#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.

Collection of CI tools for Rust Workflows

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.