Mateusz G

I've the same issue - Alfred can't find several apps in my /Applications folder. Using Alfred Metadata I'm getting:

/Applications/Sourcetrail.app

Internal File Metadata
======================

 Display Name: 
    Alt Names: 
    File Type: 
     Comments: 
     Keywords: 
    Last Used: 

Raw mdls File Metadata
======================

kMDItemFSContentChangeDate = (null)
kMDItemFSCreationDate      = (null)
kMDItemFSCreatorCode       = ""
kMDItemFSFinderFlags       = (null)
kMDItemFSHasCustomIcon     = (null)
kMDItemFSInvisible         = 0
kMDItemFSIsExtensionHidden = (null)
kMDItemFSIsStationery      = (null)
kMDItemFSLabel             = (null)
kMDItemFSName              = (null)
kMDItemFSNodeCount         = (null)
kMDItemFSOwnerGroupID      = (null)
kMDItemFSOwnerUserID       = (null)
kMDItemFSSize              = (null)
kMDItemFSTypeCode          = ""

Application (SourceTrail) can be found on github: https://github.com/CoatiSoftware/Sourcetrail