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 |
|---|---|---|---|
| alpa-projects/alpa Alpa is a Python system for training and serving large-scale neural networks by automatically parallelizing single-device code across distr… | 10 | 3176 | abandoned |
| projectkudu/kudu Kudu is the deployment engine behind git deployments, WebJobs, and related features in Azure App Service, and can also run outside Azure. T… | 10 | 3147 | abandoned |
| buzzfeed/sso sso (S.S. Octopus) is a single sign-on solution built at BuzzFeed for securing internal services behind OAuth-based authentication. It acts… | 10 | 3122 | abandoned |
| livid/v2ex-gae Project Babel 2 is the legacy Python codebase that powered the V2EX community, a forum application for creating and supporting online discu… | 10 | 3082 | abandoned |
| ExpressGateway/express-gateway Express Gateway is a microservices API gateway built on Node.js and Express.js that secures, proxies, and manages APIs using Express middle… | 23 | 3030 | abandoned |
| WeRead2Notion A Python tool that syncs WeChat Reading (WeRead) highlights and notes into a Notion database, typically run on a daily schedule via GitHub … | 66 | 2931 | abandoned |
| apache/horaedb Apache HoraeDB (incubating) was a high-performance, distributed, cloud-native time-series database written in Rust, supporting workloads li… | 10 | 2825 | abandoned |
| microsoft/onefuzz OneFuzz is a self-hosted Fuzzing-As-A-Service platform that lets developers launch continuous fuzzing jobs from a few VMs to thousands of c… | 10 | 2822 | abandoned |
| Netflix/bless BLESS is an SSH Certificate Authority that runs as an AWS Lambda function and signs short-lived SSH certificates for user authentication. I… | 23 | 2758 | abandoned |
| intel/BigDL BigDL is Intel's distributed deep learning library that scales TensorFlow, Keras, and PyTorch workloads on Apache Spark, Flink, and Ray, wi… | 10 | 2699 | abandoned |
| spring-attic/spring-native Spring Native was a Spring Boot add-on providing ahead-of-time compilation of Spring applications into GraalVM native images for faster sta… | 10 | 2697 | abandoned |
| kubernetes-retired/external-storage A retired Kubernetes incubator project containing community-maintained out-of-tree dynamic PersistentVolume provisioners and a helper libra… | 10 | 2688 | abandoned |
| Exposure Notifications Server Google's open-source reference implementation of the COVID-19 Exposure Notifications key server, written in Go. It accepts, validates, stor… | 10 | 2585 | abandoned |
| external-secrets/kubernetes-external-secrets A Kubernetes controller that syncs secrets from external secret management systems like AWS Secrets Manager and HashiCorp Vault into native… | 10 | 2579 | abandoned |
| FeatureBaseDB/featurebase FeatureBase (formerly Pilosa) is a distributed analytical database built entirely on bitmap indexes, offering low-latency SQL queries over … | 10 | 2523 | abandoned |
| kubernetes-retired/contrib A retired collection of miscellaneous Kubernetes ecosystem components that were not part of the Kubernetes core, written in Go. The reposit… | 10 | 2439 | abandoned |
| Brigade Brigade is an event-driven scripting platform for Kubernetes that lets teams run scriptable automated tasks in JavaScript or TypeScript, tr… | 23 | 2419 | abandoned |
| Azure-Samples/graphrag-accelerator A one-click Azure deployment accelerator that hosts the GraphRAG knowledge-graph-powered RAG system as a scalable API service. It builds on… | 10 | 2406 | abandoned |
| aws-samples/aws-serverless-airline-booking A sample serverless web application demonstrating flight search, booking, payment, and loyalty points on AWS, built with Lambda, AppSync Gr… | 23 | 2338 | abandoned |
| deforum/deforum-stable-diffusion Deforum Stable Diffusion is an open-source IPython notebook implementation for generating AI animations (2D/3D interpolation) with Stable D… | 32 | 2284 | abandoned |
| docker-archive/deploykit InfraKit is a Go-based toolkit for declarative, self-healing infrastructure orchestration, built from small pluggable components that activ… | 10 | 2253 | abandoned |
| dora-team/fourkeys Four Keys is a self-hostable platform from Google's DORA team that collects events from development environments like GitHub and GitLab via… | 10 | 2236 | abandoned |
| microsoft/kernel-memory Kernel Memory is a multi-modal AI service and .NET library for indexing datasets through hybrid data pipelines, enabling RAG, semantic sear… | 66 | 2233 | abandoned |
| Netflix/asgard Asgard is a web-based tool from Netflix for managing application deployments and cloud infrastructure in Amazon Web Services. It is depreca… | 10 | 2225 | abandoned |
| amazon-archives/aws-mobile-react-native-starter An archived React Native starter sample app from AWS that bootstraps a serverless 'Pet Tracker' application using AWS Amplify. It automatic… | 10 | 2215 | abandoned |
| mozilla/MozDef MozDef is Mozilla's Enterprise Defense Platform, an open-source SIEM-style application for automating security incident handling and enabli… | 10 | 2159 | abandoned |
| cloudflare/wildebeest Wildebeest is an ActivityPub and Mastodon-compatible server that lets anyone run their own Fediverse instance on their own domain with mini… | 64 | 2113 | abandoned |
| jorgebastida/gordon Gordon is a Python CLI tool for creating, wiring, and deploying AWS Lambda functions using CloudFormation. It supports multiple runtimes, l… | 32 | 2027 | abandoned |
| bluzi/jsonstore jsonstore.io is a free, JSON-based cloud datastore for small projects, accessed entirely via HTTP requests (GET, POST, PUT, DELETE) against… | 10 | 2022 | abandoned |
| grafana-cold-storage/phlare Grafana Phlare was a horizontally-scalable, highly-available, multi-tenant continuous profiling aggregation system written in Go, designed … | 10 | 2022 | abandoned |
| ttlequals0/autovpn A command-line tool that creates disposable OpenVPN endpoints on AWS EC2 instances in any region with a single command, then lets you termi… | 10 | 2017 | abandoned |
| Tencent/TubeMQ TubeMQ was Tencent's high-performance message queue, donated to the Apache Software Foundation in 2019 and renamed Apache InLong. This repo… | 23 | 1995 | abandoned |
| goadapp/goad Goad is a highly distributed load testing tool written in Go that runs HTTP load tests from AWS Lambda across multiple regions simultaneous… | 10 | 1866 | abandoned |
| keptn/keptn Keptn is an event-based control plane for cloud-native application lifecycle orchestration, automating SLO-driven multi-stage delivery and … | 10 | 1773 | abandoned |
| fabric8 fabric8 was an open-source integrated development platform for building and deploying microservices on Kubernetes and OpenShift, built on D… | 10 | 1749 | abandoned |
| onejgordon/flow-dashboard Flow Dashboard is a self-hostable web application for tracking goals, tasks, and habits with personal data analytics, built on Python (Goog… | 32 | 1685 | abandoned |
| jina-ai/langchain-serve langchain-serve is a Python framework for deploying LangChain applications to production using Jina and FastAPI, exposing them as REST/Webs… | 10 | 1634 | abandoned |
| openai/evolution-strategies-starter A distributed Python implementation of Evolution Strategies (ES) from OpenAI's paper 'Evolution Strategies as a Scalable Alternative to Rei… | 10 | 1632 | abandoned |
| Greenkeeper Greenkeeper was a hosted service and bot that automated npm dependency updates for GitHub repositories, opening branches and pull requests … | 23 | 1610 | abandoned |
| runsidekick/sidekick Sidekick was a live debugging and observability service that let developers collect tracepoint and logpoint data from running applications … | 32 | 1599 | abandoned |
| twilio/stashboard Stashboard is an open-source status dashboard originally written by Twilio to report the status of its phone, SMS, and communication APIs. … | 10 | 1578 | abandoned |
| lelylan/lelylan Lelylan is an open-source IoT cloud platform built on a lightweight microservices architecture, composed of many small services for device … | 32 | 1523 | abandoned |
| fossasia/susi_tweetbot A Twitter bot for the SUSI AI assistant that replies to mentions of @SusiAI1 and supports direct-message chats by calling the SUSI API. It … | 32 | 1518 | abandoned |
| toto Toto is a tiny (~300 sloc) git-powered blog engine built directly on Rack, storing articles as plain text files with YAML metadata and rend… | 32 | 1494 | abandoned |
| SeldonIO/seldon-server Seldon Server is an open-source machine learning platform and recommendation engine that runs on Kubernetes, providing Predict and Recommen… | 23 | 1477 | abandoned |
| fossasia/susi_viberbot A Viber messenger bot for SUSI AI, written in JavaScript, that connects Viber's chat API to the SUSI AI conversational API via a web server… | 10 | 1475 | abandoned |
| fossasia/open-event-v1 The legacy Open Event server that powered eventyay.com, enabling organizers to manage events, speakers, tracks, venues, and drag-and-drop s… | 10 | 1470 | abandoned |
| fossasia/susi_gassistantbot A Node.js webhook service that connects the SUSI AI chatbot to Google Assistant via Actions on Google and API.AI (Dialogflow). It fulfills … | 10 | 1466 | abandoned |
| fossasia/susi_skypebot A Skype bot for the SUSI AI assistant, built in JavaScript on Microsoft's Bot Framework and designed for deployment to Heroku. It lets user… | 32 | 1463 | abandoned |
| fossasia/susi_hangoutbot A bot that connects the SUSI AI assistant to Google Hangouts, allowing users to chat with SUSI from their Hangouts conversations. It is a J… | 32 | 1460 | abandoned |
| fossasia/loklak_publisher LoklakMessagePublisher is an Angular-based web application for publishing messages to the loklak social search platform. It can be deployed… | 32 | 1456 | abandoned |
| geffzhang/NanoFabric NanoFabric is a .NET Core microservices development framework that integrates Consul, Ocelot, Polly, IdentityServer, Exceptionless, Orleans… | 10 | 1450 | abandoned |
| yongman/tidis Tidis is a distributed transactional NoSQL database written in Go that exposes a Redis protocol-compatible API (string, list, hash, set, so… | 32 | 1443 | abandoned |
| cisagov/Sparrow Sparrow.ps1 is a PowerShell script from CISA's Cloud Forensics team that helps incident responders detect possibly compromised accounts and… | 10 | 1432 | abandoned |
| yonggekkk/Doprax-Xray A one-click shell script that deploys an Xray-core proxy server on the Doprax container platform, running five protocols (vless, vmess, tro… | 32 | 1406 | abandoned |
| actions/create-release A GitHub Action written in JavaScript that wraps the GitHub Release API's Create a Release endpoint, allowing workflows to create GitHub re… | 10 | 1381 | abandoned |
| irgolic/AutoPR AutoPR is a GitHub Action that autonomously generated pull requests in response to issues, planning a fix, writing code, pushing a branch, … | 10 | 1373 | abandoned |
| danilop/LambdAuth LambdAuth is a sample serverless authentication service built on AWS Lambda with Amazon DynamoDB for user storage. It handles user signup w… | 23 | 1364 | abandoned |
| heroku/heroku-pg-extras A Heroku CLI plugin providing shortcut commands for common Postgres introspection queries, such as cache hit ratios, index usage, locks, an… | 10 | 1352 | abandoned |
| mathdroid/covid-19-api A JSON API service serving global COVID-19 data sourced from Johns Hopkins University CSSE, built with TypeScript for the ZEIT Now (Vercel)… | 23 | 1349 | abandoned |
| cloudavail/aws-missing-tools A suite of shell scripts that extends the AWS command line tools with utilities for managing EC2, EBS, RDS, IAM, CloudFormation, Auto Scali… | 32 | 1331 | abandoned |
| Cloud Foundry (VCAP) VCAP is the original open-source Cloud Foundry platform-as-a-service codebase, comprising core components such as the cloud controller, rou… | 10 | 1302 | abandoned |
| mhoofman/wordpress-heroku A template repository for deploying and running WordPress on Heroku, bundling plugins for PostgreSQL support, S3/CloudFront media storage, … | 10 | 1296 | abandoned |
| probot/stale A Probot-based GitHub App that automatically marks and closes abandoned Issues and Pull Requests after a configurable period of inactivity.… | 10 | 1276 | abandoned |
| Forseti Security Forseti Security is a collection of open-source tools for auditing and improving the security of Google Cloud Platform environments, includ… | 10 | 1270 | abandoned |
| mentum/lambdaws A Node.js library that cloudifies any JavaScript function by automatically packaging, deploying, and invoking it on AWS Lambda, returning r… | 32 | 1262 | abandoned |
| yahoo/CaffeOnSpark CaffeOnSpark is a Spark package that brings the Caffe deep learning framework to Hadoop and Spark clusters, enabling distributed neural net… | 10 | 1262 | abandoned |
| ray-project/ray-llm RayLLM was a library for serving and deploying large language models on top of Ray, providing LLM APIs built on Ray Serve. It has been arch… | 10 | 1261 | abandoned |
| zeke/semantic-pull-requests A Probot-based GitHub App that adds a status check ensuring pull requests follow the Conventional Commits spec, so semantic-release can tri… | 32 | 1233 | abandoned |
| bitcoinvsalts/node-binance-trader Node Binance Trader (NBT) is a TypeScript framework for building cryptocurrency trading strategies and managing portfolios on the Binance e… | 23 | 1222 | abandoned |
| hydro-project/fluent Fluent was a data-driven compute platform from UC Berkeley's RISE Lab, combining an elastic cloud-native key-value store (based on Anna) wi… | 10 | 1212 | abandoned |
| opstrace/opstrace Opstrace is an open-source observability distribution that deploys a scalable metrics, logs, and tracing stack (built on Cortex and Loki) o… | 10 | 1210 | abandoned |
| gaboolic/vercel-reverse-fast A Vercel-deployable reverse proxy configuration that accelerates access to OpenAI/ChatGPT and other blocked services like GitHub and Google… | 10 | 1173 | abandoned |
| saasify-sh/saasify Saasify was a platform and developer CLI that auto-generated monetizable SaaS products from REST APIs or serverless functions, handling mar… | 10 | 1171 | abandoned |
| outerbase/starbasedb StarbaseDB is an open-source, scale-to-zero SQLite database exposed over HTTP and WebSockets, built on Cloudflare Durable Objects. It provi… | 61 | 1164 | abandoned |
| apache/trafficcontrol Apache Traffic Control is an open-source implementation of a full Content Delivery Network, built around Apache Traffic Server as the cachi… | 10 | 1155 | abandoned |
| amzn/alexa-skills-kit-js The original Node.js SDK and example code for building voice-enabled Alexa skills for Amazon Echo devices. This repository is deprecated an… | 10 | 1147 | abandoned |
| zendesk/helm-secrets A deprecated Helm plugin that manages encrypted secrets files (YAML/JSON) within Git workflows, using SOPS as its backend for per-value enc… | 10 | 1146 | abandoned |
| kubernetes-retired/bootkube Bootkube is a Go CLI tool for launching self-hosted Kubernetes clusters by running a temporary control plane that bootstraps a permanent, s… | 10 | 1145 | abandoned |
| klothoplatform/klotho Klotho is an open-source CLI tool that transforms plain application code into cloud-native code using in-code annotations, generating infra… | 48 | 1143 | abandoned |
| uswitch/kiam Kiam is a Kubernetes agent that lets pods assume AWS IAM roles by intercepting EC2 Metadata API requests and serving STS credentials per-po… | 10 | 1143 | abandoned |
| Spring Cloud Data Flow Spring Cloud Data Flow is a microservices-based toolkit for orchestrating streaming and batch data processing pipelines built from Spring B… | 10 | 1140 | abandoned |
| intuit/wasabi Wasabi is an open-source, API-driven A/B testing and experimentation platform built in Java by Intuit, allowing teams to run experiments ac… | 32 | 1139 | abandoned |
| kelseyhightower/kube-cert-manager A Kubernetes controller that automatically manages Let's Encrypt TLS certificates, storing them as Kubernetes secrets via ACME dns-01 chall… | 32 | 1111 | abandoned |
| kubernetes-retired/kube-aws kube-aws is a command-line tool for declaratively creating, updating, and destroying Kubernetes clusters on AWS using CloudFormation. The p… | 10 | 1111 | abandoned |
| Dark-Xploit/SPACE-MD SPACE-MD is a JavaScript-based WhatsApp multi-device bot that users fork, pair via a session ID, and deploy to platforms like Heroku. The p… | 10 | 1101 | abandoned |
| Nebula Nebula 1.x is an open-source business risk-control (anti-fraud) platform that captures traffic out-of-band via OpenResty and analyzes it in… | 10 | 1098 | abandoned |
| kubernetes-retired/kube-batch kube-batch is a batch scheduler for Kubernetes designed for high-performance workloads such as AI/ML, Big Data, and HPC jobs. It was the pr… | 10 | 1091 | abandoned |
| loft-sh/kiosk Kiosk is a multi-tenancy extension for Kubernetes that lets cluster admins securely share a single cluster among multiple tenants. It provi… | 10 | 1071 | abandoned |
| spencerwooo/onedrive-cf-index A OneDrive public directory listing web app powered by Cloudflare Workers, providing file browsing, previews, and download links for files … | 10 | 1063 | abandoned |
| microsoft/botframework-solutions A Microsoft repository of templates, solutions, and sample skills for building enterprise conversational AI experiences with Azure Bot Serv… | 10 | 1060 | abandoned |
| Service Mesh Interface Service Mesh Interface (SMI) is a CNCF specification defining a standard, provider-agnostic set of Kubernetes CRD-based APIs for service me… | 10 | 1059 | abandoned |
| loklak/loklak_IBM_Home_Automation A Python-based IoT home automation integration for the Loklak server that connects a Raspberry Pi to IBM's IoTF (Bluemix) platform. It rela… | 32 | 1050 | abandoned |
| sitewhere/sitewhere SiteWhere is an open-source, multi-tenant IoT application enablement platform built on Java/Spring microservices, offering device and asset… | 10 | 1046 | abandoned |
| kubernetes-retired/service-catalog A Kubernetes extension (SIG project) that integrates service brokers via the Open Service Broker API, letting users provision external clou… | 10 | 1037 | abandoned |
| TIBCOSoftware/snappydata SnappyData (TIBCO ComputeDB) is a distributed, memory-optimized analytics database that fuses an in-memory hybrid OLTP/OLAP store inside Ap… | 23 | 1033 | abandoned |
| bcbio-nextgen bcbio-nextgen is a validated, community-developed pipeline toolkit for high-throughput sequencing analysis, including variant calling, RNA-… | 23 | 1032 | abandoned |
| Azure Container Service AKS Engine is a deprecated command-line tool that generated ARM templates and provisioned self-managed Kubernetes clusters on Azure. The re… | 10 | 1018 | abandoned |
| Apache Airflow Apache Airflow is an open-source platform for programmatically authoring, scheduling, and monitoring workflows as directed acyclic graphs (… | 98 | 47148 | stable |
| Apache Spark Apache Spark is a unified analytics engine for large-scale data processing that provides high‑level APIs in Scala, Java, Python, and R. It … | 77 | 44159 | active |