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A static code analysis tool for the Elixir language
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What is Credo?

credo can show you refactoring opportunities in your code, complex and duplicated code fragments, warn you about common mistakes, show inconsistencies in your naming scheme and - if needed - help you enforce a desired coding style.
Credo is a tool in the Code Review category of a tech stack.
Credo is an open source tool with 3K GitHub stars and 222 GitHub forks. Here’s a link to Credo's open source repository on GitHub

Who uses Credo?

Companies
6 companies reportedly use Credo in their tech stacks, including inkl, Hacker Experience, and Martide.

Developers

Credo Integrations

Why developers like Credo?

Here’s a list of reasons why companies and developers use Credo
Top Reasons
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Credo Reviews

Here are some stack decisions, common use cases and reviews by companies and developers who chose Credo in their tech stack.

Sebastian Gębski
Sebastian Gębski
CTO at Shedul/Fresha · | 7 upvotes · 25K views
atFresha EngineeringFresha Engineering
AppSignal
Hex
Credo
Erlang
Phoenix Framework
Elixir

Another major decision was to adopt Elixir and Phoenix Framework - the DX (Developer eXperience) is pretty similar to what we know from RoR, but this tech is running on the top of rock-solid Erlang platform which is powering planet-scale telecom solutions for 20+ years. So we're getting pretty much the best from both worlds: minimum friction & smart conventions that eliminate the excessive boilerplate AND highly concurrent EVM (Erlang's Virtual Machine) that makes all the scalability problems vanish. The transition was very smooth - none of Ruby developers we had decided to leave because of Elixir. What is more, we kept recruiting Ruby developers w/o any requirement regarding Elixir proficiency & we still were able to educate them internally in almost no time. Obviously Elixir comes with some more tools in the stack: Credo , Hex , AppSignal (required to properly monitor BEAM apps).

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Credo Alternatives & Comparisons

What are some alternatives to Credo?
ESLint
A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.
SonarQube
SonarQube provides an overview of the overall health of your source code and even more importantly, it highlights issues found on new code. With a Quality Gate set on your project, you will simply fix the Leak and start mechanically improving.
Code Climate
After each Git push, Code Climate analyzes your code for complexity, duplication, and common smells to determine changes in quality and surface technical debt hotspots.
Prettier
Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re-printing it with its own rules that take the maximum line length into account, wrapping code when necessary.
Codacy
Codacy is an automated code review tool for Scala, Java, Ruby, JavaScript, PHP, Python, CoffeeScript and CSS. It's continuous static analysis without the hassle. Save time in Code Reviews. Tackle your technical debt
See all alternatives

Credo's Stats

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Credo's Followers
6 developers follow Credo to keep up with related blogs and decisions.
MohammadAsh15
Patrick Sheridan
Marek Suscak
Navin Peiris
Alexander Kotenkov
Ben Sharman