The best replacement for highrise is salesforce.

The best alternatives to highrise are rated as following:
★★★★★  salesforce
★★★★  basecamp
★★★  zoho
★★★  capsule
★★  daylite
★★  nimble
★★  base crm
★  batchbook
★  sugarcrm
★  podio
★  insightly
★  high-rise
★  pipedrive
  nutshell
  skyscraper
  high rise
  midrise

Your alternative for highrise is not listed? Suggest!
Speaking about highrise, one probably shouldn't forget about basecamp.

Other search terms related to highrise and their ratings are:
★★★★★ basecamp
You have in mind a companion for highrise and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of highrise in all years. Click on graph for more.
highrise
salesforce
basecamp