Online invoicing service that uses PayPal API.
Dropcash allows you to setup campaigns to raise money (charity, a trip, gift, etc). Service uses TypeKey for user management and PayPal for handling your funds.
|E-junkie Shopping Cart|
Shopping cart and Buy Now buttons for selling downloads and goods on your site, eBay, MySpace, Google Base, CraigsList etc. using PayPal, Google Checkout, Authorize.Net, TrialPay, 2CheckOut, and ClickBank.
|PayPal, GoogleCheckout, GoogleBase, EBay, Authorize.Net|
|eDigiCash Shopping Cart|
Embedded shopping cart with integrated payment gateway. Allows anyone, anywhere to sell tangible goods, digital products, and memberships from a website.
|PerfectMoney, PayPal, Moneybookers, LiqPAY, LibertyReserve, GoogleCheckout, Coinbase, BlockchainBlockExplorer, BitPay, Authorize.Net|
FastCashier Wallet is a cross-platform that allows payment and receipts to be made through a portal. It serves as an electronic alternative to traditional paper methods such as cheques and money orders. Every process of it is simple, secured; in real-time, and it can either be used on a mobile device or PC.
|Paymentwall, PaymentVisionPay, PaymentsGateway|
itDuzzit's FreshBooks Notifier lets FreshBooks users send and receive text and email notifications when important events occur, such as when a payment is received, overdue or disputed. Graphical editor lets advanced users create their own custom rule-based notifications for over 60 specific FreshBooks events.
|Give 1 Get 2: Moneybookers Exchange|
Give1Get2 is an online trading platform based on win-win-win strategy. Users can do online payment and receive money with the Payment Service Provider (Moneybookers API). The PSP is regulated by the Financial Services Authority (FSA) of the UK.
|LevelUp for Pebble|
Payment app powered by LevelUp’s API leveraging the Pebble Smartwatch.
Online Alternative Trading System (ATS) with Paypal Express Checkout API. Available on sourceforge.
|PayPal for Thrutu|
PayPal for Thrutu allows you to transfer money securely between PayPal accounts while on the phone. Awarded 2nd place in PayPal's Developer Challenge.
|PayPal Refunds Made Easy - MassRefunds|
Online service that lets you issue bulk refunds from your PayPal account. Also, search your transaction history and view transaction details.
PoxPay lets you pay with your voice through your PayPal account. This is done using voice biometric technology to uniquely identify and authorize purchases you make.
|TwilioSMS, Twilio, PayPal|
Sportmeets connects online users who love sports so that they can meet, organize their teams and events and compete offline.
|MaxMindGeoIP, Facebook, Bit.ly, PayPal, Twitter|
|Twippr Twitter Payments|
Twippr is a safe, simple way to send and receive money online, using direct private messages from your Twitter account. Accept Twippr micropayments to save Paypal fees.