TOOLS4COM OIS
With TOOLS4COM OIS you can create periodic invoice templates (half-yearly, monthly, quarterly, yearly or every X days) for your subscriptions and customer contracts. TOOLS4COM OIS automatically does the currency conversions for you. No other small business solution can match the simplicity and precision that TOOLS4COM OIS gives you. Invoice serving as an estimate of the amount that will be invoiced to the customer if he accepts the conditions that this "invoice-quote" contains. The pro forma is also an important document in carrying out international trade operations. This document will be part of the documentary bundle that will circulate during the export or import of goods as well as in the implementation of a documentary credit.
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BillSend
BillSend makes it simple for tradespeople to send professional quotes and invoices — no accounting software required. Every document is automatically branded with your logo, colours, and contact details. Quotes convert to invoices in one click, with no duplicate data entry.
Customers approve quotes via a shareable link — no login needed — and pay directly through the invoice using Stripe. A pipeline view shows the status of every quote and invoice: sent, viewed, approved, or overdue, with automated reminders so you're not chasing payments manually.
Works across mobile and desktop, supports multiple currencies for international clients, and includes reusable templates for repeat jobs. A free invoice generator and quote calculator are also available without creating an account.
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Hello Invoice
Hello Invoice is a modern invoicing platform designed specifically for freelancers, contractors, creators, and small service-based businesses. Create and send professional invoices and estimates in seconds, automate recurring billing, accept online and offline payments, track activity, and reduce admin overhead so you can focus on your work, not your paperwork.
Unlike generic tools built for everyone, Hello Invoice is purpose-built for solo professionals.
It offers just the right features:
- Invoices and estimates
- Tax calculations per line item or total
- Branded templates
- Real-time previews
- Smart reminders
- Estimate/quote approvals
- Live notifications when invoices are viewed or paid
Each customer has a dedicated dashboard with payment history, notes, and performance insights. Whether you’re managing one client or many, Hello Invoice gives you a clear view of your money, streamlined workflows, and the tools you actually need — nothing more, nothing less.
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StitchInvoice
StitchInvoice is invoicing and client-document software for independent businesses and freelancers who bill clients directly, not for bookkeepers. It covers the full client-facing flow: quotes, estimates, proposals, contracts, invoices, receipts and credit notes, each with a live preview and a clean PDF.
Card payments run on your own connected Stripe account. The charge is created directly on your account, so only Stripe's standard processing fee applies and no platform sits between you and your payout.
Requirements Memory lets you set how each client must be billed once (billing email, PO format, terms, currency) and applies it to every future invoice. A Payability Check flags common reasons an invoice gets delayed before you send. On the Pro Autopilot plan, reminder sequences run before and after the due date and stop when payment lands, and recurring invoices handle retainers.
StitchInvoice is not accounting software: no chart of accounts, no inventory, no tax filing.
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