#development-tools

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

Apache Superset is a Data Visualization and Data Exploration Platform

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

Multi-platform SDK for integrating GitHub Copilot Agent into apps and services

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

⚓ A collection of high-performance JavaScript tools.

The open source and enterprise-ready webhooks service 🦀

CRC is a tool to help you run containers. It manages local VMs to run a OpenShift 4.x cluster, Microshift or Podman optimized for testing and development purposes

A Git-compatible VCS that is both simple and powerful

The adaptive interface system for modern web experiences.

Kani Rust Verifier

Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.

Temporal Rust & Core SDKs

Fast Rust-based bundler for the web with a modernized webpack API 🦀

A minimal, secure Python interpreter written in Rust for use by AI

A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/

A protocol for connecting any editor to any agent

Rust rules for Bazel

Viceroy provides local testing for developers working with Compute.

secure multiplexed execution paths for agents - zero trust, zero setup, zero latency.

Rust version of webpack/enhanced-resolve

Format Rust code

Fast Markdown linter and formatter written in Rust

VT Code is an open-source Rust terminal coding agent.

Rust SDK for ACP clients and agents.

Creusot helps you prove your Rust code is correct.

A Rust implementation of the Starlark language

Rust reflection, serialization, deserialization, pretty printing, etc. — the last proc macro you should need

Codebase intelligence for TypeScript and JavaScript. Free static analysis of code and styles: unused code, duplication, circular deps, complexity hotspots, architecture boundaries, design-system drift. Optional paid runtime layer (Fallow Runtime): hot-path review and cold-path deletion evidence from real production traffic.

Rust tool for generating FFI definitions allowing many other languages to call Rust code