vcita is an all-in-one small business management app with easy-to-use tools for managing clients, money and time. It's got online invoicing and estimating, payment processing, and automated followup to get you paid on time. It also has a CRM for managing client relationships, online scheduling and business and team calendar.
Another good option is oto, a full-featured financial management tool for freelancers. OTO handles proposals, contracts, invoices and time tracking in one service, automatically generating the documents based on hours worked. It also has tools for managing client relationships and for processing payments through Stripe and PayPal integration.
If you're looking for an accounts receivable (AR) focused option, Billtrust offers an artificial intelligence-powered platform for streamlining the order-to-cash process. It automates credit approval, integrates with e-commerce sites with AI-powered integration, automates invoicing and offers multiple payment options to help you get paid faster and improve customer satisfaction. It integrates with many ERPs and other systems for a unified interface.
Last, Fiskl offers an AI-powered multi-currency accounting tool that handles more than 170 currencies and offers invoicing, payments and automatic bank synchronization. It can link to multiple financial institutions and integrates with Stripe for managing multi-currency bulk payouts, so it's good for small businesses and freelancers who want to simplify their accounting.