具有免费许可证的Linux版Fix-a-time的替代品

• Linux
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) jQuery Windows Mobile Slack Microsoft Office Outlook Chrome Google Calendar Google Apps Microsoft Exchange Server Apple Calendar
• 免费许可证
  任何牌照 免费许可证 开源许可证 商业牌照