Vishwakarma is the celestial architect and craftsman deity. Tvastar was the name of the craftsman deity in early literature, while "Vishvakarma" was an appellation for any great deity. Vishvakarma gained the name of the craftsman god in later traditions.
Shani is one of the nine heavenly objects (Navagraha) in Hindu astrology. He is a krishna incarnation. In the Brahma Vaivarta Purana, Krishna calls himself Shani, the planet.
Tulsi, Tulasi (Holy Basil), or Vrinda is a Hindu sacred plant. It is seen as an early manifestation of Tulsi/Vrinda, the avatar of Lakshmi and hence Vishnu's consort.