Luumin is free for individual use, or $9 per month for full team collaboration functionality.

  Solo (free) Pro
Fully-featured to-do list Yes Yes
Contextual communications Yes Yes
Mentor support system Yes Yes
Communicate in context with colleagues Yes Yes
Mobile web app Yes Yes
Data export Yes Yes
Setup team environments No Yes
Manage team membership No Yes
Share and manage team lists No Yes
Helpdesk support No Yes
  Sign up Buy