Lightweight wallet Coinomi, working with electrum-servers, currently supports Novacoin.

Currently running electrum-servers:

• 91.230.121.159
  91.230.121.169
  185.61.38.40 (from Balthazar)
• 185.81.167.185 (from fsb4000)
• 178.22.51.250 (fom alpet)
• node.novacoin.karelia.pro (from svost)