Create groups, clients, categories and add data to it.
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Giftbit Payment API - Stripe for gift cards
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Raise - The easiest way to save money on the go
KeePass - KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.
Gemnote - Handwritten cards & premium custom gifts for companies