Has anyone looked at the big list o' Powershell aliases? This is from the section containing wget and curl:

...

// Porting note: #if !UNIX is used to disable alises for cmdlets which conflict with Linux / OS X

#if !UNIX

                    // ac is a native command on OS X

                    new SessionStateAliasEntry("ac",
                        "Add-Content",     "", ScopedItemOptions.ReadOnly | ScopedItemOptions.AllScope),

...

                    new SessionStateAliasEntry("cpp",
                        "Copy-ItemProperty",   "", ScopedItemOptions.ReadOnly | ScopedItemOptions.AllScope),

                    new SessionStateAliasEntry("diff",
                        "Compare-Object",  "", ScopedItemOptions.ReadOnly | ScopedItemOptions.AllScope),
            

...