ArkType
TypeScript-style validators that check data at runtime
19 tools in our directory are marked as best for Full-stack teams, from 8 sections: Frameworks (6), APIs (5), Backend Services (2), Hosting & Deploy (2) and 4 more sections.

TypeScript-style validators that check data at runtime

Open source TypeScript auth framework with login, OAuth and plugins

Fast JavaScript runtime with a package manager and test runner

Protobuf RPC library for browser and gRPC-compatible APIs

Hands-on full-stack web development workshops and courses

Run apps, agents and sandboxes on fast hardware-isolated VMs

Open source toolkit from Google for building AI apps and agents


Full-stack Rust web framework with fine-grained reactive signals


Extensible GraphQL API built on top of PostgreSQL databases

Unstyled React components for building email templates

Full-stack framework for SolidJS with flexible deployment

Full-stack React and Solid framework with type-safe routing

Throwaway Docker containers for databases and services in tests

Typesafe APIs shared between a TypeScript server and client


Open source full-stack framework for React, Node.js and Prisma

TypeScript-first schema validation with static type inference
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