Reason lets you write simple, fast and quality type safe code while leveraging both the JavaScript & OCaml ecosystems.

Reason @ GitHub.

A lightweight, lightning-fast, type-safe embeddable language for real-time applications.

Integrate with any API. Simple, TypeSafe, Fast. Seamless Requests and Real-Time Connectivity. ⚡ Fetching and realtime data exchange framework.

Hyper Fetch is a framework that makes it easy to connect to any remote API. Using request based or real-time connection.

Hyper Fetch is unique fetching and realtime data-exchange framework meticulously crafted to prioritize simplicity and efficiency. Its typesafe design and user-friendly interface ensure a seamless integration experience, whether you're working on the browser or the server. Next-generation features streamlines architecture creation, grants access to the request lifecycle, and empowers rapid development of new components and functionalities, all while facilitating real-time data exchange.

• HyperFetch @ GitHub.

Type-safe Routing for React and Solid applications

A powerful React router for client-side and full-stack react applications. Fully type-safe APIs, first-class search-params for managing state in the URL and seamless integration with the existing React ecosystem.

• TanStack Router @ GitHub.

Related contents:

• Context Inheritance in TanStack Router @ TkDodo's blog.

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

Experience the full power of TypeScript inference to boost productivity for your full-stack application.

tRPC allows you to easily build & consume fully typesafe APIs without schemas or code generation.

• tRPC @ GitHub.

Related contents:

• The Multi-Repository TypeScript Problem @ carrick.

WebAssembly for the Modern Web.

A type-safe, component-based language for building high-performance web apps with WASM and fine-grained reactivity.

• Coi @ GitHub.

Type-safe Composable CSS.

From simple UI styles to full Design Systems, write code using Styleframe’s powerful TypeScript CSS API — AI-ready by design. Write type-safe, composable, future-proof Design Systems code using styleframe's powerful TypeScript CSS API.

• styleframe @ GitHub.

The Programming Language compiled to Bash. Write your scripts in a modern type-safe and runtime-safe programming language that handles many bugs and mistakes during compilation process.

• Amber @ GitHub.

The type-safe SQL query builder for TypeScript.

Kysely (pronounce “Key-Seh-Lee”) is a type-safe and autocompletion-friendly TypeScript SQL query builder. Inspired by Knex.js. Mainly developed for Node.js but also runs on all other JavaScript environments like Deno, Bun, Cloudflare Workers and web browsers.

• Kysely @ GitHub.

Related contents:

• AI Is Forcing Us To Write Good Code @ Bits of Logic.

Write SQL. Ship confidence. SQL-first tooling for PostgreSQL Type-safe PostgreSQL client code generator.

pGenie validates SQL, manages indexes, and generates type-safe client SDKs — all derived from the migrations and queries in plain SQL.

• pGenie @ GitHub.