Direct or Indirect Influences of Gnosticism

Manichaeism - "exoteric" version of Gnosticism

Sefer Yetzirah (essentially, a work of Jewish non-antiworldly Gnosticism)

Alchemy (during the early Christian era)

Suhrawardi

Sefer Zohar (through various second and third-hand sources)

Lurianic Kabablah (or indirect formulation of identical themes)

Western Hermetic Tradition

Theosophy (through Blavatsky)

C.G. Jung (greatly inspired by Gnostic concepts)