Top FUNCTIONS GitHub Repositories & Tools (2026)

Light, fluffy, and always free - Local Azure Emulator

Collection of sample apps showcasing popular use cases using Cloud Functions for Firebase

Ultrafast serverless GPU inference, sandboxes, and background jobs

Open-source TypeScript framework for building durable, resumable workflows. Supports Node.js and Bun.

Core package for defining and running durable workflows and activities. Supports long-running persistent workflows, retries, queues, parallel execution, workflow monitoring, dedicated storage connections, and orchestration for microservices, data pipelines, sagas, agentic workflows, and other complex business processes.

Automated ACME SSL/TLS certificate management built around Azure Key Vault

clad -- automatic differentiation for C/C++

vHive: Open-source framework for serverless experimentation

The Firebase SDK for Unity

Combine wrapper on Google's iOS Firebase library.

PowerShell language worker for Azure Functions.

Dynatrace hash library for Java

Java API and runtime for fn.

Scalable Nx monorepo starter for Angular and NestJS apps with Firebase, Electron, Capacitor, GraphQL, testing, and CI automation.