Prisma is a performant open-source GraphQL ORM-like layer doing the heavy lifting in your GraphQL server. It turns your database into a GraphQL API which can be consumed by your resolvers via GraphQL bindings.
GraphQL Playground is an IDE for working with GraphQL APIs to write queries, mutations & subscriptions with features like auto-completion, error handling and team collaboration. The Playground can be used as a web-based version or standalone on all desktop platforms.
Hasura GraphQL Engine gives you instant high-performance realtime GraphQL on any Postgres database (existing or new).