Alternativ till TrackYourTime för Ruby med gratis licens

• Ruby
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Safari Internet Explorer Chromium Python Windows Mobile Java Mobile Slack Microsoft Office Outlook iOS Apple Messages Chrome Ruby RubyGems
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens