Ada Programming/Coding standards

Suggestions of Ada programming guidelines

BF Style Guide

Guidelines for writing and formatting Brainfuck code.

C Coding Standard

Conventions and best practices for C code.

C Programming/Structure and style

Structural and style recommendations for C programs.

Making The Best Use of C

This chapter provides advice on how best to use the C language when writing GNU software.

C# Coding Conventions

Official C# coding style conventions.

C# Style Guide

Community C# style guide.

C# Coding Standards and Naming Conventions

Standards and naming conventions for C# code.

Google C++ Style Guide

C++ coding standards and best practices.

C++ Core Guidelines

A set of tried-and-true guidelines, rules, and best practices about coding in C++.

LLVM C++ Coding Standards

Coding standards for the LLVM project.

Mozilla C++ Coding style

C++ coding style guidelines for Mozilla codebases.

Chromium C++ style guide

C++ style guide for the Chromium project.

Webkit C++ Code Style Guidelines

C++ code style guidelines for WebKit.

NASA C++ Coding Standards and Style Guide

C++ coding standards for safety-critical systems.

OceanBase C++ Coding Standards

C++ coding standards for OceanBase.

The Clojure Style Guide

A community coding style guide for the Clojure programming language.

Style Guide

Google Common Lisp Style Guide

The D Style

A set of style conventions for writing D programs.

Effective Dart

Recommendations for consistent, idiomatic Dart code.

Delphi's Object Pascal Style Guide

Object Pascal coding style guidelines.

Elixir Styleguide

Community Elixir coding style guide.

Elm style guide

Style suggestions and conventions for Elm.

Elisp Guide

Guide to writing Emacs Lisp.

Emacs Lisp Style Guide

Community style guide for Emacs Lisp.

Secure Coding Guidelines

Writing secure Erlang code, describing common pitfalls and weaknesses best avoided.

Erlang Coding Guidelines

The F# Component Design Guidelines

Official design and style guidelines for F#.

Fortran Best Practices

Style guide and best practices for modern Fortran programs.

Effective Go

Idioms and best practices for Go.

Go Standard Project Layout

Basic layout for Go applications.

Google Go Style Guide

Google's coding standards for source code in Go.

Uber Go Style Guide

Patterns and conventions used in Go code at Uber.

Apache Groovy style guide

Style guide for writing idiomatic Groovy code.

Haskell Programming guidelines

Best practices for Haskell programming.

Code Conventions for the Java™ Programming Language

Historical Java coding conventions.

Google Java Style Guide

Google's coding standards for source code in the Java™ Programming Language.

Java Programming Style Guide

Alibaba-Java-Coding-Guidelines

A guide for Java developers.

AngularJS Style Guide

Community-driven set of best practices for AngularJS application development.

JavaScript The Right Way

An easy-to-read, quick reference for JS best practices, accepted coding standards, and links around the Web.

Google JavaScript Style Guide

This document serves as the complete definition of Google's coding standards for source code in the JavaScript programming language.

Airbnb JavaScript Style Guide

A mostly reasonable approach to JavaScript.

jQuery Core Style Guide

JavaScript style rules for open-source contributors.

JavaScript Style Guides And Beautifiers

Roundup of JavaScript style guides and formatting tools.

JavaScript Style Guide and Coding Conventions

General JavaScript coding conventions and best practices.

Code Conventions for the JavaScript

A set of coding conventions and rules for use in JavaScript programming.

JavaScript Clean Code

Software engineering principles, from Robert C. Martin's book Clean Code, adapted for JavaScript.

Mozilla Coding Style Guide for JavaScript

Google JSON Style Guide

Recommendations for JSON formatting and usage.

Blue Style

Community style guide for Julia packages.

Coding Conventions

Official Kotlin coding conventions.

Lua Style Guide

Community Lua coding style guide.

Google Markdown Style Guide

Style guide for Google-originated projects using Markdown.

Markdown Style Guide

Practical guidelines for writing readable Markdown.

GitLab Markdown Style Guide

Markdown Style Guide for about.GitLab.com.

.NET Standard

Formal specification of .NET APIs that are available across .NET implementations.

.NET Secure Coding Guidelines

Guidance for writing secure .NET code.

.NET Naming Guidelines

Naming conventions for .NET libraries.

Nim Style Guide

Style conventions and RFC for Nim code.

Objective-C Style guide

Style guide & coding conventions for Objective-C projects.

Google Markdown Style Guide

Style guide for Google-originated projects using Markdown.

NYTimes Objective-C Style Guide

The Objective-C Style Guide used by The New York Times.

Coding style

Style recommendations for Free Pascal.

GNU Pascal Coding Standards

GNU Pascal standards used by GNU Pascal project.

Perl best practices v4

Slides by Randal Schwartz, based on the book by Damian Conway.

Perl Elements to Avoid

A list of unrecommended practices, and what to do instead.

perlstyle

Perl style guidelines.

PHP FIG

PHP Standards Recommendations.

PHP The Right Way

An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web.

Clean Code PHP

Clean Code concepts adapted for PHP.

Style Guide for Python Code

Official Python style guide (PEP 8).

Google Python Style Guide

Python coding standards.

The Hitchhiker's Guide to Python

Highly regarded Python best practices guide.

Google's R Style Guide

R style conventions.

The tidyverse style guide

Style guide for R code in the tidyverse.

How to Program Racket: a Style Guide

Style guidance for Racket programs.

The Ruby Style Guide

A community-driven Ruby coding style guide.

Ruby Style Guide

Airbnb's Ruby Style Guide.

Ruby Style Guide

A community-driven Ruby coding style guide.

Rust Style Guide

(Site, MIT) - Official Guide for Rust

Rust API Guidelines

Guidelines for designing public Rust APIs.

Effective Scala

Best practices and patterns for Scala.

Scala Style Guide

Official style guide for Scala code.

Databricks Scala Guide

Databricks Scala Coding Style Guide.

Scala Best Practices

Recommendations and patterns for Scala development.

Solidity Style Guide

Style guidelines for Solidity smart contracts.

Solcurity Standard

Security checklist and guidelines for Solidity smart contracts.

API Design Guidelines

API design principles for Swift.

Swift

GitHub Official Swift style and conventions.

Swift style guide

Community Swift style guide.

Swift Style Guide

LinkedIn Official Swift Style Guide.

Metova's Swift style guide

Swift style guide for Xcode (archived, deprecated 2022).

Xmartlabs Swift Style Guide

Swift language style guide & coding conventions followed by Xmartlabs.

Google TypeScript Style Guide

TypeScript Style Guide used at Google's.

TypeScript deep dive - Style Guide

An unofficial TypeScript Style Guide.

TypeScript Lang - Do's and Don'ts

Suggestions from TypeScript Lang organization.

Visual Basic Concepts

Concepts and coding practices for classic Visual Basic.

Visual Basic/Coding Standards

Coding standards for Visual Basic projects.

Google XML Document Format Style Guide

XML formatting and style guidance.

Shell Style Guide

Shell script style guide.

Git Style Guide

Git usage and style recommendations.

Few Rules from Git Documentation

Coding guidelines used in the Git project.

The PowerShell Best Practices and Style Guide

The Unofficial PowerShell Best Practices and Style Guide.

Android Guidelines

Architecture and code guidelines we use at ribot when developing for Android.

Xmartlabs Android Style Guide

Style guide for Android by Xmartlabs.

Apache Developers' C Language Style Guide

C language style guidelines for the Apache HTTP Server project.

HAL

A simple format that gives a consistent and easy way to hyperlink between resources in your API.

Microsoft REST API Guidelines

The Microsoft REST API Guidelines.

JSON API - Recommendations

This section contains recommendations for JSON API implementations.

API Security Checklist

Checklist of the most important security countermeasures when designing, testing, and releasing your API.

Google Cloud API Design Guide

A general design guide for networked APIs provided by Google.

Arduino style guide

General coding style guidance for Arduino.

API Style Guide for Arduino

CSS Guidelines

High-level advice and guidelines for writing sane, manageable, scalable CSS.

Frontend Guidelines

Some HTML, CSS and JS best practices.

Sass Guidelines

An opinionated styleguide for writing sane, maintainable and scalable Sass.

Airbnb CSS / Sass Styleguide

A mostly reasonable approach to CSS and Sass.

HTML Style Guide

A style guide which helps you write better, performant, structured, scalable and maintainable HTML.

HTML + CSS Code Guide

Standards for flexible, durable, and sustainable HTML and CSS.

U.S. Web Design Standards

Open source UI components and visual style guide for U.S. government websites.

CoffeeScript Style Guide

A collection of best-practices and coding conventions for the CoffeeScript programming language.

LESS Coding Guidelines

Google HTML/CSS Style Guide

by Google

Guidelines for Responsive Web Design

Guide to designing for screen size, platform, and orientation.

Yelp Styleguide

Design system for consistent product UI.

Front-End Checklist

Pre-launch checklist for front-end projects.

BEM - Block Element Modifier

A methodology that helps you to create reusable components and code sharing in front‑end development.

Web Content Accessibility Guidelines (WCAG) 2.1

Recommendations for making web content more accessible.

GNU coding standards

Coding and documentation standards for GNU software.

JavaEE Specification

Official specification for Java EE.

Linux kernel coding style

Coding style for the Linux kernel.

Mailchimp Content Style Guide

Content style guidelines for Mailchimp.

Mozilla Coding Style Guide

Coding style guidance for Mozilla projects.

Google-related developer documentation

This style guide provides editorial guidelines for writing clear and consistent Google-related developer documentation.

Microsoft + Node.js Guidelines

Engineering guidelines for building Node.js apps.

Node.js Style Guide

A guide for styling your Node.js / JavaScript code.

Mongo Style Guide

Style guidelines for MongoDB usage.

SQL Style Guide

SQL style and formatting guidelines.

Keep a CHANGELOG

Guidelines for writing human-readable project changelogs.

Project Guidelines

A set of best practices for JavaScript projects.

Semantic Versioning

Indent style

WebAppSec/Secure Coding Guidelines

Secure coding guidelines for web applications.

Robot Framework User Guide

Official Robot Framework user guide.

CodeQL Coding Standards

Symfony Coding Standards

Django Coding Style

Vue Style Guide

Angular Style Guide

WordPress Coding Standards

Drupal Coding Standards

Magento Coding Standards

Octobercms Developer Guide

Agents.md

A simple, open format for guiding coding agents.

Checkstyle

Tool for checking Java source code for adherence to a Code Standard or set of validation rules.

Conventional Changelog

Generate changelogs from Git commits.

EasyCodingStandard

The Easiest Way to Use Any Coding Standard.

ESLint

The pluggable linting utility for JavaScript and JSX.

JavaScript Standard Style

One JavaScript Style to Rule Them All.

Laravel Pint

An opinionated PHP code style fixer for minimalists.

PHP_CodeSniffer

The tool for detecting and fixing the violations of the specified standards in PHP code.

PHP Coding Standards Fixer

The PHP Coding Standards Fixer (PHP CS Fixer) tool fixes your code to follow standards.

RuboCop

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

semantic-release

Automated versioning and publishing from commits.

ShellCheck

A shell script static analysis tool.