| Perforce | 9 | 22 |
| Performance Indicator System Project | 1 | 1 |
| Perfree | 1 | 4 |
| Perfsonar | 2 | 8 |
| Perials | 1 | 1 |
| Perimeter81 | 1 | 1 |
| Periscopeholdings | 1 | 1 |
| Perkinelmer | 1 | 3 |
| Perl | 11 | 60 |
| Perl Crypt::Jwt Project | 1 | 1 |
| Perl-Archive-Zip Project | 1 | 1 |
| Perl-Crypt-Jwt Project | 1 | 1 |
| Perl-Httpd | 1 | 1 |
| Perl-Mailtools | 1 | 1 |
| Perl-Openssl | 1 | 1 |
| Perlbal | 1 | 2 |
| Perlblog | 1 | 3 |
| Perlbot | 1 | 2 |
| Perlcoders Group | 1 | 1 |
| Perlmailer | 1 | 1 |
| Perlmonks | 1 | 1 |
| Perlpodder | 1 | 2 |
| Perlspeak Project | 1 | 1 |
| Perltidy Project | 1 | 2 |
| Perlunity | 2 | 2 |
| Permadi | 1 | 1 |
| Permalink Manager Lite Project | 1 | 9 |
| Permalink Manager Project | 1 | 2 |
| Permis | 1 | 1 |
| Perry Kiehtreiber | 1 | 1 |
| Perrymitchell | 1 | 1 |
| Persian Car Cms Project | 1 | 1 |
| Persian Vip Download Script Project | 1 | 1 |
| Persis | 1 | 1 |
| Persism Cms | 1 | 1 |
| Persistent Systems | 1 | 2 |
| Persits | 2 | 5 |
| Personal .Net Portal | 1 | 1 |
| Personal Blog Cms Project | 1 | 1 |
| Personal Video Collection Script Project | 1 | 1 |
| Personal-Management-System | 1 | 3 |
| Personify | 1 | 2 |
| Personifycorp | 1 | 1 |
| Personnel Property Equipment System Project | 1 | 2 |
| Personnummer | 1 | 1 |
| Pescms | 1 | 7 |
| Pesign Project | 1 | 2 |
| Peta | 1 | 1 |
| Petabi | 1 | 1 |
| Pete Werner | 1 | 1 |
| Pete4Abw | 1 | 1 |
| Peter Astrand | 1 | 2 |
| Peter D. Gray | 1 | 1 |
| Peter Hocherl | 2 | 2 |
| Peter Kohlmann | 1 | 2 |
| Peter Kovacs | 1 | 1 |
| Peter Pokrivcak | 1 | 2 |
| Peter Proell | 2 | 2 |
| Peter S Galbraith | 1 | 1 |
| Peter Sandvik | 1 | 1 |
| Peter Wolanin | 1 | 5 |
| Peter'S Collaboration E-Mails Project | 1 | 1 |
| Peterbutler | 1 | 1 |
| Petereport Project | 1 | 3 |
| Peterkeung | 1 | 1 |
| Peteroupc | 1 | 2 |
| Peters Software | 2 | 2 |
| Peterselie | 1 | 6 |
| Petersplugins | 2 | 3 |
| Petersterling | 1 | 1 |
| Petitforum | 1 | 2 |
| Petition Project | 1 | 1 |
| Petl Project | 1 | 1 |
| Petraware | 1 | 1 |
| Petris | 1 | 1 |
| Petrk94 | 1 | 1 |
| Petroleum Management Software Application Project | 1 | 1 |
| Petwant | 1 | 9 |
| Pev Project | 1 | 1 |
| Pexip | 4 | 44 |
| Pexlechris | 1 | 2 |
| Pf4J Project | 1 | 3 |
| Pfg Project | 1 | 1 |
| Pfizer | 2 | 2 |
| Pfsense | 7 | 23 |
| Pfstools | 1 | 1 |
| Pg | 1 | 1 |
| Pg-Native Project | 1 | 1 |
| Pgadmin | 1 | 2 |
| Pgbouncer | 1 | 4 |
| Pgbouncer Project | 1 | 1 |
| Pghero Project | 1 | 2 |
| Pgina | 1 | 1 |
| Pgm Coin Project | 1 | 1 |
| Pgobject-Util-Dbadmin Project | 1 | 1 |
| Pgosd | 1 | 1 |
| Pgp | 14 | 32 |
| Pgpdump Project | 1 | 1 |
| Pgpi | 1 | 1 |
| Pgpool | 2 | 3 |
