923 | active |
| OpenUPM OpenUPM is an open-source Unity Package Manager (UPM) registry service that hosts, builds, and automatically publishes open-source Unity pa… | 68 | 1922 | active |
| microsoft/sample-app-aoai-chatGPT A Microsoft sample web chat application that connects to Azure OpenAI chat models, including support for the 'On Your Data' feature with da… | 10 | 1922 | active |
| google-github-actions/setup-gcloud A GitHub Action that installs and configures the Google Cloud SDK (gcloud CLI) within GitHub Actions workflows. It supports version constra… | 65 | 1914 | active |
| silvertakana/worldwideview WorldWideView is an open-source, plugin-driven geospatial intelligence platform that renders live global data streams (aircraft, ships, sig… | 59 | 1914 | active |
| bbc/sqs-consumer A Node.js/TypeScript library that wraps Amazon SQS into a simple consumer API, letting developers define an async message handler without b… | 98 | 1908 | active |
| AssetSync/asset_sync A Ruby gem that synchronizes Rails precompiled assets (via the asset pipeline) to cloud storage such as Amazon S3, Google Cloud Storage, Az… | 76 | 1892 | stable |
| joyce677/TrendRadar TrendRadar is a lightweight self-hosted hot-topic monitor that aggregates trending news from 35 Chinese platforms (Weibo, Zhihu, Bilibili, … | 63 | 1892 | active |
| Convox Convox Rack is an open-source private Platform-as-a-Service that installs into your own AWS account, providing Heroku-style app deployment,… | 98 | 1890 | active |
| nisshi-io/nisshi Nisshi is a stateless, Kafka API-compatible message broker written in async Rust with pluggable storage engines (PostgreSQL, SQLite/libSQL,… | 90 | 1888 | active |
| polyfillpolyfill/polyfill-service Polyfill.io is a web service that automatically serves JavaScript polyfills tailored to each browser. It inspects the User-Agent header of … | 23 | 7136 | maintenance |
| asavinov/intelligent-trading-bot A Python-based automated cryptocurrency trading bot that generates trade signals using machine learning and feature engineering. It separat… | 74 | 1879 | active |
| Sourcery Sourcery is an AI-powered automated code review service that reviews pull requests on GitHub and GitLab, posting summaries, inline comments… | 96 | 1869 | active |
| neo4j-contrib/neo4j-apoc-procedures APOC (Awesome Procedures On Cypher) is a library of hundreds of procedures and functions that extend Neo4j's Cypher query language. It is p… | 89 | 1868 | active |
| ever-co/ever-demand Ever Demand is an open-source, real-time on-demand commerce platform for building single-store shops, multi-vendor marketplaces, and on-dem… | 66 | 1867 | active |
| pinterest/secor Secor is a Java service that persists Apache Kafka log messages to object stores such as Amazon S3, Google Cloud Storage, Azure Blob Storag… | 75 | 1858 | stable |
| magma/magma Magma is an open-source mobile core network platform that provides an extendable packet core (EPC/5G core) for network operators, consistin… | 60 | 1858 | active |
| TEAMMATES/teammates TEAMMATES is a free, cloud-based online tool for managing peer evaluations and other feedback paths for students, used by hundreds of unive… | 74 | 1855 | active |
| MapleTechLabs/maple Maple is an open-source observability platform for traces, logs, and metrics built on OpenTelemetry and ClickHouse, with dashboards, servic… | 83 | 1851 | active |
| dyrector-io/dyrectorio dyrector.io is a self-hosted continuous delivery and deployment platform for OCI containers with version management, offering low-code depl… | 79 | 1848 | active |
| NikolayS/PgQue PgQue is a zero-bloat job/event queue for PostgreSQL implemented in pure SQL and PL/pgSQL, rebuilt from Skype's battle-tested PgQ architect… | 60 | 1831 | active |
| beam-cloud/beta9 Beam (beta9) is an open-source serverless runtime for AI workloads, providing GPU inference endpoints, isolated sandboxes for running untru… | 91 | 1827 | active |
| Gitcoin Gitcoin's web application, the codebase behind gitcoin.co, a platform for funding open source software through bounties, grants, and quadra… | 23 | 1825 | active |
| apache/auron Apache Auron (Incubating) is a native vectorized query accelerator for distributed big data engines like Apache Spark, built on Apache Data… | 87 | 1824 | active |
| buildship-ai/rowy Rowy is an open-source low-code backend platform for Firebase and Google Cloud that provides an Airtable-like spreadsheet UI for managing F… | 23 | 6847 | maintenance |
| APIParkLab/APIPark APIPark is an open-source, cloud-native AI gateway and API developer portal for managing, integrating, and deploying AI and REST APIs. It u… | 86 | 1819 | active |
| NVIDIA-NeMo/Curator NVIDIA NeMo Curator is a scalable, GPU-accelerated toolkit for preprocessing and curating large text, image, video, and audio datasets for … | 88 | 1814 | active |
| antrea-io/antrea Antrea is a Kubernetes-native CNI plugin that provides pod networking and NetworkPolicy enforcement using Open vSwitch as the data plane. I… | 96 | 1813 | stable |
| google/nomulus Nomulus is an open-source, scalable, cloud-based top-level domain (TLD) registry service written in Java and running on Google Kubernetes E… | 95 | 1813 | active |
| andrewsbarbaro/for-the-badge For the Badge is a web application for creating and sharing custom SVG badges with custom text, colors, and icons, famous for its 'badges f… | 75 | 1813 | active |
| allenai/ai2thor AI2-THOR is an open-source platform from the Allen Institute for AI providing near photo-realistic, interactable 3D environments (iTHOR, Ma… | 42 | 1809 | active |
| supervc-stack/VectorChord VectorChord is a PostgreSQL extension written in Rust for scalable, disk-efficient vector similarity search, serving as the successor to pg… | 73 | 1807 | active |
| Jet Admin Jet Bridge is a standalone Python application that exposes a REST API over your SQL database so it can connect to Jet Admin, a SaaS no-code… | 76 | 1800 | active |
| towardsthecloud/cloudburn CloudBurn is an open-source AWS cost policy engine distributed as a CLI, SDK, and GitHub App. It runs deterministic cost rules against Terr… | 93 | 1789 | active |
| metlo-labs/metlo Metlo is an open-source API security platform that inventories API endpoints, detects malicious traffic in real time, and can automatically… | 34 | 1789 | active |
| LearnPrompt/ai-news-radar AI News Radar is an automated 24-hour AI/tech news aggregator that fetches sources, deduplicates stories, and scores headlines with three p… | 78 | 1788 | active |
| apache/storm Apache Storm is a free and open-source distributed realtime computation system for processing unbounded streams of data, providing primitiv… | 97 | 6696 | maintenance |
| xyTom/Url-Shorten-Worker A self-hosted URL shortener built as a Cloudflare Worker, storing link mappings in Workers KV. It includes an API for creating short links … | 60 | 1783 | active |
| dougmoscrop/serverless-http A Node.js library that wraps existing web frameworks like Express, Koa, and Connect so they can run inside serverless functions (primarily … | 74 | 1778 | stable |
| franceking1/Flash-Md-V3 FLASH-MD-V3 is a customizable WhatsApp bot built with Node.js and the WhatsApp Web API. It automates messaging tasks, manages groups, and d… | 62 | 1777 | active |
| AngusKit/AngusTester AngusTester is a self-hosted agile development and testing platform combining project management, functional/API/scenario testing, service … | 65 | 1772 | active |
| newsapps/beeswithmachineguns Bees with Machine Guns is a Python CLI utility that spins up many micro EC2 instances ('bees') to perform distributed load testing against … | 32 | 6629 | maintenance |
| open-telemetry/opentelemetry-operator A Kubernetes Operator written in Go that manages the lifecycle of OpenTelemetry Collector instances and auto-instrumentation of workloads v… | 99 | 1770 | active |
| Nutlope/twitterbio A Next.js web application that generates Twitter/X bios using AI models (Qwen 3.5 9B and GPT OSS 20B) served via the Together AI API with s… | 68 | 1770 | active |
| bulianglin/psub psub is a proxy subscription conversion tool deployed on Cloudflare Workers that acts as a reverse proxy for subscription conversion backen… | 10 | 1769 | active |
| Genie Genie is a federated distributed job orchestration and execution engine developed by Netflix, exposing REST APIs to run big data jobs like … | 64 | 1766 | active |
| aws/aws-node-termination-handler AWS Node Termination Handler is a Kubernetes daemon/controller that watches for EC2 instance shutdown events such as Spot interruptions, ma… | 79 | 1763 | active |
| cnosdb/cnosdb CnosDB is an open-source, cloud-native distributed time-series database written in Rust, supporting standard SQL, schemaless writes, and ou… | 46 | 1759 | active |
| apache/eventmesh Apache EventMesh is a cloud-native, serverless event middleware for building distributed event-driven applications. It provides a unified C… | 73 | 1758 | active |
| GoogleCloudPlatform/agent-starter-pack A Python package from Google Cloud Platform that provides production-ready templates for building and deploying GenAI agents on Google Clou… | 68 | 6569 | maintenance |
| T5 The official T5 library from Google Research, implementing the text-to-text transfer transformer for NLP tasks like summarization, question… | 67 | 6562 | maintenance |
| maxbbraun/trump2cash A Python stock trading bot that watches Donald Trump's tweets, detects mentions of publicly traded companies, and uses sentiment analysis t… | 10 | 6545 | maintenance |
| Firebase Admin SDK The Firebase Admin Node.js SDK is the official server-side library for accessing Firebase services (Authentication, Realtime Database, Clou… | 98 | 1751 | stable |
| googleworkspace/apps-script-oauth2 An OAuth2 library for Google Apps Script that creates, authorizes, and refreshes OAuth2 tokens using Apps Script's StateTokenBuilder and /u… | 58 | 1750 | active |
| SonicJs-Org/sonicjs SonicJS is an open-source, edge-native headless CMS built for Cloudflare Workers using TypeScript, Hono, D1, and R2, with sub-100ms API res… | 95 | 1742 | active |
| AWS Config Rules Development Kit (RDK) A community repository of sample custom AWS Config rules written in Python, Node.js, and Java. These Lambda-based rules evaluate AWS resour… | 76 | 1739 | active |
| mit-cml/appinventor-sources MIT App Inventor is a visual, block-based programming platform that lets users build Android applications without writing traditional code.… | 75 | 1739 | active |
| vdaas/vald Vald is a highly scalable, distributed approximate nearest neighbor (ANN) dense vector search engine built on cloud-native architecture and… | 86 | 1733 | active |
| rancher/os RancherOS is a tiny Linux distribution in which the entire operating system, including system services, runs as Docker containers managed b… | 10 | 6448 | maintenance |
| arithmetric/aws-lambda-ses-forwarder A Node.js script for AWS Lambda that uses AWS Simple Email Service (SES) inbound/outbound capabilities to run a serverless email forwarding… | 23 | 1729 | stable |
| claffin/cloudproxy CloudProxy is a self-hosted Python tool that provisions and manages proxy servers across multiple cloud providers, rotating IPs to improve … | 77 | 1727 | active |
| sambecker/exif-photo-blog A self-hostable Next.js photo blog application that extracts and displays EXIF camera details (aperture, shutter speed, ISO, lens, film sim… | 73 | 1726 | active |
| argoproj-labs/argocd-image-updater Argo CD Image Updater is a tool that automatically updates container image versions for Kubernetes workloads managed by Argo CD. It tracks … | 100 | 1722 | active |
| flowglad/flowglad Flowglad is an open-source payments and billing SDK for SaaS applications, built around a 'zero webhooks' stateless model where customer bi… | 63 | 1718 | active |
| timothymiller/t4-app T4 App (create-t4-app) is a full-stack meta-framework and interactive CLI for building universal iOS, Android, and Progressive Web Apps usi… | 30 | 1718 | active |
| kube-logging/logging-operator A CNCF Sandbox Kubernetes operator that automates deployment and configuration of a complete logging pipeline, managing Fluent Bit log coll… | 98 | 1716 | active |
| kingoflolz/mesh-transformer-jax A JAX/Haiku library implementing model-parallel training and inference of transformer models using xmap/pjit operators, similar to Megatron… | 32 | 6384 | maintenance |
| Codecov A GitHub Action that uploads code coverage reports to Codecov from GitHub Actions workflows. It wraps the Codecov CLI/uploader to simplify … | 96 | 1715 | active |
| metrico/gigapipe Gigapipe (formerly qryn) is an open-source, all-in-one polyglot observability warehouse that ingests and serves logs, metrics, traces, and … | 99 | 1714 | active |
| flux-iac/tofu-controller Tofu Controller is a Kubernetes controller that reconciles OpenTofu and Terraform resources through Flux in a GitOps workflow. It supports … | 92 | 1714 | active |
| 4paradigm/OpenMLDB OpenMLDB is an open-source machine learning database that acts as a feature platform, computing consistent features for both offline traini… | 65 | 1714 | active |
| mateaix/matecloud MateCloud is a Java-based microservices scaffold built on Spring Boot 4, Spring Cloud 2025, Spring Cloud Alibaba, and Dubbo 3, offering gat… | 82 | 1711 | active |
| redwoodjs/sdk RedwoodSDK is a server-first React framework built as a Vite plugin for the Cloudflare platform, enabling React Server Components, server f… | 83 | 1710 | active |
| wu529778790/panhub.shenzjd.com PanHub is a self-hostable netdisk search aggregator that combines results from Quark, Aliyun Drive, Baidu Netdisk, 115, Thunder and 80+ Tel… | 62 | 1708 | active |
| Alchemy Alchemy is a TypeScript-native Infrastructure-as-Code library for defining cloud resources (e.g., Cloudflare Workers, R2 buckets, Durable O… | 81 | 1706 | active |
| kubeflow/katib Kubeflow Katib is a Kubernetes-native AutoML system for hyperparameter tuning, early stopping, and neural architecture search. It is ML-fra… | 70 | 1706 | stable |
| inverse-inc/packetfence PacketFence is a free and open source network access control (NAC) solution with a captive portal for registration and remediation, 802.1X … | 86 | 1704 | stable |
| DingoDB DingoDB is an open-source distributed multi-modal vector database that combines relational (SQL) and vector semantics in a unified platform… | 66 | 1703 | active |
| matanolabs/matano Matano is an open-source, cloud-native security data lake that runs in your AWS account, normalizing unstructured security logs into a stru… | 23 | 1701 | active |
| MLRun MLRun is an open-source MLOps and AI orchestration framework for building, training, deploying, and monitoring machine learning and generat… | 92 | 1697 | active |
| aws/aws-fpga The official AWS EC2 FPGA Hardware and Software Development Kit for building hardware accelerators on EC2 F2 instances. It provides tools, … | 95 | 1689 | active |
| intelligent-machine-learning/dlrover DLRover is an automatic distributed deep learning system that manages training of large AI models on Kubernetes and Ray clusters. It provid… | 80 | 1689 | active |
| PolarDB-X PolarDB-X is a cloud native distributed SQL database built in Java with a shared-nothing architecture that decouples compute from storage. … | 85 | 1686 | stable |
| nextify-limited/libra Libra AI is an open-source alternative to V0 and Lovable that generates production-grade full-stack web applications from natural language … | 34 | 1684 | active |