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 |
|---|---|---|---|
| twmb/franz-go franz-go is a feature-complete, pure Go Apache Kafka client library supporting Kafka 0.8.0 through 4.2+, including producing, consuming, tr… | 77 | 3113 | active |
| protomaps/PMTiles PMTiles is a single-file archive format for pyramids of map tiles that can be hosted on commodity static storage like S3 and accessed via H… | 75 | 3060 | active |
| omnara-ai/omnara Omnara is an open-source platform for running managed, durable AI agents, handling execution and state while you bring your own models, too… | 82 | 2984 | active |
| project-zot/zot zot is a production-ready, vendor-neutral container image and artifact registry built purely on the OCI image format and OCI Distribution S… | 92 | 2802 | active |
| Promptflow Prompt flow is a suite of Python SDK, CLI, and VS Code extension tools for the end-to-end development of LLM-based AI applications, linking… | 76 | 11254 | maintenance |
| KrakenD KrakenD Community Edition is an open-source, stateless, high-performance API Gateway written in Go that aggregates, transforms, secures, an… | 99 | 2691 | stable |
| segmentio/chamber Chamber is a Go CLI tool for managing application secrets by storing them in AWS SSM Parameter Store (with S3 backend support). It lets tea… | 71 | 2615 | active |
| Agent-Field/agentfield AgentField is an open-source AI backend that lets you build, deploy, and govern AI agents like APIs and scale them like microservices. It p… | 79 | 2605 | active |
| boxlite-ai/boxlite BoxLite is an embeddable micro-VM runtime written in Rust that runs any OCI image inside hardware-isolated virtual machines (KVM on Linux, … | 84 | 2583 | active |
| roboflow/inference Roboflow Inference is a Python library and self-hostable inference server for deploying computer vision models on any computer or edge devi… | 91 | 2474 | active |
| wasmCloud wasmCloud is a CNCF incubating cloud native platform for building, deploying, and orchestrating WebAssembly component workloads across clou… | 100 | 2460 | active |
| apache/sedona Apache Sedona is a cluster computing framework for processing large-scale geospatial data across Spark, Flink, and Snowflake. It provides S… | 88 | 2422 | active |
| Elementary Elementary OSS is an open-source CLI for dbt-native data observability that reads warehouse metadata, dbt artifacts, and test results to ge… | 99 | 2421 | active |
| dstack dstack is an open-source, vendor-agnostic control plane for GPU provisioning and orchestration that works across GPU clouds, Kubernetes, an… | 95 | 2277 | active |
| liferay/liferay-portal Liferay DXP (formerly Liferay Portal) is a Java-based digital experience platform combining a CMS, DAM, portals, commerce, search, personal… | 75 | 2266 | active |
| AmoyLab/Unla Unla is a lightweight, configuration-driven MCP gateway written in Go that converts existing MCP servers and REST APIs into MCP-compliant e… | 80 | 2236 | active |
| ToolHive ToolHive is an open-source platform for running, securing, and managing Model Context Protocol (MCP) servers. It wraps MCP servers in isola… | 81 | 2233 | active |
| digitalsamba/claude-code-video-toolkit An AI-native video production toolkit designed for Claude Code, providing skills, commands, templates, and Python tools so an AI agent can … | 83 | 2201 | active |
| warpstreamlabs/bento Bento is a high-performance, resilient stream processor written in Go that connects a wide range of sources and sinks (Kafka, Pub/Sub, Redi… | 89 | 2155 | active |
| photon-hq/spectrum-ts Spectrum (by Photon) is an open-source TypeScript framework for building AI agents that communicate over real messaging interfaces like iMe… | 80 | 2097 | active |
| TileDB TileDB is an embeddable C++ storage engine for dense and sparse multi-dimensional arrays, with cloud object storage support (S3, GCS, Azure… | 82 | 2084 | stable |
| featureform/featureform Featureform is a virtual feature store that sits atop your existing data infrastructure and orchestrates it to define, manage, and serve ML… | 32 | 1991 | active |
| DreamFactory DreamFactory is a self-hosted enterprise data access platform that instantly generates fully governed REST APIs from databases, file stores… | 97 | 1785 | active |
| Terraform Kubernetes Provider The official Terraform provider plugin for Kubernetes, maintained by HashiCorp, enabling full lifecycle management of Kubernetes resources … | 94 | 1722 | active |
| aklivity/zilla Zilla is a stateless, multi-protocol gateway for event-driven applications and AI agents, exposing Kafka and MQTT over HTTP, SSE, gRPC, MQT… | 100 | 1707 | active |
| Akkudoktor-EOS/EOS AkkudoktorEOS is a self-hosted Python application that simulates and optimizes home energy systems, generating optimized plans for photovol… | 77 | 1699 | active |
| wiremock/WireMock.Net WireMock.Net is a flexible .NET library for stubbing and mocking HTTP responses with advanced request matching and response templating, bas… | 93 | 1679 | active |
| kubeshop/testkube Testkube is an open testing platform that orchestrates, executes, and analyzes automated tests inside Kubernetes infrastructure using any c… | 95 | 1671 | active |
| Fn Project Fn is an open-source, event-driven Functions-as-a-Service (FaaS) platform written in Go that runs anywhere Docker runs, on any cloud or on-… | 66 | 5949 | maintenance |
| awslabs/aws-support-tools A curated collection of diagnostic and troubleshooting scripts and sample code for AWS services, maintained by AWS Premium Support. Tools a… | 92 | 1510 | active |
| Dremio Dremio is an open-source data lakehouse platform that lets users query and analyze data across data lakes, object storage, and databases wi… | 48 | 1498 | active |
| Jwuthri/Tracely-ai Tracely is a self-hosted, trace-native CI/CD and observability platform for AI agents. It ingests agent traces over OpenTelemetry, grades t… | 58 | 1490 | active |
| datazip-inc/olake OLake Go is a high-performance open-source EL (extract-load) engine written in Go that replicates databases (PostgreSQL, MySQL, MongoDB, Or… | 85 | 1474 | active |
| openclaw/crabbox Crabbox is a Go CLI and execution control plane that leases remote runners (cloud VMs, SSH hosts, containers, or sandbox providers), syncs … | 78 | 1473 | active |
| postgresml/korvus Korvus is an open-source search SDK that unifies the entire RAG pipeline—embedding generation, vector search, reranking, summarization, and… | 24 | 1470 | active |
| evo-hq/evo Evo is a plugin for agentic coding frameworks (Claude Code, Codex, Cursor, etc.) that turns a codebase into an autoresearch loop: it discov… | 77 | 1467 | active |
| tailcallhq/tailcall Tailcall is a high-performance GraphQL runtime written in Rust that lets you build GraphQL backends declaratively by annotating a GraphQL s… | 77 | 1443 | active |
| aserto-dev/topaz Topaz is an open-source, cloud-native authorization service that provides fine-grained, real-time, policy-based access control for applicat… | 98 | 1363 | active |
| Infinispan Infinispan is an open-source, distributed in-memory key/value data grid and NoSQL cloud data store written in Java. It supports embedded an… | 95 | 1356 | stable |
| MarimerLLC/csla CSLA .NET is a software development framework for building a reusable, maintainable object-oriented business logic layer in .NET applicatio… | 95 | 1346 | stable |
| StarlightSearch/EmbedAnything EmbedAnything is a high-performance, memory-safe embedding pipeline written in Rust (with Python bindings) that generates embeddings from t… | 86 | 1309 | active |
| davidhampgonsalves/Life-Dashboard A low-power personal dashboard that repurposes a jailbroken Kindle's e-ink screen to display daily information like weather, calendar, and … | 76 | 1304 | active |
| GoogleCloudPlatform/berglas Berglas is a command line tool and Go library for managing secrets on Google Cloud, encrypting them with Cloud KMS and storing them in Clou… | 91 | 1302 | active |
| SmythOS/sre SmythOS Runtime Environment (SRE) is an open-source, cloud-native runtime, SDK, and CLI for building and running production AI agents acros… | 49 | 1292 | active |
| unjs/unpdf unpdf is a TypeScript library providing PDF extraction and rendering utilities that work across all JavaScript runtimes, including Node.js,… | 88 | 1240 | active |
| owen2345/camaleon-cms Camaleon CMS is a dynamic and advanced content management system built on Ruby on Rails, designed as a flexible alternative to WordPress fo… | 92 | 1237 | active |
| TheThingsNetwork/lorawan-stack The Things Stack is an open source LoRaWAN network server written in Go, providing network, application, and join server components plus an… | 91 | 1163 | active |
| agentbay-ai/wuying-agentbay-sdk Multi-language SDK (Python, TypeScript, Go, Java) for Wuying AgentBay, Alibaba Cloud's cloud sandbox platform built for AI agents. It lets … | 70 | 1146 | active |
| overhangio/tutor Tutor is the official Docker-based distribution of Open edX, providing a CLI for one-click installation, configuration, customization, upgr… | 96 | 1126 | active |
| bigdatagenomics/adam ADAM is a genomics analysis platform built on Apache Spark that provides schemas and APIs for processing genomic data like reads, variants,… | 52 | 1061 | active |
| Arcade Arcade MCP is an open-source Python framework for building Model Context Protocol (MCP) servers and the tools that run inside them, with a … | 70 | 1049 | active |
| loic-sharma/BaGet BaGet is a lightweight, open-source NuGet server and symbol server written in C# on ASP.NET Core. It can be self-hosted cross-platform or i… | 23 | 2800 | maintenance |
| AppScale/gts AppScale GTS is an open-source serverless platform for building and running scalable web and mobile applications on any infrastructure. It … | 23 | 2421 | maintenance |
| ustayready/fireprox FireProx is a Python CLI tool that uses AWS API Gateway to create on-the-fly HTTP pass-through proxies that rotate the source IP address wi… | 32 | 2285 | maintenance |
| dotnet/spark .NET for Apache Spark provides high-performance C# and F# bindings for Apache Spark, exposing DataFrames, SparkSQL, and Structured Streamin… | 74 | 2095 | maintenance |
| fugue/credstash CredStash is a Python CLI utility for managing and distributing shared credentials in the cloud, encrypting secrets with AWS KMS key wrappi… | 23 | 2064 | maintenance |
| apache/drill Apache Drill is a distributed MPP (massively parallel processing) SQL query engine for self-describing data such as JSON, Parquet, and othe… | 67 | 2024 | maintenance |
| aws/amazon-ecs-cli The Amazon ECS CLI is a Go-based command-line tool for Amazon Elastic Container Service that lets users create, update, and monitor ECS/Far… | 10 | 1805 | maintenance |
| devopsgroup-io/vagrant-digitalocean A Vagrant provider plugin that manages DigitalOcean Droplets (virtual machines) directly from a Vagrantfile. It supports creating, destroyi… | 23 | 1708 | maintenance |
| sigstore/rekor Rekor is Sigstore's software supply chain transparency log, providing an immutable tamper-resistant ledger for signed build and provenance … | 91 | 1214 | maintenance |
| rigdev/rig Rig is a self-hosted, open-source service-lifecycle platform for Kubernetes that provides a developer-friendly deployment engine, dashboard… | 10 | 1064 | maintenance |
| shimmeris/SCFProxy SCFProxy is a CLI tool that deploys HTTP, SOCKS, and reverse proxies on cloud functions and API gateways across Alibaba Cloud, Tencent Clou… | 23 | 1047 | maintenance |
| TheCaduceus/WARP-UNLIMITED-ADVANCED A Python script that repeatedly calls Cloudflare's official WARP API to generate unlimited WARP+ data quota for a given WARP client ID. It … | 23 | 995 | maintenance |
| zerobootdev/zeroboot Zeroboot is an open-source sandboxing service that spawns sub-millisecond KVM virtual machines for AI agent code execution by forking Firec… | 44 | 2454 | experimental |
| Daytona Daytona is a secure, elastic infrastructure platform for running AI-generated code in isolated sandboxes with dedicated kernels, filesystem… | 10 | 71575 | abandoned |
| Bot Framework SDK Microsoft's Bot Framework SDK for building conversational bots in C#, JavaScript, and Python, with rich card and guided/free-form conversat… | 10 | 7800 | abandoned |
| Waypoint HashiCorp Waypoint is a Go-based tool that lets developers define their application build, deploy, and release lifecycle as code, with out-… | 10 | 4720 | abandoned |
| Wafer Wafer is Tencent Cloud's fullstack resource kit for rapidly building WeChat mini programs with elastic scaling. It provides session managem… | 32 | 2142 | abandoned |
| Scut Game Server Framework Scut is a free, open-source game server framework written in C# for building online games, with server-side scripting support for C#, Pytho… | 23 | 1340 | abandoned |
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