Fleiss and Zahm's collaboration has resulted in many side projects:

Purple Prose – published from October 1992 to winter 1998 (13 issues). Purple Fiction – a literary magazine published between 1995 and 1998 (4 issues). Purple Fashion – published between 1995 - 1998 (4 issues), and 2004 - (present). Purple Sexe – a magazine devoted to sexuality, published between winter 1998 and 2001 (8 issues). The magazine was reborn as a one-off appendix for Purple Fashion Fall/Winter 2008/09, dedicated to Italian porn star Rocco Siffredi. Purple – a fusion of Purple Prose, Fiction, Fashion, and Sexe; published between summer 1998 and 2003 (16 issues). Purple Books – a publishing house (1998–2001) Purple Gallery – a Parisian art gallery Purple Journal – a cultural magazine published 2004 - (present) in a French and an English version. Since 2004, Purple is divided in two different publications; Purple Fashion magazine (edited by Zahm and published by Purple Institute) and Purple Journal (edited by Fleiss and Sébastien Jamain, published by Les Editions Purple).

Purple Fashion's artist's books Since its second issue, each number of Purple Fashion comes with an artist's book:

No.2 – Terry Richardson: Terry No.3 – Richard Prince: The Hippie drawings No.4 – Hedi Slimane: Interzone No.5 – Juergen Teller: Ed in Japan No.6 – Rita Ackermann: Good morning New York No.7 – Helmut Lang: Selective memory series No.8 – Dash Snow: You can't drink it if it's frozen No.9 – Christophe Brunnquell: Annees Erotiques No.10 – Harmony Korine: Pigxtras No.11 – Marlene Marino: Cuba 2009 No.12 – Ari Marcopoulos: Debris No.13 – Aurel Schmidt: Pussy No.14 – Vincent Darre: Vincent No.15 – Thurston Moore: Street Mouth No.16 – Katja Rahlwes: Full Moon No.17 – No.18 – No.19 – Ryan McGinley: The Journey is the Destination