- Active Record Pattern
- Attractor
- Bridge Pattern — Handle Pattern
- each
- Entity
- ERB – eRuby – Embedded Ruby
- Monads
- Null Object Pattern
- Process Object Pattern
- REPL: Read–Eval–Print Loop
- Representational State Transfer (REST)
- Ruby Releases
- Serialize
- Signals
- Sinatra
- Symbolic functional decomposition method for implementation of finite state machines in FPGA Devices
- Things that Make Blocks Special