Open-source alternatives to RefactoringEssentials

This project is a language server implementation and code editor extension designed to provide intelligence for Svelte components. It functions as a static analysis tool that parses source code to deliver real-time feedback, automated formatting, and code navigation within development environments. The tool distinguishes itself by utilizing a virtual file system mapping that translates component files into modules, allowing standard language tools to process non-standard syntax. It integrates directly with the TypeScript compiler to perform type checking and static analysis across mixed scrip

Pylint is a static code analysis tool for Python that checks source code for errors, coding standard violations, and code smells without executing the program. It parses code into an abstract syntax tree and walks the tree to detect issues, enforces configurable style rules and naming conventions, and identifies duplicate code blocks by comparing tokenised source sequences. The tool also includes an inference engine that deduces variable types by simulating code paths, enabling deeper analysis even in untyped code. What distinguishes Pylint is its plugin-based checker architecture, which allo

This project is a Go language extension for VS Code that provides a comprehensive development environment through a language server client, a debugging interface, and a test automation runner. It integrates language intelligence, formatting, and debugging capabilities to support the full Go language development lifecycle. The extension distinguishes itself by managing the Go toolchain, including the installation and configuration of external binaries required for language features. It also features a dedicated test automation interface that allows for the generation of unit test skeletons and

An analyzer library for C# and VB that uses Roslyn to produce refactorings, code analysis, and other niceties.

"AutoMapper" like, Roslyn based, code fix provider that allows to generate mapping code in design time. Read more Mapping Generator – Design Time Alternative to AutoMapper

A Rake task gem that helps you find the unused routes and controller actions for your Rails 3+ app

.NET Core Application Performance Monitor

BenchmarkDotNet is a library and tool suite for measuring the execution time and memory allocation of .NET code. It utilizes statistical sampling and warm-up iterations to determine the stability and precise execution speed of specific methods. The project provides a JIT disassembly viewer to inspect processor disassembly and analyze how the compiler executes code paths. It includes a memory allocation profiler that tracks managed and native memory traffic to identify efficiency bottlenecks. Additionally, a runtime performance comparator allows the same benchmarks to be executed across differ

Tool that uses Roslyn to automatically rewrite the source to follow our coding styles

Cross platform HTTP server benchmark tool

Micro PHP benchmark library

Ruby production code coverage collection and reporting (line of code usage)

PHPStan analysis for Blade templates

Pluggable foundation blocks for building distributed apps.

Scientist is a Ruby code parity testing library and production experimentation framework. It allows for the safe deployment of candidate code paths alongside a control implementation to verify that new logic produces the same outputs and exceptions as the original. The library identifies behavioral divergences between legacy and refactored code by running both versions in a live environment. It functions as a refactoring regression detector, measuring performance parity and detecting mismatches using real-world data without affecting the end user. The system covers broad capabilities for mon

Roslynator is a set of code analysis tools for C#, powered by Roslyn.

Cross platform code coverage tool for .NET Core

DevSkim is a set of IDE plugins, language analyzers, and rules that provide security "linting" capabilities.

NOTE This project is no longer maintained. The high impact analyzers from this repository are being merged with dotnet/roslyn-analyzers. As such, this repo was archived

A tool to verify that your files are in harmony with your .editorconfig

Quick automated code review of your changes

⚙️ A curated list of static analysis (SAST) tools and linters for all programming languages, config files, build tools, and more. The focus is on tools which improve code quality.

Library for collecting application metrics in .NET and exporting them to Prometheus

PHP-Parser is a tool that converts PHP source code into an abstract syntax tree for static analysis and programmatic manipulation. It functions as a parser, a code generator, and a static analysis framework. The project enables the programmatic construction of abstract syntax tree nodes through a fluent interface and provides the ability to transform these trees back into formatted source code. It includes a serializer that exports abstract syntax trees to JSON format and reconstructs them from strings. The toolset covers several capability areas, including namespace resolution, constant exp

:zap: Don't make your Rubies go fast. Make them go fasterer ™. :zap:

Analyze PHP code with one command