Doctrine 2 vs SQLAlchemy: What are the differences?

Doctrine 2: An object-relational mapper (ORM) for PHP 5.3.2+ that provides transparent persistence for PHP objects. Doctrine 2 sits on top of a powerful database abstraction layer (DBAL). One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernates HQL; SQLAlchemy: The Python SQL Toolkit and Object Relational Mapper. SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.

Doctrine 2 and SQLAlchemy belong to "Object Relational Mapper (ORM)" category of the tech stack.

SQLAlchemy is an open source tool with 3.34K GitHub stars and 888 GitHub forks. Here's a link to SQLAlchemy's open source repository on GitHub.

WakaTime, YOU-app, and MonkeyLearn are some of the popular companies that use SQLAlchemy, whereas Doctrine 2 is used by Vend, LinkORB, and zombakka. SQLAlchemy has a broader approval, being mentioned in 34 company stacks & 29 developers stacks; compared to Doctrine 2, which is listed in 35 company stacks and 12 developer stacks.