Open-source serverless software
87 open-source libraries, tools and applications tagged serverless, ranked by how closely serverless 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.
87 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Firecracker Firecracker is an open-source virtual machine monitor (VMM) that uses Linux KVM to create and manage lightweight microVMs for secure multi-… | 97 | 37354 | stable |
| OpenFaaS OpenFaaS is a serverless functions platform that lets developers deploy event-driven functions and microservices packaged as OCI/Docker con… | 71 | 26245 | stable |
| aws/chalice AWS Chalice is a Python serverless microframework for building and deploying applications on AWS Lambda. It provides a CLI for scaffolding … | 77 | 11056 | stable |
| Fission Fission is an open-source, Kubernetes-native serverless framework for deploying functions as a service (FaaS). Developers write functions i… | 89 | 8933 | active |
| Apache OpenWhisk Apache OpenWhisk is an open source distributed serverless (FaaS) cloud platform that executes functions in response to events at any scale … | 65 | 6802 | active |
| Knative Knative is a Kubernetes-based platform providing middleware components for building, deploying, and managing serverless workloads, comprisi… | 96 | 6110 | stable |
| Nuclio Nuclio is a high-performance open-source serverless (FaaS) platform for real-time event and data processing, deployable standalone via Dock… | 92 | 5760 | stable |
| Virtual Kubelet Virtual Kubelet is an open-source Kubernetes kubelet implementation that masquerades as a kubelet to connect Kubernetes clusters to other A… | 88 | 4575 | active |
| OSv OSv is an open-source modular unikernel operating system designed to run single unmodified Linux applications securely as microVMs on top o… | 67 | 4262 | active |
| zappa/Zappa Zappa is a Python tool for deploying WSGI applications (Flask, Django, Pyramid, Bottle) as serverless web services on AWS Lambda and API Ga… | 87 | 3697 | active |
| aws/aws-lambda-rust-runtime A set of Rust crates providing a runtime for running AWS Lambda functions written in Rust, including HTTP support, extensions, and typed ev… | 97 | 3617 | 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 |
| 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 | 11819 | maintenance |
| eooce/python-ws A lightweight Python implementation of VLESS, Trojan, and Shadowsocks proxy protocols designed to run on serverless/PaaS platforms without … | 53 | 2844 | active |
| rubyonjets/jets Jets is a Ruby serverless framework and deployment service that packages Rails, Sinatra, Hanami, or any Rack app and runs it on AWS Lambda.… | 51 | 2590 | active |
| Up Up is a command-line tool that deploys serverless applications, APIs, and static sites to AWS Lambda and API Gateway in seconds, supporting… | 23 | 8792 | maintenance |
| Azure Functions Azure Functions is Microsoft's serverless, event-driven compute platform, and this repo contains the open-source runtime host that executes… | 94 | 2023 | active |
| Tencent/cloudbase-framework CloudBase Framework is Tencent Cloud's official fullstack deployment tool that deploys frontend and backend applications to a Serverless ar… | 10 | 1998 | active |
| arithmetric/aws-lambda-ses-forwarder A Node.js script for AWS Lambda that uses AWS Simple Email Service (SES) inbound/outbound capabilities to run a serverless email forwarding… | 23 | 1729 | stable |
| 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 |
| 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 |
| 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 |
| 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 |
| Melledy/LunarCore LunarCore is a Java-based game server reimplementation for a certain turn-based anime game (Honkai: Star Rail), supporting version 4.2.0 fo… | 64 | 1431 | 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 |
| ca110us/epeius Epeius is a Trojan proxy server implemented as a Cloudflare Worker, allowing serverless deployment of the Trojan protocol without owning a … | 25 | 1225 | active |
| phoenixframework/flame FLAME is an Elixir library that lets you auto-scale parts of an existing application by wrapping code blocks in a FLAME.call, which execute… | 67 | 1177 | active |
| lambci/lambci LambCI is a serverless continuous integration system built on AWS Lambda that runs tests when code is pushed or pull requests are opened on… | 32 | 3962 | maintenance |
| Claudia.js Claudia.js is a command-line tool that automates deploying Node.js projects to AWS Lambda and API Gateway. It handles error-prone packaging… | 65 | 3883 | maintenance |
| juanjoDiaz/serverless-plugin-warmup A Serverless Framework plugin that eliminates AWS Lambda cold starts by creating scheduled warmer functions. The warmer invokes your select… | 68 | 1120 | active |
| Cloud Functions for Firebase Cloud Functions for Firebase is a serverless framework that runs JavaScript, TypeScript, Python, and (experimentally) Dart backend code in … | 98 | 1068 | active |
| open-lambda/open-lambda OpenLambda is an open-source serverless computing platform written in Go, based on Linux containers, with a single-node worker that invokes… | 57 | 1014 | active |
| iron-io/functions IronFunctions is an open source Functions-as-a-Service (FaaS) platform written in Go that you can run anywhere, on public, private, or hybr… | 23 | 3215 | 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 |
| metrue/fx fx is a self-hosted Function as a Service (FaaS) tool that turns stateless functions into container-based HTTP services in seconds. It supp… | 23 | 2228 | maintenance |
| awslabs/llrt LLRT (Low Latency Runtime) is a lightweight JavaScript runtime built in Rust on the QuickJS engine, designed for fast-starting serverless a… | 88 | 8806 | experimental |
| Autocode Autocode is a Function-as-a-Service platform and CLI for building, deploying, and executing web services and APIs that respond to external … | 32 | 1586 | maintenance |
| nficano/python-lambda A Python toolkit and CLI for developing, bundling, and deploying serverless functions to AWS Lambda. It scaffolds Lambda projects and strea… | 10 | 1513 | maintenance |
| hook.io hook.io is an open-source hosting platform for webhooks and HTTP microservices, supporting services written in many languages including Jav… | 32 | 1269 | 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 |
| vercel/fun A local runtime for developing and invoking AWS Lambda-style serverless functions on your own machine, exposing a programmatic API (@vercel… | 93 | 1019 | maintenance |
| lagonapp/lagon Lagon is an open-source runtime and platform for deploying TypeScript and JavaScript serverless functions at the edge, built on a Rust runt… | 10 | 1340 | experimental |
| Kubeless Kubeless is a Kubernetes-native serverless framework that lets you deploy functions as custom Kubernetes resources, with an in-cluster cont… | 10 | 6828 | abandoned |
| serverless-nextjs/serverless-next.js A Serverless Component that deploys Next.js 10/11 applications to AWS Lambda@Edge with zero configuration, aiming for full Next.js feature … | 10 | 4459 | abandoned |
| SqueezerIO/squeezer Squeezer is a JavaScript framework and CLI for building serverless decentralized applications (dApps) on blockchains like Ethereum and Bitc… | 98 | 3237 | 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 |
| 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 |
| SST SST is a framework for building and deploying modern full-stack applications on your own cloud infrastructure, with the entire app defined … | 83 | 26341 | active |
| kriasoft/react-starter-kit React Starter Kit is a production‑ready monorepo template for building full‑stack SaaS applications with React 19, tRPC, and Cloudflare Wor… | 68 | 23696 | active |
| Neon Serverless Postgres Neon is an open-source serverless Postgres platform that separates storage from compute by replacing PostgreSQL's storage layer with a dist… | 71 | 23123 | active |
| InsForge/InsForge InsForge is an open-source, all-in-one backend platform (BaaS) designed for AI coding agents, bundling Postgres, auth, storage, realtime, e… | 86 | 13129 | active |
| KEDA KEDA is a Kubernetes-based event-driven autoscaler that scales any container workload based on the number of events needing processing, usi… | 94 | 10643 | stable |
| zizifn/edgetunnel A project that runs V2ray proxy inside edge/serverless runtimes, primarily Cloudflare Workers. It lets users deploy a personal proxy endpoi… | 23 | 9216 | active |
| KubeVela KubeVela is a CNCF-incubating, application-centric software delivery control plane built on Kubernetes and the Open Application Model. It l… | 95 | 7914 | active |
| labring/laf Laf is an open-source cloud development platform (BaaS/FaaS) offering cloud functions, cloud database (MongoDB), and cloud storage (MinIO) … | 62 | 7551 | active |
| Spin Spin is an open-source framework and CLI for building, deploying, and running event-driven serverless microservices as WebAssembly componen… | 100 | 6540 | active |
| Micronaut Micronaut is a modern, JVM-based full-stack framework for building modular, easily testable applications and microservices in Java, Kotlin,… | 95 | 6437 | stable |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| winglang/wing Wing is an open-source, cloud-oriented programming language that unifies infrastructure definitions and application runtime code in a singl… | 78 | 5402 | active |
| CodeGenieApp/serverless-express A Node.js library that lets you run Express and other Node.js web frameworks on AWS Lambda and API Gateway (plus Lambda@Edge and Azure Func… | 68 | 5260 | active |
| Taubyte Tau Taubyte (tau) is an open-source, self-hosted fullstack cloud platform that lets developers and AI coding agents build, test, and ship appli… | 75 | 5174 | active |
| cloudflare/workers-sdk The Cloudflare Workers SDK is a monorepo containing Wrangler, the official CLI for building, testing, and deploying Cloudflare Workers serv… | 95 | 4612 | active |
| Architect Architect is an open-source framework and CLI for building Functional Web Apps (FWAs) on AWS serverless infrastructure using concise declar… | 65 | 2624 | active |
| Supabase CLI Supabase is an open‑source Postgres development platform that provides a hosted database, authentication, auto‑generated REST and GraphQL A… | 95 | 2438 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| Kludex/mangum Mangum is a Python adapter that runs ASGI applications (FastAPI, Starlette, Quart, Django, etc.) inside AWS Lambda. It translates API Gatew… | 88 | 2142 | active |
| Nitric Nitric is a multi-language framework for building cloud backends with infrastructure declared inline in application code. It provisions res… | 95 | 2016 | active |
| beam-cloud/beta9 Beam (beta9) is an open-source serverless runtime for AI workloads, providing GPU inference endpoints, isolated sandboxes for running untru… | 91 | 1827 | 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 |
| golemcloud/golem Golem is an open-source durable agent runtime and serverless platform for running WebAssembly components in a distributed cloud environment… | 91 | 1518 | active |
| Functions Framework An open-source FaaS framework for Node.js, based on Express, for writing portable functions that run on Google Cloud Run functions, Cloud R… | 93 | 1386 | active |
| Swift AWS Lambda Runtime A Swift implementation of the AWS Lambda Runtime API for developing and deploying Lambda functions written in Swift. It uses an embedded as… | 97 | 1235 | active |
| run-house/kubetorch Kubetorch is a Python library that lets you distribute and run ML workloads (training, inference, data processing) on Kubernetes directly f… | 76 | 1225 | active |
| spacecloud-io/space-cloud Space Cloud is a Kubernetes-based open-source serverless platform that generates instant GraphQL and REST APIs over databases like MongoDB,… | 23 | 4002 | maintenance |
| adieuadieu/serverless-chrome Serverless Chrome is a scaffolding framework and Serverless Framework plugin for running headless Chrome/Chromium on AWS Lambda. It bundles… | 23 | 2888 | maintenance |
| AWS Amplify The AWS Amplify CLI is a Node.js-based toolchain that simplifies provisioning and managing serverless backends (auth, storage, APIs, functi… | 93 | 2871 | maintenance |
| Project Flogo Project Flogo is an ultra-light, Go-based open source ecosystem for building event-driven applications using triggers and actions. It suppo… | 23 | 2489 | maintenance |
| t9tio/cloudquery CloudQuery is a tool that turns any website into a JSON API by fetching pages with headless Chrome and extracting data via CSS selectors. I… | 32 | 2149 | maintenance |
| airbnb/binaryalert BinaryAlert is an open-source serverless AWS pipeline that scans every file uploaded to an S3 bucket against a configurable set of YARA rul… | 23 | 1457 | maintenance |
| JetBrains/kotless Kotless is a Kotlin serverless framework that generates Terraform deployment code directly from application code, supporting its own DSL as… | 23 | 1169 | maintenance |
| zhaofengli/attic Attic is a self-hostable, multi-tenant Nix binary cache server backed by S3-compatible storage, written in Rust. It provides global dedupli… | 76 | 2093 | experimental |
| losfair/blueboat Blueboat is an all-in-one, multi-tenant serverless JavaScript runtime written in Rust, designed for frictionless horizontal scalability. It… | 23 | 1923 | experimental |
| cloudflare/wrangler-legacy Wrangler v1 is the original command-line tool for building, previewing, and deploying Cloudflare Workers serverless functions, written in R… | 10 | 3189 | 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 |
| 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 |
| 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 |
| 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 |
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