This document discusses various technologies used in software development including Active Record for object-relational mapping, Grape for building APIs, Cron for scheduling tasks, Redis for caching, Rake for building tasks and services, HTTP for network communication, Workers for background jobs, Entities for application data, Roles for user access control, a DB for data storage, Listeners for monitoring events, and Events for decoupling application components.

1. Active
Record
Use Cases
Grape
API
ControllersCron
Redis
Rake
HTTP
Services
Workers
R
Entities
Roles
DB
Listeners
Events