MakePlans is a user-friendly scheduling system for appointment booking and event registration(makeplans.com)

Online scheduling for appointment booking and event signups. Flexible solution with API and many integrations. Take payments, send reminders and customise the booking experience.

databases

• PostgreSQL

background job libraries

• Sidekiq

testing tools

• Minitest

frontend frameworks

• jQuery

deployment tools

• Heroku

asset pipelines

• Sprockets

template engines

• ERB
• Liquid
• Mustache

cache store implementations

• Redis

realtime frameworks

• Pusher

ruby implementations

• MRI Ruby (CRuby)