billmatic
billmatic is cloud-based invoicing, e-invoicing, and accounting software for freelancers, agencies, founders, self-employed professionals, and small businesses in Germany. The platform helps users create quotes, invoices, ZUGFeRD e-invoices, payment reminders, and DATEV exports in one web-based workflow. billmatic includes customer management, company management, product management, incoming invoice management, invoice history, dunning management, CSV export, automated email import for incoming invoices, and API access for integrations with external systems. The software is built for businesses that want a practical alternative to complex accounting or ERP tools and need a simple way to manage billing, receivables, documents, and accounting preparation. With its API, billmatic can be connected to internal tools, custom workflows, and solutions such as PageBot for chat-based invoice creation. billmatic is developed by ujamii GmbH in Dresden, Germany.
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Billbooks
Billbooks is invoicing software built for freelancers, agencies, and small businesses that want to get paid faster without wrestling with complicated tools. Create and send professional invoices in under a minute using customizable templates, then track exactly when each one is viewed, paid, or overdue.
Basic starts at $7.95/month, built for freelancers, with unlimited invoices, estimates, and expenses. Standard, at $14.95/month, adds more users, clients, and projects for growing teams. Both include the full feature set: auto-save, card scanning, QR codes and digital signatures, credit notes, billable expenses, proforma invoices, multi-currency reporting, and multi-organization support.
Billbooks also supports invoicing in German, French, Spanish, and Dutch, plus a business snapshot dashboard for cash flow at a glance. Free invoice, quote, and receipt templates are also available if you just need a one-off document.
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InvoiceSent
InvoiceSent is an innovative cloud-based invoicing platform for freelancers, consultants and small businesses. Create professional invoices, manage clients, accept payments and track your finances in one place.
Features:
· Branded invoices with logo
· Live invoice preview
· VAT, GST and sales tax calculation
· Duplicate and recurring invoices
· Stripe and PayPal payment links
· Automatic and manual payment tracking
· Sent, paid, unpaid and overdue statuses
· Payment history and balance tracking
· Revenue and overdue balance overview
· Client profiles, search and statements
· Quick-add clients
· Multi-business support
· Shareable invoice links
· No client login required
· Payment reminders
· Product catalogue and reusable items
· Prices and tax rates
· Quote support
· Tax summaries and filing periods
Designed to be simple by default, InvoiceSent keeps invoices, clients, payments, tax information and overdue balances organised without unnecessary complexity
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Remitae
Remitae is an automated invoice reminder tool for freelancers and small service businesses. Stop chasing unpaid invoices manually — set your reminder schedule once and Remitae handles all follow-ups automatically. Send reminders in a consistent tone (professional, friendly, or firm), track invoice status in real time, and know exactly what's paid, pending, or overdue at a glance. Remitae is built for consultants, freelancers, and small teams who invoice clients regularly and want to get paid faster without awkward manual chasing or relying on spreadsheets and memory. Most invoice tools stop at sending the invoice — Remitae focuses on what happens after. Set it once, and your follow-up runs automatically until the invoice is paid.
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