Package filtering in Repology is very flexible, so you can combine all kinds of conditions. But here are some preset queries to start with:
This maintainer is active in the following repositories:
There are 8 known problems for packages maintained by gng@cpan
There are 16 total package(s) for 8 distinct project(s) known.
perl:ars-simple, perl:date-weekofyear, perl:file-log, perl:lotusnotes-loadexport, perl:servicenow-simple, perl:spreadsheet-basicread, perl:spreadsheet-basicreadnamedcol, perl:spreadsheet-writeexcel-extended-fitcolumnwidth