Code Analysis

A static code analysis tool with a focus on code consistency and teaching.

Mix tasks to simplify use of Dialyzer in Elixir projects.

Functions useful for processing Erlang code.

Utilities to work with Elixir source code.

Core library for the Erlang style reviewer

A code-style enforcer that will just FIFY instead of complaining

An analysis tool for checking safety of database migrations.

erlfmt is an opinionated Erlang code formatter

Mix task to analyze and report Elixir code.

Erlang linter - rebar3 plugin

Managing cross-module dependencies in Elixir projects.

A rebar plugin for code formatting

One task to efficiently run all code analysis & testing tools in an Elixir project

A rebar plugin for dead code cleaning

Linter for Absinthe

A Credo-configured code-style enforcer that will just fix it for you instead of complaining

A suite of checks to enforce naming best practices in an Elixir project.

Credo checks that catch AI-generated code slop in Elixir

A collection of opinionated Credo checks aimed at improving code quality and catching common mistakes in Elixir, Oban, and LiveView

rebar3 plugin to format Erlang code a la `gofmt`

Code duplication detector powered by Elixir AST analysis

Credo checks for Mox

A Mix formatter that sorts your Tailwind classes

Program dependence graph for Elixir and Erlang

A parallel code quality checker for Elixir projects. Runs format, compile, credo, dialyzer, and tests concurrently with smart test partitioning.

Generate an HTML report from dialyzer output

Sorts and groups aliases in Elixir files.

Add-on for Credo for checking environment variables that get evaluated at Elixir compile time.

Pretty print SQL queries

Elixir source code refactoring

Custom Credo checks for detecting common Elixir/Phoenix anti-patterns including N+1 queries, missing error handling, blocking operations, telemetry gaps, and more. Provides 20 comprehensive static analysis checks to improve code quality.

Credo check to identify cases where `Enum.reduce` can be simplified to other `Enum` functions

Credo check to detect silent exception swallowing in rescue blocks. Enforces proper error handling by requiring logging, error reporting, or re-raising.

Mix compiler tracer for detecting unused public functions

A check to ensure there are no compile time variables used across an Elixir project.

A Credo check for deprecated functions

A Credo check to ensure hygenic domain boundaries.

Tool to gather stats about module imports in project.

@antedeguemon's Credo checks

A set of community-maintained checks for the Credo static analysis tool. Many of the checks are implementations of rules from https://github.com/christopheradams/elixir_style_guide.

An experimental linter with autocorrection.

Dialyzer Mix task

Elixir formatter plugin for doctests.

Erlang Code Formatter

A linter for the Gleam programming language with 22 configurable rules

Add option to credo to generate sonarqube generic issue file

Coverex is an Elixir Coverage tool used by mix. It provides tables with overviews of module and function coverage data, includings links to annotated source code files and supports coveralls.io.

A module for Custom Credo checks (extensions) in addition to the default checks.

Credo checks for Ash Framework

Carefully refactor critical paths

Semantic merge driver for Elixir code

erlfmt formatter for Mix projects

Elixir `alias`, `import` and `require` sorter.

A CI/CD tool for checking dependency license compatibility in Elixir projects. Reads license information from local hex metadata files and validates compatibility with your project's license using industry-standard rules.

Custom Credo checks used by the Blitz Backend Elixir team

Churn supports finding refactoring candidates in your code

Infers types for expressions, effects and scope variables of EYG programs.

Fast and flexible runtime type-checking: Type checks are optimized by the compiler and types can be composed, re-used and turned into property-testing generators. TypeCheck also focuses on showing understandable messages on typecheck-failures.

An interface to the BEAM file format and a decompiler

Static analysis that detects bare Ecto mutations on Carbonite-tracked tables missing audit transactions. Catches the gap between adding a trigger and updating all write paths.

A tool for running Dialyzer in incremental mode on Elixir projects.

A plugin for the lexical language server that enables Credo checks

A fork of the Elixir code formatter, with added freedom

Toolkit to explore the architecture, design and quality of your elixir projects

An Elixir semantic linter that detects performance issues and non-idiomatic code via AST analysis.

A code style linter for Elixir, powered by shame.