EOSIO is a blockchain designed to facilitate the operation of decentralized applications (dapp).
A lightweight and flexible command-line JSON processor.
Hapi is a rich and open source Node.js framework. Hapi is a rich framework for creating applications and services. It allows developers to focus on writing reusable application logic instead of wasting time creating infrastructure.
Hasura's GraphQL engine is an ultrafast GraphQL server that gives you real-time, snapshot GraphQL APIs over Postgres, with webhook triggers on database events and remote schemas for business logic.
Modern command line HTTP client – user-friendly curl alternative with intuitive UI, JSON support, syntax highlighting, wget-like downloads, extensions, etc.
PostgreSQL is a powerful open source object relational database system that uses and extends the SQL language combined with many features that securely store and scale the most complicated data workloads.
It enables developers to test calls to APIs. Postman users enter data. The data is sent to a special web server address. Typically, information is returned, which Postman presents to the user.