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 |
|---|---|---|---|
| lakehq/sail Sail is an open-source, Rust-native multimodal compute engine that serves as a drop-in replacement for Apache Spark, unifying batch process… | 94 | 3465 | active |
| documentdb/documentdb DocumentDB is an open-source, MongoDB-compatible document database engine built as PostgreSQL extensions, providing native BSON support, CR… | 83 | 3462 | active |
| gautamkrishnar/blog-post-workflow A GitHub Action that automatically fetches your latest blog posts, StackOverflow activity, or YouTube videos via RSS feeds and displays the… | 95 | 3446 | active |
| alibaba/ROLL ROLL is an open-source reinforcement learning library from Alibaba for training large language models at scale, supporting algorithms like … | 82 | 3429 | active |
| apache/paimon Apache Paimon is a lakehouse table format that combines lake format with LSM tree structure to support real-time streaming updates. It enab… | 95 | 3426 | active |
| Universal Commerce Protocol The Universal Commerce Protocol (UCP) is an open standard and specification for interoperable, agentic commerce, defining capabilities like… | 77 | 3420 | active |
| superlinked/sie SIE (Superlinked Inference Engine) is an open-source, self-hosted inference server and production cluster that serves 100+ open models (emb… | 95 | 3414 | active |
| unpkg/unpkg unpkg is a global content delivery network that serves any file from any npm package via simple URLs like unpkg.com/package@version/file. T… | 73 | 3409 | active |
| Bref Bref is an open-source PHP framework and toolset for deploying and running PHP applications on AWS Lambda. It provides custom PHP runtimes … | 98 | 3403 | stable |
| NovaSky-AI/SkyThought SkyThought is the open-source repository behind Sky-T1, a family of reasoning language models trained for under $450, including training sc… | 22 | 3401 | active |
| oxylabs/oxylabs-ai-studio-py A Python SDK for Oxylabs AI Studio, a commercial API offering AI-powered web scraping, crawling, search, site mapping, and browser automati… | 10 | 3395 | active |
| IRNova/Nova-Proxy Nova Proxy is a censorship-resistant proxy panel deployed as a single Cloudflare Worker, providing VLESS, Trojan, Shadowsocks, and WARP sub… | 81 | 3390 | active |
| PhysicsNeMo NVIDIA PhysicsNeMo is an open-source Python deep-learning framework for building, training, fine-tuning, and inferring physics AI models us… | 93 | 3373 | active |
| Metorial Metorial is an open-source identity and access control plane for AI agents, providing 1200+ verified MCP integrations with centralized auth… | 65 | 3367 | active |
| open-telemetry/opentelemetry-demo The OpenTelemetry Astronomy Shop, a microservice-based distributed e-commerce demo system illustrating OpenTelemetry instrumentation across… | 92 | 3364 | active |
| dorny/paths-filter A GitHub Action that conditionally runs workflow jobs and steps based on which files were modified in a pull request, feature branch, or pu… | 94 | 3360 | active |
| Dragonfly Dragonfly is a CNCF Graduated P2P-based file and container image distribution system that accelerates large-scale delivery of images, OCI a… | 94 | 3346 | stable |
| Kovah/LinkAce LinkAce is a self-hosted web application for collecting, organizing, and archiving bookmarks with tags, lists, and advanced search. It auto… | 99 | 3345 | active |
| awslabs/aws-sdk-rust The official AWS SDK for Rust, providing one generated crate per AWS service plus a shared aws-config crate for credential and region loadi… | 94 | 3343 | stable |
| zalando/skipper Skipper is an HTTP router and reverse proxy written in Go, designed for service composition with support for hundreds of thousands of dynam… | 94 | 3332 | stable |
| Bytez-com/docs Bytez is a serverless model inference platform offering a unified API with a single key to run 175k+ open and closed-source AI models (LLMs… | 53 | 3329 | active |
| frappe/lms Frappe Learning is a 100% open-source Learning Management System built on the Frappe Framework for creating structured courses with videos,… | 95 | 3311 | active |
| huangxd-/danmu_api A JavaScript-based danmaku (bullet comment) API server that aggregates danmu from major Chinese and international video platforms (Bilibili… | 63 | 3309 | active |
| Gitpod Gitpod Classic is a developer platform providing on-demand, pre-configured cloud development environments based on Docker and .gitpod.yml, … | 67 | 13798 | maintenance |
| Powertools for AWS Lambda Powertools for AWS Lambda is a developer toolkit (available for Python, TypeScript, Java, and .NET) that implements serverless best practic… | 100 | 3294 | stable |
| PeerDB-io/peerdb PeerDB is an open-source ETL/CDC tool that streams data from Postgres to data warehouses, queues, and storage engines, with an actively mai… | 91 | 3293 | active |
| pezzolabs/pezzo Pezzo is an open-source, cloud-native LLMOps platform for managing the lifecycle of AI-powered features, including prompt design, versionin… | 62 | 3275 | active |
| FastMCP FastMCP is a TypeScript framework for building MCP (Model Context Protocol) servers with tools, resources, prompts, sessions, and authentic… | 82 | 3269 | active |
| oxylabs/ai-crawler-py A Python client library for Oxylabs AI Studio's AI-Crawler, a commercial service that crawls websites from a starting URL, uses natural lan… | 10 | 3264 | active |
| duckdb/pg_duckdb pg_duckdb is an official PostgreSQL extension that embeds DuckDB's columnar-vectorized analytics engine inside Postgres. It lets users run … | 66 | 3263 | active |
| gcui-art/suno-api An unofficial open-source API wrapper for Suno.ai's AI music generation service, exposing endpoints for generating songs, lyrics, and audio… | 54 | 3260 | active |
| Apache Gravitino Apache Gravitino is a high-performance, geo-distributed, federated metadata lake that provides unified metadata management across diverse d… | 93 | 3259 | active |
| koderover/zadig Zadig is an open-source, cloud-native DevOps platform built on Kubernetes and AI large language models. It provides CI/CD workflows, releas… | 92 | 3253 | active |
| mongodb/mongo-csharp-driver The official MongoDB driver for C# and .NET, providing a client API for connecting to, querying, and writing to MongoDB databases. It suppo… | 97 | 3247 | stable |
| determined-ai/determined Determined is an open-source deep learning platform that combines distributed training, hyperparameter tuning, experiment tracking, and GPU… | 36 | 3245 | active |
| openstack/nova OpenStack Nova is the compute service of OpenStack, acting as a cloud computing fabric controller that provisions and manages virtual machi… | 77 | 3237 | active |
| wangwangit/SubsTracker A lightweight subscription management and reminder system built on Cloudflare Workers and KV storage. It lets users track subscription expi… | 64 | 3237 | active |
| liyown/ai-trend-publish TrendPublish is a TypeScript-based automated content pipeline for WeChat Official Accounts that scrapes multiple sources (Twitter/X, RSS, s… | 76 | 3210 | active |
| googleapis/google-cloud-node The official Google Cloud Client Library for Node.js, a monorepo containing idiomatic npm client libraries for interacting with individual … | 96 | 3209 | stable |
| polardb/PolarDB-for-PostgreSQL PolarDB for PostgreSQL is a cloud-native, PostgreSQL-compatible database system developed by Alibaba Cloud. It uses a shared-storage archit… | 90 | 3205 | active |
| pglombardo/PasswordPusher Password Pusher is an open-source Ruby web application for securely sharing passwords, text, files, and URLs via encrypted, self-deleting l… | 93 | 3201 | active |
| WildFly WildFly is an open-source, modular, lightweight Jakarta EE and MicroProfile application server for running enterprise Java applications. It… | 96 | 3199 | active |
| Apache HugeGraph Apache HugeGraph is a fast, highly scalable graph database supporting tens of billions of vertices and edges with OLTP real-time queries vi… | 70 | 3192 | active |
| Miles Miles is an open-source, enterprise-grade reinforcement learning framework for large-scale LLM and VLM post-training, forked from and co-ev… | 84 | 3185 | active |
| Photon OS Photon OS is an open-source, security-hardened minimal Linux distribution purpose-built as a container host for cloud-native applications, … | 66 | 3178 | active |
| avitorio/outstatic Outstatic is a Git-based CMS that provides a dashboard for writing, editing, and publishing Markdown and MDX content stored in a GitHub rep… | 93 | 3169 | active |
| netptop/siteproxy SiteProxy is a self-hosted online reverse proxy built on Hono that lets users browse blocked sites like YouTube, Twitter, and Google throug… | 90 | 3163 | active |
| nesaorg/nesa Nesa is a privacy-preserving AI inference platform that runs models like Llama, Mistral, and Stable Diffusion with end-to-end encryption us… | 22 | 3163 | active |
| am-cf-tunnel A JavaScript script deployed on Cloudflare Workers and Pages that generates free VLESS and Trojan proxy nodes and converts their configurat… | 88 | 3159 | active |
| craigary/nobelium Nobelium is a static blog template built on Notion as a headless CMS and Next.js, designed for one-click deployment on Vercel. It offers fa… | 40 | 3151 | active |
| KubeBlocks KubeBlocks is an open-source Kubernetes operator and control plane that manages 35+ database and streaming engines (MySQL, PostgreSQL, Redi… | 81 | 3144 | active |
| dexmal/dexbotic Dexbotic is an open-source PyTorch-based toolbox for developing Vision-Language-Action (VLA) models for embodied intelligence. It unifies p… | 70 | 3144 | active |
| timescale/pgvectorscale pgvectorscale is a PostgreSQL extension written in Rust that complements pgvector with a StreamingDiskANN index, statistical binary quantiz… | 87 | 3136 | active |
| kane50613/takumi Takumi is a Rust-based rendering engine that converts JSX, HTML, and CSS into images (PNG, JPEG, WebP, SVG, animated GIF/WebP) and paged PD… | 83 | 3134 | active |
| aspen-cloud/triplit Triplit is an open-source full-stack syncing database that runs on both server and client, syncing data in real time over websockets with c… | 51 | 3115 | active |
| xingpingcn/enhanced-FaaS-in-China A service providing optimized CNAME records (e.g., vercel-cname.xingpingcn.top) that improve access speed and stability of sites hosted on … | 71 | 3105 | active |
| spiceai/spiceai Spice.ai OSS is a portable Rust runtime (~140 MB binary) that combines federated SQL querying, accelerated data materialization, full-text … | 96 | 3103 | active |
| Robusta Robusta is an open-source Prometheus alert enrichment engine for Kubernetes that adds smart grouping, alert enrichment with pod logs, advan… | 96 | 3101 | active |
| jobrunr/jobrunr JobRunr is a Java library for performing distributed background processing on the JVM using Java 8 lambdas, with jobs persisted in an exist… | 99 | 3099 | active |
| envoyproxy/gateway Envoy Gateway is an open-source control plane that manages Envoy Proxy as a standalone or Kubernetes-based application gateway, using Kuber… | 99 | 3091 | stable |
| Netflix/eureka Netflix Eureka is a RESTful service registry used primarily in AWS cloud environments for service discovery, mid-tier load balancing, and f… | 81 | 12745 | maintenance |
| ContainerSSH ContainerSSH is an SSH server written in Go that launches on-demand containers in Docker or Kubernetes for each connecting user. It support… | 77 | 3087 | active |
| kubernetes-sigs/kueue Kueue is a Kubernetes-native job queueing system providing APIs and controllers that decide when batch, HPC, and AI/ML workloads should be … | 95 | 3086 | active |
| Nutlope/self.so Self.so is an open-source web application that turns a resume or LinkedIn profile into a professional personal website in one click. It use… | 62 | 3085 | active |
| kubernetes-sigs/kro kro (Kube Resource Orchestrator) is a Kubernetes-native controller that lets you define custom APIs composed of groups of Kubernetes resour… | 88 | 3077 | active |
| XTDB XTDB is an open-source (MPL-2.0) immutable, bitemporal SQL database built on Apache Arrow and S3-compatible storage. It automatically retai… | 73 | 3077 | active |
| Azure Service Fabric Service Fabric is a distributed systems platform for packaging, deploying, and managing stateless and stateful microservices and containers… | 77 | 3070 | active |
| openRin/Rin Rin is an open-source, serverless blog platform built entirely on Cloudflare's developer platform (Workers, D1, R2, Pages), written in Type… | 66 | 3069 | active |
| heavyai/heavydb HeavyDB (formerly MapD/OmniSciDB) is an open-source SQL-based, relational, columnar database engine that uses CPUs and NVIDIA GPUs to query… | 88 | 3067 | active |
| 6Kmfi6HP/EDtunnel EDtunnel is a proxy tool deployed on Cloudflare Workers and Pages that supports VLESS and Trojan protocols with configurable proxy IPs, SOC… | 55 | 3059 | active |
| UKGovernmentBEIS/inspect_ai Inspect is an open-source Python framework from the UK AI Security Institute for running large language model evaluations, with composable … | 95 | 3054 | active |
| audreyt/ethercalc EtherCalc is a web-based spreadsheet server for real-time multi-user collaborative editing, a TypeScript rewrite of the original SocialCalc… | 92 | 3053 | active |
| swirlai/swirl-search SWIRL is an open-source federated AI search and RAG platform that queries enterprise apps and data sources live, re-ranks results with a hy… | 92 | 3046 | active |
| hydradatabase/columnar Hydra Columnar is a Postgres extension providing column-oriented table storage via the table access method API, enabling fast analytical qu… | 23 | 3043 | stable |
| x-dr/chatgptProxyAPI A self-deployable reverse proxy for the OpenAI API built on Cloudflare Workers and Cloudflare Pages, letting users replace api.openai.com w… | 10 | 3029 | active |
| kubernetes-sigs/gateway-api Kubernetes Gateway API is the official successor to Ingress, providing a role-oriented, expressive specification and CRDs for L4/L7 routing… | 95 | 3026 | stable |
| mirage/mirage MirageOS is a library operating system written in OCaml that compiles application code into fully standalone, specialized unikernels for se… | 89 | 3019 | active |
| deepnote/deepnote Deepnote is an open-source, AI-first drop-in replacement for Jupyter notebooks with a human-readable YAML format, block-based architecture … | 80 | 3017 | active |
| aws-actions/configure-aws-credentials A GitHub Action that configures AWS credential environment variables for use in subsequent workflow steps. It supports OIDC federation for … | 97 | 3013 | active |
| Cloud Native Buildpacks pack is the official command-line tool for Cloud Native Buildpacks, transforming application source code into runnable OCI container images… | 94 | 3013 | stable |
| thu-pacman/chitu Chitu (赤兔) is a high-performance inference framework for large language models, positioned as a production-grade LLM serving engine. It sup… | 82 | 3009 | active |
| mickasmt/next-saas-stripe-starter An open-source SaaS starter template built with Next.js 14, Prisma, Neon Postgres, Auth.js v5, Stripe, Resend, React Email, and Shadcn/ui. … | 82 | 3008 | active |
| SadServers/sadservers SadServers is a SaaS platform for practicing Linux and DevOps troubleshooting skills on real ephemeral Linux servers in a Capture-the-Flag … | 75 | 2993 | active |
| jsr-io/jsr JSR is the open-source package registry for modern JavaScript and TypeScript, serving as an npm-compatible alternative with native TypeScri… | 71 | 2982 | active |
| google/osv.dev OSV (Open Source Vulnerabilities) is Google's open, distributed vulnerability database and triage service that aggregates security advisori… | 90 | 2973 | stable |
| Dark-Xploit/CypherX Cypher X is a WhatsApp user-bot framework deployed via Docker or Heroku, using session ID pairing to run automated WhatsApp features. It is… | 87 | 2964 | active |
| jschneier/django-storages django-storages is a Python library providing a collection of storage backends for Django's file storage API, such as Amazon S3, Azure Blob… | 71 | 2962 | stable |
| Viren070/AIOStreams AIOStreams is a Stremio super-addon that consolidates multiple Stremio addons, debrid and usenet services into a single configurable addon.… | 85 | 2961 | active |
| Cloudpods Cloudpods is an open-source, Golang-based cloud-native unified multi/hybrid-cloud platform ('a cloud on clouds') that manages on-premise KV… | 77 | 2961 | active |
| firecracker-microvm/firecracker-containerd firecracker-containerd is a set of components that lets containerd manage containers running inside Firecracker microVMs, combining fast co… | 75 | 2961 | active |
| SONiC SONiC (Software for Open Networking in the Cloud) is a free, open-source network operating system based on Linux that runs on switches from… | 77 | 2942 | active |
| Miserlou/Zappa Zappa is a Python framework for deploying WSGI applications (Flask, Django, Pyramid, Bottle) to AWS Lambda and API Gateway, making them ser… | 23 | 11814 | maintenance |
| Snakemake Snakemake is a Python-based workflow management system for creating reproducible and scalable data analyses. Workflows are defined via a re… | 92 | 2880 | stable |
| frain-dev/convoy Convoy is an open-source, high-performance webhooks gateway for reliably ingesting, persisting, debugging, and delivering webhook events at… | 95 | 2877 | active |
| Vexa-ai/vexa Vexa is an open-source (Apache-2.0) meeting transcription API that dispatches bots to join Google Meet, Microsoft Teams, and Zoom calls and… | 85 | 2864 | active |
| elastic/cloud-on-k8s Elastic Cloud on Kubernetes (ECK) is a Kubernetes operator that automates deployment, provisioning, management, and orchestration of the El… | 92 | 2852 | active |
| peter-evans/create-pull-request A GitHub Action that automatically creates or updates a pull request for changes made to the repository during a workflow run. It commits w… | 87 | 2849 | active |
| nightscout/cgm-remote-monitor Nightscout is a self-hosted web application that displays continuous glucose monitor (CGM) data in real time for patients and their caregiv… | 96 | 2848 | active |
| microsoft/pg_durable pg_durable is a PostgreSQL extension that provides durable execution for long-running, fault-tolerant SQL functions directly inside the dat… | 83 | 2839 | active |
| numaproj/numaflow Numaflow is a Kubernetes-native, serverless platform for running massively parallel data and streaming processing jobs. It lets developers … | 97 | 2835 | active |