RTwitter

You can use REST and Streaming API.

How to use ?

• Require
  require'RTwitter'

• New Instance
  If you have access_token and access_token_secret
  rt = RTwitter.new(ck,cks,at,ats)
  If you don't have...
  rt = RTwitter.new(ck,cks)
puts rt.request_token
rt.access_token(pin)

• POST request
  result = rt.post(endpoint,{parameter => value})
  example...
  endpoint = 'statuses/update'
parameter = 'status'
value = 'Hello World!'

• GET request
  result = rt.get(endpoint,{parameter => value})
  example...
  endpoint = 'users/show'
parameter = 'screen_name'
value = 'CIA'

• Streaming
  rt.streaming(endpoint,{parameter => value}){|status| p status }
  example...
  endpoint = 'statuses/filter'
parameter = 'track'
value = 'Hello'