Nault
Open source and advanced wallet for web, mobile via web and desktop. Robust features including rep management, Ledger support, multiple accounts and more.
Note: Nault for mobile is only available via the web, not in the app stores
Kappture
Point of Sale systems built to accept nano and trusted by large event organisers and businesses worldwide
Bitrequest
Create and share payment requests for cryptocurrencies
Nandro
Open source point of sale with NFC support.