composer initfor initial setup- https://getcomposer.org - Composer website and documentation
- https://getcomposer.org/doc/05-repositories.md - Repositories documentation
- https://getcomposer.org/doc/articles/versions.md - Version constraint documentation
- https://getcomposer.org/doc/articles/scripts.md#writing-custom-commands - Composer "scripts"
- https://packagist.org - Public Composer package repository
- https://packagist.com - Private packagist
- https://getcomposer.org/doc/articles/handling-private-packages-with-satis.md - Satis: open source, static, private repository
- https://jfrog.com/article/php-composer/ - Artifactory as a composer repository
- https://thephpleague.com/ - PHP League components
- https://symfony.com/components - Symfony components
- https://framework.zend.com/ - Zend components
- https://www.php-fig.org - Framework Interoperability Group
- https://www.php-fig.org/psr/psr-1/ - Coding standards
- https://www.php-fig.org/psr/psr-2/ - Coding standards
- https://www.php-fig.org/psr/psr-4/ - Autoloading
- https://github.com/php-pds/skeleton - Create basic project skeleton
composer require --dev pds/skeletonand./vendor/bin/pds-skeleton generateto generate a skeleton- https://github.com/thephpleague/skeleton - Another skeleton from PHP League
- https://choosealicense.com/ - For help in choosing/understanding open source licenses
- https://semver.org/ - For help in tagging version of your lib or understanding dependency's tags
- https://keepachangelog.com - For help with CHANGELOG.md file formatting
- https://www.gitignore.io/ - For help with .gitignore file
- https://www.reddit.com/r/PHP/comments/2jzp6k/i_dont_need_your_tests_in_my_production/ - About .gitattributes file
- https://help.github.com/articles/setting-up-your-project-for-healthy-contributions/ - GitHub docs on issue templates, CONTRIBUTING.md doc, etc.
- https://shields.io/ - For README badges
- https://phpunit.readthedocs.io - PHPUnit Manual
- https://github.com/squizlabs/PHP_CodeSniffer - PHP CodeSniffer (for checking/fixing code styles)
- https://travis-ci.org - Managed CI system for open source projects (free)