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 |
|---|---|---|---|
| theopenco/llmgateway LLM Gateway is an open-source API gateway for large language models that sits between applications and 40+ LLM providers (OpenAI, Anthropic… | 87 | 1683 | active |
| ncipollo/release-action A GitHub Actions action that creates GitHub releases and optionally uploads build artifacts to them. It supports updating existing releases… | 88 | 1681 | active |
| Apinto Apinto is a high-performance, cloud-native API gateway written in Go with a modular, pluggable architecture. It handles dynamic routing, lo… | 85 | 1680 | active |
| Ge0rg3/requests-ip-rotator A Python library that mounts AWS API Gateway as a proxy onto requests sessions, rotating source IPs on every request using AWS's large IP p… | 84 | 1680 | active |
| looplab/eventhorizon Event Horizon is a CQRS and Event Sourcing toolkit for Go, providing command handling, event stores, event buses, and read model support. I… | 79 | 1680 | active |
| dragonflyoss/nydus Nydus is a Rust-based content-addressable filesystem framework implementing the RAFS format to accelerate container image and data distribu… | 95 | 1674 | stable |
| Radius Radius is an open-source, cloud-native application platform that lets developers model an entire application—its services and the infrastru… | 99 | 1668 | active |
| spotahome/redis-operator A Kubernetes operator written in Go that creates, configures, and manages highly available Redis deployments with Sentinel-based automatic … | 10 | 1667 | active |
| FrigadeHQ/trench Trench is an open-source event tracking and analytics infrastructure built on Apache Kafka and ClickHouse, shipped as a single production-r… | 55 | 1663 | active |
| aws/aws-lambda-dotnet A collection of NuGet libraries, CLI tools, and project templates from AWS for building AWS Lambda functions with .NET. It includes event t… | 95 | 1661 | active |
| collinbarrett/FilterLists FilterLists is an independent, comprehensive web directory and REST API cataloging filter and host lists for blocking advertisements, track… | 76 | 1657 | active |
| googlecolab/google-colab-cli A Python-based command-line interface for Google Colab that lets users provision CPU, GPU, and TPU runtimes, execute local scripts and note… | 60 | 1656 | active |
| OpenFunction/OpenFunction OpenFunction is a cloud-native, open-source Function-as-a-Service (FaaS) platform built on Kubernetes that lets developers deploy business … | 23 | 1654 | active |
| akudamatata/Solara Solara is a minimalist web-based music player that aggregates multiple free music APIs for search, streaming playback, and audio downloads.… | 60 | 1652 | active |
| Sparticuz/chromium A TypeScript library that packages a serverless-optimized Chromium binary (Brotli-compressed) with decompression code and predefined launch… | 96 | 1651 | active |
| openshiporg/openship Openship is an open-source order router that connects e-commerce sales channels (Shopify, WooCommerce, eBay, Amazon) to fulfillment partner… | 68 | 1650 | active |
| Higgsfield Higgsfield is an open-source GPU orchestration and machine learning framework for fault-tolerant, distributed training of very large models… | 67 | 6047 | maintenance |
| OpenDota OpenDota is an open-source Dota 2 data platform that provides a REST API and web UI for match and player statistics. It ingests data from V… | 76 | 1632 | active |
| tvillarete/ipod-classic-js A web-based iPod Classic simulator that streams music from Spotify and Apple Music, featuring a pixel-perfect click wheel interface, games,… | 75 | 1628 | active |
| agola-io/agola Agola is a self-hosted, distributed CI/CD platform written in Go that executes containerized, reproducible build and deployment workflows t… | 50 | 1627 | active |
| eooce/Gla-deploy A JavaScript-based tool for deploying proxy server configurations to free cloud/PaaS platforms, enabling personal censorship circumvention.… | 39 | 1625 | active |
| Tonbo Tonbo is an embedded database library written in Rust for serverless and edge runtimes, storing data as Parquet files on S3 with coordinati… | 60 | 1624 | active |
| TraceMachina/nativelink NativeLink is a high-performance remote build cache and remote execution server written in Rust, speaking the open Remote Execution API. It… | 100 | 1621 | active |
| idinging/freemail Freemail is an open-source temporary/disposable email service built on Cloudflare Workers, D1, and R2, with a separated frontend and backen… | 74 | 1619 | active |
| Permify/permify Permify is an open-source authorization-as-a-service inspired by Google Zanzibar, providing a permission database and policy decision point… | 96 | 5956 | maintenance |
| Keygen Licensing API Keygen is a fair source software licensing and distribution API that lets developers add license key validation, entitlements, device activ… | 85 | 1611 | active |
| haibbo/cf-openai-azure-proxy A Cloudflare Worker script that proxies OpenAI-compatible API requests to Azure OpenAI Service, letting standard OpenAI clients use Azure d… | 21 | 1604 | active |
| apache/gluten Apache Gluten is a middle-layer plugin that offloads JVM-based SQL engine execution (primarily Spark SQL) to high-performance native engine… | 88 | 1603 | active |
| data.gouv.fr MCP The official Model Context Protocol (MCP) server for data.gouv.fr, the French national open data platform. It lets AI chatbots like Claude,… | 79 | 1602 | active |
| google/uncertainty-baselines A library of high-quality, minimal-dependency implementations of standard and state-of-the-art uncertainty and robustness methods for deep … | 77 | 1601 | active |
| alibaba/Pai-Megatron-Patch Pai-Megatron-Patch is an open-source deep learning training toolkit from Alibaba Cloud for large-scale training and inference of LLMs and V… | 50 | 1599 | active |
| hashicorp/setup-terraform A GitHub Actions JavaScript action that installs a specified version of the Terraform CLI onto the workflow runner and adds it to PATH. It … | 87 | 1594 | active |
| x-dr/telegraph-Image A free, unlimited image hosting (image bed) application deployed on Cloudflare Pages and Workers, with optional Telegram bot storage. It in… | 37 | 1583 | active |
| ZhiXuanWang/cf-speed-dns A Python tool that dynamically discovers the fastest Cloudflare CDN IPs by running CloudflareSpeedTest on a schedule (every 5 minutes via G… | 72 | 1582 | active |
| steedos/steedos-platform Steedos Platform is an open-source, metadata-driven low-code platform for building enterprise applications (CRMs, ERPs, approval workflows)… | 85 | 1581 | active |
| appleboy/scp-action A GitHub Action that copies files and build artifacts to remote servers over SSH using SCP. It supports key and password authentication, ju… | 62 | 1581 | active |
| peaceiris/actions-hugo A GitHub Action (written in TypeScript) that installs Hugo, including the extended version and Hugo Modules support, onto GitHub Actions ru… | 89 | 1579 | active |
| calibreapp/image-actions A GitHub Action that automatically compresses JPEG, PNG, WebP, and AVIF images added or changed in Pull Requests, committing optimized vers… | 91 | 1575 | active |
| labnol/unsubscribe-gmail Gmail Unsubscriber is an open-source Google Apps Script that automatically unsubscribes your email address from unwanted newsletters and bu… | 35 | 1569 | active |
| Badgen Badgen is a fast badge generating service that produces SVG badges for READMEs and websites, hosted at badgen.net. It is built on the badge… | 66 | 1568 | active |
| kubernetes-sigs/secrets-store-csi-driver A Kubernetes CSI driver that mounts secrets, keys, and certificates from external secrets stores (Vault, Azure Key Vault, AWS Secrets Manag… | 94 | 1565 | stable |
| oxylabs/browser-agent-py A Python SDK for Oxylabs AI Studio's Browser Agent, a cloud service that automates real-user browsing tasks (clicking, typing, scrolling, s… | 10 | 1565 | active |
| agentic-commerce-protocol/agentic-commerce-protocol The Agentic Commerce Protocol (ACP) is an open specification, maintained by OpenAI and Stripe, defining how AI agents, buyers, and business… | 56 | 1562 | active |
| Kyma Kyma is an opinionated set of Kubernetes-based modular building blocks for developing and running enterprise-grade cloud-native application… | 66 | 1561 | active |
| mosaicml/streaming StreamingDataset is a Python library from MosaicML for fast, accurate streaming of training data from cloud object storage (S3, GCS, Azure,… | 66 | 1560 | active |
| openshift/installer The official installer CLI for provisioning OpenShift 4.x Kubernetes clusters across many platforms including AWS, Azure, GCP, bare metal, … | 68 | 1559 | active |
| Prismer-AI/PrismerCloud Prismer Cloud is a hosted/self-hostable knowledge infrastructure platform for AI agents, providing context fetching and compression, docume… | 68 | 1558 | active |
| NuGet NuGet Gallery is the open-source ASP.NET web application that powers nuget.org, the central package repository for the .NET ecosystem. It i… | 66 | 1555 | active |
| Legend Legend is an end-to-end data platform from FINOS (originated at Goldman Sachs) covering the full data lifecycle: modeling, curation, queryi… | 77 | 1553 | active |
| ymyuuu/Cloudflare-Workers-Proxy A Cloudflare Workers script that acts as a simple reverse proxy, forwarding client requests to a target URL and returning the response. It … | 46 | 1551 | active |
| 1095071913/maozi-cloud maozi-cloud is an open-source scaffold built on Spring Cloud Alibaba and Dubbo that packages a full suite of distributed application compon… | 90 | 1546 | active |
| occlum/occlum Occlum is a memory-safe, multi-process library OS (LibOS) written in Rust for Intel SGX enclaves. It lets legacy applications run inside se… | 48 | 1534 | active |
| ComfyDeploy An open-source, Vercel-like deployment platform for ComfyUI workflows, letting teams share workflows, manage machines (on-premise or server… | 37 | 1532 | active |
| ibelick/zola Zola is an open-source, self-hostable chat interface for interacting with multiple AI models including OpenAI, Claude, Gemini, Mistral, and… | 42 | 1531 | active |
| akto-api-security/akto Akto is an open-source API and AI security platform that discovers and inventories APIs, AI agents, MCP servers, and LLM usage, then contin… | 94 | 1527 | active |
| Azure/data-api-builder Data API builder (DAB) is an open-source, no-code engine that auto-generates secure REST and GraphQL endpoints (plus MCP tools) from your d… | 93 | 1523 | active |
| golemcloud/golem Golem is an open-source durable agent runtime and serverless platform for running WebAssembly components in a distributed cloud environment… | 91 | 1522 | active |
| kodustech/kodus-ai Kodus (Kody) is an open-source AI code review agent that reviews pull requests on GitHub, GitLab, Bitbucket, and Azure Repos. It is model-a… | 84 | 1514 | active |
| Azure IoT Edge Azure IoT Edge is Microsoft's open-source edge runtime that moves cloud analytics and business logic to IoT devices by deploying containeri… | 93 | 1508 | active |
| pluralsh/plural Plural is an enterprise Kubernetes management platform that provides fleet-scale GitOps deployments, infrastructure-as-code management, and… | 93 | 1506 | active |
| project-oak/oak Oak is a Rust-based platform for building distributed systems whose components can produce externally verifiable claims about their behavio… | 75 | 1504 | active |
| eloqdata/eloqkv EloqKV is a high-performance distributed key-value database with a Redis/ValKey-compatible API, built in C++ on a transactional data substr… | 85 | 1503 | active |
| Vincentqyw/cv-arxiv-daily An automated daily digest of computer vision and robotics arXiv papers (SLAM, SFM, visual localization, keypoint detection, image matching,… | 76 | 1500 | active |
| locationtech/geomesa GeoMesa is an open-source suite of JVM-based tools for large-scale geospatial querying and analytics on distributed computing systems. It p… | 76 | 1499 | active |
| hook0/hook0 Hook0 is an open-source (SSPL-1.0) webhooks-as-a-service platform written in Rust that lets SaaS developers deliver events to their users' … | 98 | 1495 | active |
| fynnfluegge/rocketnotes Rocketnotes is a web-based Markdown note-taking app with integrated AI features such as chat with your documents, text completion, voice-to… | 66 | 1495 | active |
| vybenetwork/solana-mcp-vybe A public remote MCP (Model Context Protocol) server by Vybe that exposes the Vybe Solana Data API to AI clients like Claude, Cursor, Windsu… | 58 | 1495 | active |
| docker/login-action A GitHub Action that authenticates Docker and OCI clients against container registries within CI workflows. It supports Docker Hub, GitHub … | 90 | 1494 | stable |
| cossacklabs/acra Acra is a database security suite that provides field-level encryption, searchable encryption, tokenization, data masking, SQL firewalling,… | 54 | 1493 | active |
| ducktors/turborepo-remote-cache An open-source, self-hosted implementation of the Turborepo custom remote cache server, built with Fastify and TypeScript. It lets teams sh… | 98 | 1488 | active |
| apache/hop Apache Hop is an open-source data and metadata orchestration platform for visually designing and running data integration pipelines and wor… | 91 | 1488 | active |
| oiov/vmail Vmail is a self-hosted temporary/disposable email service built entirely on Cloudflare Workers and D1, deployable with just a domain. It su… | 73 | 1487 | active |
| securitybunker/databunker Databunker is a self-hosted, Go-based secure vault for tokenizing and storing personal records such as PII, PHI, KYC, and PCI data. It expo… | 71 | 1487 | active |
| cloudfoundry/servicebroker The Open Service Broker API project defines a specification for a standard set of REST API endpoints that platforms like Cloud Foundry and … | 63 | 1486 | stable |
| litespeedtech/openlitespeed OpenLiteSpeed is a high-performance, lightweight, open source HTTP web server developed by LiteSpeed Technologies under GPLv3. It uses an e… | 90 | 1483 | active |
| faast.js Faast.js is a TypeScript/JavaScript library that transforms ordinary modules into serverless cloud functions on AWS Lambda, handling packag… | 68 | 1482 | active |
| apache/mesos Apache Mesos is a cluster manager that provides efficient resource isolation and sharing across distributed applications and frameworks. It… | 66 | 5365 | maintenance |
| pg-sharding/spqr SPQR (Stateless Postgres Query Router) is a production-ready proxy that horizontally scales PostgreSQL via sharding by routing queries to t… | 91 | 1477 | active |
| MiroShark/MiroShark MiroShark is a universal swarm-intelligence engine that turns any document or scenario into a simulated world: it builds a Neo4j knowledge … | 60 | 1476 | active |
| microlinkhq/unavatar unavatar.io is a unified avatar API that retrieves user profile images from a single URL by username, email, or domain across 72 platforms … | 96 | 1473 | active |
| OT-CONTAINER-KIT/redis-operator A Golang-based Kubernetes operator that provisions and manages Redis standalone, cluster, replication, and sentinel deployments via custom … | 90 | 1472 | active |
| aws-solutions/dynamic-image-transformation-for-amazon-cloudfront An official AWS Solutions implementation that deploys a serverless architecture for real-time image transformation, optimization, and deliv… | 97 | 1471 | stable |
| openstack/neutron Neutron is OpenStack's Networking service, providing 'network connectivity as a service' for interface devices (vNICs) managed by other Ope… | 77 | 1471 | active |
| vercel-community/php vercel-php is a community-maintained PHP runtime for Vercel serverless functions, supporting PHP 7.4 through 8.5. It lets developers deploy… | 65 | 1471 | active |
| jeremydaly/lambda-api Lambda API is a lightweight Express.js-style web framework for Node.js designed specifically for AWS Lambda with API Gateway proxy integrat… | 92 | 1470 | active |
| nixopus/nixopus Nixopus is an open-source deployment platform with an autonomous AI agent that deploys, monitors, and heals applications. It can be self-ho… | 80 | 1467 | active |
| OWASP/wrongsecrets OWASP WrongSecrets is a deliberately vulnerable Java application containing 50+ challenges that demonstrate how secrets are commonly miscon… | 97 | 1466 | active |
| GoogleCloudPlatform/bank-of-anthos Bank of Anthos is a sample HTTP-based web application that simulates a retail bank's payment processing network, letting users create accou… | 89 | 1463 | active |
| guardian/grid Grid is the Guardian's open-source image management system (digital asset management) built as a set of Scala/Play microservices with an An… | 77 | 1461 | active |
| qpoint-io/qtap Qtap is an eBPF agent that hooks TLS/SSL functions in the Linux kernel to capture network traffic before and after encryption, with full pr… | 63 | 1460 | active |
| tensorflow/tpu A collection of reference models and tools for training machine learning models on Google Cloud TPUs, maintained as a public mirror by the … | 68 | 5278 | maintenance |
| OpenClarity OpenClarity is an open-source platform for agentless detection and management of Virtual Machine SBOMs and security threats such as vulnera… | 10 | 1459 | active |
| inkeep/agents Inkeep Agents is an open-source platform for building AI chat assistants and multi-agent workflows using either a no-code drag-and-drop Vis… | 72 | 1458 | active |
| superloglabs/superlog Superlog is an open-source agentic observability platform that ingests OpenTelemetry traces, logs, and metrics, groups noisy error signals … | 57 | 1457 | active |
| ossf/allstar Allstar is a GitHub App from OpenSSF that continuously monitors GitHub organizations and repositories for adherence to security best practi… | 84 | 1454 | active |
| wordware-ai/twitter A Next.js web application that generates AI-powered personality profiles and compatibility analyses from Twitter/X handles using an LLM age… | 64 | 1450 | active |
| byJoey/Actions-bbr-v3 A Shell-based interactive management script that installs and maintains custom Linux kernel packages with fixed BBRv3 congestion-control pa… | 84 | 1444 | active |
| pockethost/pockethost PocketHost is an open-source, multi-tenant hosting platform for PocketBase that can run hundreds or thousands of isolated PocketBase instan… | 77 | 1444 | active |
| Nutlope/pdftochat PDFToChat is an open-source Next.js web application that lets users upload PDFs and chat with them using AI. It uses Together AI's Mixtral … | 65 | 1443 | active |
| google/oss-fuzz-gen A Google framework that uses large language models to automatically generate fuzz targets for real-world C/C++, Java, and Python projects, … | 55 | 1443 | active |