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 |
|---|---|---|---|
| n8n n8n is a fair‑code workflow automation platform that lets you build integrations and AI‑driven agents using a visual canvas or custom code.… | 93 | 206061 | active |
| tensorflow/tensorflow TensorFlow is an open‑source end‑to‑end platform for building and deploying machine‑learning models. It provides stable Python and C++ APIs… | 83 | 200740 | active |
| Firecrawl Firecrawl is an open‑source web data API that can search, scrape, and interact with web pages at scale. It returns clean markdown, JSON, sc… | 86 | 191248 | active |
| AutoGPT AutoGPT is an open-source platform for building, deploying, and running AI agents that execute complete workflows, via natural-language cha… | 94 | 187630 | active |
| Dify Dify is an open‑source platform for building production‑ready AI agents, RAG pipelines and agentic workflows with a visual no‑code studio. … | 92 | 158944 | active |
| Kubernetes Kubernetes is an open‑source system for automating deployment, scaling, and management of containerized applications across clusters of hos… | 94 | 128491 | active |
| Kubernetes Kubernetes (K8s) is an open-source container orchestration system for automating the deployment, scaling, and management of containerized a… | 94 | 128491 | stable |
| vLLM vLLM is a Python library that provides fast, high‑throughput inference and serving for large language models. It supports advanced features… | 98 | 94014 | active |
| vLLM vLLM is a high-throughput, memory-efficient inference and serving engine for large language models, featuring PagedAttention, continuous ba… | 98 | 94014 | active |
| RAGFlow RAGFlow is an open‑source Retrieval‑Augmented Generation engine that combines vector search, BM25 and custom scoring with integrated AI age… | 94 | 92343 | active |
| OpenHands OpenHands is an open‑source platform that provides a web‑based GUI, CLI and SDK for building, running and orchestrating AI coding agents. I… | 88 | 90527 | active |
| LobeHub LobeHub is a web‑based platform that lets you hire, schedule, and monitor a team of AI agents 24/7. It provides a unified workspace for bui… | 94 | 83367 | active |
| spring-projects/spring-boot Spring Boot is an opinionated framework for building stand-alone, production-grade Spring-based Java applications with minimal configuratio… | 96 | 81530 | stable |
| Netdata Netdata is a real‑time performance monitoring and troubleshooting tool that collects, visualizes, and alerts on metrics from servers, conta… | 99 | 80991 | active |
| Elasticsearch Elasticsearch is a free and open source, distributed, RESTful search and analytics engine built on Apache Lucene. It stores structured, uns… | 95 | 78300 | stable |
| Caddy Caddy is a fast, extensible HTTP/1‑2‑3 web server written in Go that provides automatic HTTPS by default. It can serve static sites, act as… | 94 | 77555 | active |
| Grafana Grafana is an open‑source, web‑based platform for visualizing, alerting on, and exploring metrics, logs, and traces from many data sources.… | 95 | 77341 | stable |
| Redis Redis is an open-source, in-memory data platform that provides fast key‑value storage, caching, and advanced data structures. It also inclu… | 92 | 76478 | active |
| hiyouga/LlamaFactory LlamaFactory is an open‑source Python platform that streamlines fine‑tuning, quantization, and inference of over 100 LLM and VLM models. It… | 81 | 75500 | active |
| X Recommendation Algorithm The open-source source code for X's (formerly Twitter) recommendation algorithm, a set of services and jobs that serve personalized feeds o… | 46 | 73957 | active |
| Strapi Strapi is an open-source, self‑hosted headless CMS built with Node.js and TypeScript. It lets developers define content models and instantl… | 93 | 73250 | active |
| usestrix/strix Strix is an open‑source AI‑powered penetration testing platform written in Python. It runs autonomous agents that discover, exploit, and va… | 85 | 67778 | active |
| prometheus/prometheus Prometheus is an open‑source systems monitoring and alerting toolkit that stores metrics as time‑series data. It provides a powerful query … | 96 | 66213 | active |
| Traefik Traefik is a modern, cloud‑native HTTP reverse proxy and load balancer written in Go. It automatically discovers services from orchestrator… | 92 | 65024 | active |
| upstash/context7 Context7 is a platform that provides up-to-date, version‑specific code documentation and examples directly to LLMs and AI code editors. It … | 81 | 62588 | active |
| LiteLLM LiteLLM is an open‑source Python library and self‑hosted gateway that provides a single OpenAI‑compatible interface to call 100+ LLM provid… | 93 | 61456 | active |
| Plane Plane is an open-source project management platform offering issue tracking, cycles/sprints, kanban boards, roadmaps, and an integrated wik… | 97 | 61193 | active |
| Meilisearch Meilisearch is an open‑source, lightning‑fast search engine API written in Rust. It provides out‑of‑the‑box full‑text, typo‑tolerant, and g… | 91 | 59352 | active |
| Meilisearch Meilisearch is a fast, open-source search engine that provides typo-tolerant full-text search, semantic and hybrid AI-powered search, and v… | 91 | 59352 | stable |
| go-gitea/gitea Gitea is a painless, self‑hosted all‑in‑one software development service that provides Git hosting, code review, issue tracking, package re… | 99 | 58506 | active |
| ultralytics/yolov5 Ultralytics YOLOv5 is a PyTorch‑based library for real‑time object detection, instance segmentation, and image classification. It provides … | 66 | 58103 | active |
| Appwrite Appwrite is an open‑source backend‑as‑a‑service platform that provides authentication, databases, storage, functions, messaging, realtime a… | 98 | 57584 | active |
| ayghri/i-have-adhd i-have-adhd is a Claude skill/plugin that formats coding assistant responses into concise, action‑oriented steps. It suppresses tangents an… | 59 | 55195 | active |
| Odoo Odoo is an open‑source suite of web‑based business applications that can be used individually or together as a full ERP system. It provides… | 77 | 55115 | active |
| microsoft/VibeVoice VibeVoice is an open‑source framework for high‑quality text‑to‑speech and speech‑to‑text generation. It combines autoregressive and diffusi… | 60 | 54432 | active |
| etcd etcd is a distributed, strongly consistent key‑value store that uses the Raft consensus algorithm. It provides a reliable API (gRPC/HTTP) f… | 98 | 52353 | stable |
| ClickHouse ClickHouse is an open-source column‑oriented OLAP database management system designed for real‑time analytics on massive datasets. It provi… | 96 | 50464 | active |
| metabase/metabase Metabase is an open‑source business intelligence platform that lets users explore data, build visual dashboards and run queries without dee… | 95 | 49624 | active |
| Apache Airflow Apache Airflow is an open‑source platform for programmatically authoring, scheduling, and monitoring complex workflows. It provides a web U… | 98 | 47148 | active |
| Serverless Framework The Serverless Framework is a CLI tool and framework that deploys code and cloud infrastructure together using simple YAML syntax, primaril… | 93 | 46916 | active |
| Milvus Milvus is a high‑performance, cloud‑native vector database designed for scalable approximate nearest neighbor (ANN) search. It provides har… | 94 | 46356 | active |
| LibreChat LibreChat is an open-source, self-hosted web application providing a unified ChatGPT-style interface for multiple AI providers (OpenAI, Ant… | 85 | 46021 | active |
| Hyperswitch Hyperswitch is an open‑source, composable payments infrastructure written in Rust. It provides modular services for payment orchestration, … | 95 | 45357 | active |
| Hyperswitch Hyperswitch is an open-source, composable payments orchestration platform written in Rust by Juspay, connecting to 300+ payment processors,… | 95 | 45357 | active |
| Payload Payload is an open-source, MIT-licensed fullstack Next.js framework and headless CMS written in TypeScript. A single config instantly gener… | 93 | 44931 | stable |
| Kong Gateway Kong Gateway is an open‑source, cloud‑native API and AI gateway that provides high‑performance request routing, load balancing, authenticat… | 91 | 44279 | active |
| ray-project/ray Ray is a unified open-source framework for scaling AI and Python applications, consisting of a core distributed runtime (tasks, actors, obj… | 99 | 44057 | stable |
| chatanywhere/GPT_API_free GPT_API_free is a hosted API service that provides free access to multiple large language models such as GPT, DeepSeek, Claude, Gemini, and… | 72 | 43890 | active |
| Agno Agno is a Python‑based SDK and runtime for building, deploying, and managing AI agent platforms. It provides a full stack—from agent defini… | 95 | 42675 | active |
| Apache Dubbo Apache Dubbo is a Java‑based RPC and microservice framework that provides service discovery, traffic governance, observability, and securit… | 86 | 41580 | active |
| Apache Dubbo Apache Dubbo is a high-performance RPC and microservice framework for Java (with multi-language SDKs) that provides service discovery, traf… | 86 | 41580 | stable |
| Appsmith Appsmith is an open‑source low‑code platform for building admin panels, internal tools, and dashboards. It provides a drag‑and‑drop UI buil… | 95 | 41048 | active |
| Appsmith Appsmith is an open-source low-code platform for building admin panels, internal tools, and dashboards with drag-and-drop widgets, JavaScri… | 95 | 41048 | active |
| ToolJet/ToolJet ToolJet is an open-source low-code platform for building internal tools, dashboards, and business applications with a visual drag‑and‑drop … | 93 | 41018 | active |
| TiDB TiDB is an open‑source, cloud‑native distributed SQL database with strong ACID guarantees. It supports hybrid transactional/analytical proc… | 96 | 40589 | active |
| PostHog PostHog is an open‑source platform for product analytics, feature flags, session replay, error tracking and experimentation. It can be self… | 96 | 40328 | active |
| Novu Novu is an open-source communication infrastructure that provides unified APIs for notifications and AI agent conversations across many cha… | 92 | 40038 | active |
| THU-MAIC/OpenMAIC OpenMAIC is an open-source web application that provides an immersive multi‑agent learning environment. It lets users launch and interact w… | 81 | 39947 | active |
| mindsdb/mindshub MindsHub is an open‑source agent workspace that lets users run AI agents for research, analysis, content creation, and software development… | 84 | 39759 | active |
| yudao (ruoyi-vue-pro) Yudao Ruoyi Vue Pro is a full‑stack, open‑source admin platform built with Spring Boot, MyBatis Plus and Vue. It provides a rich set of ent… | 98 | 39530 | active |
| Mattermost Mattermost is an open‑source, self‑hosted collaboration platform that provides secure messaging, file sharing, voice/video calls and workfl… | 93 | 39174 | active |
| anthropics/financial-services A collection of reference AI agents, skills, and data connectors for financial-services workflows like investment banking, equity research,… | 59 | 38868 | active |
| Istio Service Mesh Istio is an open-source service mesh that provides a uniform way to connect, secure, control, and observe microservices. It runs as a contr… | 95 | 38442 | active |
| VectifyAI/PageIndex PageIndex is a Python SDK that provides a vectorless, reasoning‑based retrieval engine for long documents. It builds a hierarchical tree in… | 86 | 38442 | active |
| Chatwoot Chatwoot is an open‑source, self‑hosted customer support platform that provides live chat, email, and social media inboxes in a single inte… | 98 | 37909 | active |
| Keycloak Keycloak is an open source identity and access management server that provides authentication, authorization, and user federation for moder… | 100 | 37423 | active |
| Firecracker Firecracker is an open‑source virtual machine monitor that runs lightweight microVMs using KVM. It provides VM‑level isolation with contain… | 97 | 37354 | active |
| Postiz Postiz is an open-source, self-hostable social media scheduling tool that lets users plan, generate, and publish posts to 30+ platforms fro… | 92 | 37199 | active |
| Medusa Medusa is an open‑source, TypeScript‑based commerce platform that provides a flexible API and admin framework for building custom e‑commerc… | 92 | 36397 | active |
| Vault Vault is a HashiCorp service for secure secret storage, dynamic secret generation, and privileged access management. It provides a unified … | 100 | 36390 | active |
| Langfuse Langfuse is an open‑source platform for tracing, evaluating, and monitoring LLM applications. It provides unified observability, prompt man… | 94 | 36043 | active |
| Langfuse Langfuse is an open-source AI engineering platform for LLM observability, tracing, evaluation, prompt management, and metrics, deployable a… | 94 | 36043 | active |
| RustFS RustFS is a high‑performance, distributed object storage system written in Rust. It provides S3‑compatible APIs and can interoperate with M… | 95 | 35079 | active |
| Qdrant Qdrant is a high‑performance, open‑source vector similarity search engine and database written in Rust. It provides a production‑ready API … | 96 | 34906 | active |
| Apache Kafka Apache Kafka is an open-source distributed event streaming platform that provides durable, high‑throughput messaging. It enables real‑time … | 76 | 33918 | active |
| Apache Kafka Apache Kafka is an open-source distributed event streaming platform for building high-performance data pipelines, streaming analytics, and … | 76 | 33918 | stable |
| github/github-mcp-server GitHub's official Model Context Protocol (MCP) server that connects AI tools like Claude, Cursor, and VS Code directly to GitHub's platform… | 83 | 33620 | active |
| Anoma Anoma is a reference implementation of the Anoma protocol, a distributed operating system for blockchain interoperability. It provides a no… | 78 | 33575 | active |
| alibaba/nacos Nacos is an open‑source platform that provides dynamic service discovery, health checking, and centralized configuration management for clo… | 93 | 33436 | active |
| go-zero go-zero is a cloud-native Go web and RPC microservices framework with built-in engineering practices like circuit breaking, rate limiting, … | 95 | 33372 | stable |
| cursor/cursor Cursor is an AI‑powered coding assistant that can understand, plan, write, and debug code across multiple languages. It provides a desktop … | 64 | 33264 | active |
| SurrealDB SurrealDB is a scalable, distributed, multi‑model database that combines document, graph, relational and vector storage in a single ACID en… | 93 | 33087 | active |
| SurrealDB SurrealDB is a multi-model database written in Rust that combines document, graph, vector, and relational data models in a single ACID engi… | 93 | 33087 | stable |
| onyx-dot-app/onyx Onyx is an open‑source AI platform that provides a chat interface powered by large language models and a context layer that indexes knowled… | 93 | 32566 | active |
| CockroachDB CockroachDB is a cloud‑native distributed SQL database that offers strong consistency, ACID transactions, and horizontal scalability. It is… | 76 | 32555 | active |
| CockroachDB CockroachDB is a cloud-native distributed SQL database built on a transactional, strongly-consistent key-value store, written in Go. It sca… | 76 | 32555 | stable |
| Hono Hono is a small, ultrafast web framework built on Web Standards APIs with zero dependencies. It runs on any JavaScript runtime including Cl… | 95 | 32549 | stable |
| SigNoz Observability Platform SigNoz is an open-source observability platform that aggregates logs, metrics, and traces in a single UI. It provides APM, distributed trac… | 95 | 32332 | active |
| SigNoz Observability Platform SigNoz is an open-source, OpenTelemetry-native observability platform that unifies logs, metrics, traces, alerts, and dashboards in a singl… | 95 | 32332 | active |
| Dokku Dokku is a Docker-powered, open source Platform as a Service (PaaS) that runs on a single server, letting you deploy apps via git push usin… | 94 | 32178 | stable |
| Hasura GraphQL Engine Hasura GraphQL Engine is an open-source engine that auto-generates instant, realtime GraphQL APIs (and REST endpoints) over existing databa… | 98 | 32132 | active |
| Dragonfly Dragonfly is a modern, multi‑threaded in‑memory data store that implements the Redis and Memcached APIs. It provides a drop‑in replacement … | 99 | 31779 | active |
| Dragonfly Dragonfly is a modern in-memory data store that is fully API-compatible with Redis and Memcached, built on a multi-threaded, shared-nothing… | 99 | 31779 | active |
| influxdata/influxdb InfluxDB 3 Core is an open‑source time‑series database built for real‑time ingest and fast query response. It stores data in Apache Parquet… | 100 | 31765 | active |
| ScrapeGraphAI ScrapeGraphAI is a Python library that leverages large language models to automate web scraping and data extraction. It provides a high‑lev… | 87 | 31358 | active |
| Tencent/WeKnora WeKnora is an open‑source LLM‑powered knowledge platform that transforms raw documents into a queryable RAG system and autonomous reasoning… | 84 | 31280 | active |
| Supermemory Supermemory is a fast, scalable memory and context engine for AI agents, offered as a hosted API with self‑hosted options. It provides auto… | 89 | 31077 | active |
| Algo VPN Algo is a collection of Ansible scripts that automate the deployment of a personal VPN server in the cloud. It supports modern protocols li… | 73 | 30406 | active |
| Algo VPN Algo VPN is a set of Ansible scripts that automates deploying a personal WireGuard and IPsec (IKEv2) VPN server on common cloud providers. … | 73 | 30406 | active |
| trycua/cua Cua is an open‑source framework that provides drivers, sandbox environments, and fleet management for AI agents to interact with real deskt… | 85 | 30149 | active |
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