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

Mix task to analyze and report Elixir code.

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

Erlang linter - rebar3 plugin

Managing cross-module dependencies in Elixir projects.

Linter for Absinthe

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

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`

Credo checks for Mox

Code duplication detector powered by Elixir AST analysis

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

Sorts and groups aliases in Elixir files.

A Mix formatter that sorts your Tailwind classes

Mix compiler tracer for detecting unused public functions

Generate an HTML report from dialyzer output

Program dependence graph for Elixir and Erlang

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

Elixir source code refactoring

Pretty print SQL queries

Tool to gather stats about module imports in project.

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.

@antedeguemon's Credo checks

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.

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.

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.

Dialyzer Mix task

An experimental linter with autocorrection.

Elixir formatter plugin for doctests.

Erlang Code Formatter

A linter for the Gleam programming language with 22 configurable rules

Carefully refactor critical paths

Semantic merge driver for Elixir code

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.

Add option to credo to generate sonarqube generic issue file

erlfmt formatter for Mix projects

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

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

Credo checks for Ash Framework

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

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.

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

An interface to the BEAM file format and a decompiler

A plugin for the lexical language server that enables Credo checks

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 fork of the Elixir code formatter, with added freedom

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

A code style linter for Elixir, powered by shame.

A rebar3 plugin to run shellcheck on given shell scripts.