There are many finite state machine implementations for Ruby, and they all provide a nice DSL for declaring events, exceptions, callbacks, and all kinds of niceties in general. But if all you want is a finite state machine, look no further: this has less than 50 lines of code and provides everything a finite state machine must have, and nothing more.
 Popularity
Downloads
1,017,368
Stars
454
Forks
44
Watchers
17
 Releases
Current version
3.0.0
Total releases
16
First release
Latest release
 Issues
Open
1
Closed
8
Total Issues
9
Closure Rate
88%
 Pull Requests
Open
1
Rejected
15
Merged
16
Acceptance Rate
50%
 Development
Primary Language
Ruby
Licenses
MIT
Average date of last 50 commits
more than 2 years ago
Reverse Depencencies
11