Integrating PostgreSQL with GraphQL is a growing trend, and six notable projects aim to bridge these technologies, each offering varying levels of automation and customization. Database-focused solutions like Hasura and PostGraphile provide automatic schema creation and high-performance resolvers, with Hasura offering a robust management UI and PostGraphile emphasizing reusing PostgreSQL's native features. Prisma, when used with GraphQL Nexus, enables developers to generate type-safe database clients and CRUD operations efficiently. On the other hand, schema-focused approaches like Node.js API Starter Kit, graphql-sequelize, and Join Monster require manual schema creation but offer flexibility and control for developers familiar with Node.js and SQL. These tools cater to different needs, from those preferring minimal setup to those desiring more control over their API architecture, and are all open source, with some offering paid support or enterprise versions.