A list of requirements for BeWelcome:

• profiles
  • location
  • translated profile text

• member connections
  • "special relations" (equivalent to friends network),
  • contacts (address book)
  • notes about people,
  • comments
  • trust
  • verification

• groups
  • membership
  • membership parameters (i am in group cars. i tick the "porsche" checkbox)
  • group forum
  • relations between groups: subgroup, related group...
  • group chat?

• forum
  • should be mostly part of the groups
  • possibility to translate single posts.
  • tagging or crossposting

• events
  • location
  • time
  • please bring, who can host, who needs a ride, etc

• i18n
  • all text should be i18nal

• searchmembers
  • map search
  • different other criteria

• wiki
  • for a travel guide

• chat
  • don't care

see also FrameworkComparison