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Tools for bookkeeping and invoicing

The problem, in plain words: “Ich brauche ein kostenloses Buchhaltungstool, das eine Überschussrechnung ermöglicht und mit dem ich Rechnungen schreiben kann.”

No tool in the catalog fully fits this yet.

You want a free tool that supports cash-basis profit reporting and can create/send invoices.

Updated August 2026.

Partly fits

Rechnungs-Assistentpartial · 55

A free Linux invoice generator built for freelancers in Germany that can create PDF invoices and XRechnung XML files.

Won’t cover: It focuses on invoice creation and XRechnung output and does not present itself as a bookkeeping tool that produces Überschussrechnung reports.

Invoisopartial · 55

Free offline invoicing app that creates professional PDF invoices with no signup required, suitable for freelancers and small businesses.

Won’t cover: It is primarily an invoice generator and does not claim built-in cash-basis (Überschussrechnung) bookkeeping or automated profit-and-loss statements.

Managerpartial · 54

Free desktop accounting software with comprehensive bookkeeping features for small businesses available on Windows/Mac/Linux.

Won’t cover: The product is a general accounting package and does not explicitly advertise a German-labelled cash-basis Überschussrechnung workflow tailored to German reporting rules.

GnuCashpartial · 50

Mature, free double-entry accounting software for small businesses that can track income/expenses and generate reports.

Won’t cover: GnuCash is a general accounting tool and does not explicitly provide a German-specific Überschussrechnung workflow or invoicing tightly integrated with local e-invoicing rules.

Nothing fully fits this yet

No free tool here directly combines German cash-basis bookkeeping and invoice sending.

Questions

Is there a tool that fully solves this?

Not fully, yet. No free tool here directly combines German cash-basis bookkeeping and invoice sending.

What won't these tools cover?

It focuses on invoice creation and XRechnung output and does not present itself as a bookkeeping tool that produces Überschussrechnung reports. · It is primarily an invoice generator and does not claim built-in cash-basis (Überschussrechnung) bookkeeping or automated profit-and-loss statements. · The product is a general accounting package and does not explicitly advertise a German-labelled cash-basis Überschussrechnung workflow tailored to German reporting rules. · GnuCash is a general accounting tool and does not explicitly provide a German-specific Überschussrechnung workflow or invoicing tightly integrated with local e-invoicing rules.

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