I have these installed in Sand and they are fine. These will expand the features of Drupalchat, User Relationships and Invite Modules.
I am enabling all four below.
Flag | 7.x-2.0 | Create customized flags that users can set on content.
Required by: Flag actions (disabled), Flag friend (disabled), Flag friend access control (disabled)
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Flag actions | 7.x-2.0 | Execute actions on Flag events.
Requires: Flag (disabled)
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Flag friend | 7.x-1.0-alpha9 | Flag users as friends. Implements it’s own flag and a form for sending a user a message upon flag.
Requires: Flag (disabled)
Required by: Flag friend access control (disabled)
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Flag friend access control | 7.x-1.0-alpha9 | Allows users to specify that only their friends can view this piece of content
Requires: Flag friend (disabled), Flag (disabled)
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