A complete accounting software can be difficult to manage. Gimbla means you only have a few things to understand to get your system up and running and that will take minimal time to maintain.
Cost / License
- Free
- Proprietary
Platforms
- Online



Invoice Ninja is described as 'Free, open-source invoicing tool with PDF generation, online payment support, invoice templates, multi-gateway integration, and business customization options' and is a Time Tracking tool in the business & commerce category. There are more than 100 alternatives to Invoice Ninja for a variety of platforms, including Web-based, SaaS, iPhone, Mac and Windows apps. The best Invoice Ninja alternative is Summit Finance, which is both free and Open Source. Other great apps like Invoice Ninja are Cattr, Midday, Clockify and InvoicePlane.
A complete accounting software can be difficult to manage. Gimbla means you only have a few things to understand to get your system up and running and that will take minimal time to maintain.



Invoicing Studio is a free online invoice generator that works entirely in your browser. Create a clean, professional invoice and download it as a PDF in under a minute. No sign-up, no watermark, and your data never leaves your device.

SlothTracker is a Java-based, offline time tracking tool for Mac, Windows and Linux desktops.



Zap Bill is a simple invoicing tool that helps freelancers and small businesses create professional invoices in seconds. Send invoices, track payments, and keep your billing organized without complicated accounting software.



InvoiceCast helps freelancers, contractors, consultants, and small businesses create professional invoices, calculate taxes, track expenses, and manage clients in one simple workspace. It supports US sales tax tools as well as Canadian GST/HST, QST, and PST.


Heynote! digitizes your order processing. With just a few clicks, you can record working hours, activities, materials used, and photos directly at the customer's site.




Invoice Candy is a free platform that allows users to generate, download, and send invoices, estimates, and receipts for free! Currently our app supports 13 languages, 18 currencies, and allows for users to apply specific tax rules to their invoices.




Swiss invoicing and bookkeeping app for freelancers and SMEs - create QR-bill invoices in seconds, track expenses, import bank statements, and keep VAT-ready books.




Invoice Simple is the perfect invoice maker for small business owners, contractors and freelancers needing a simple and professional mobile invoice app. Create, send and track invoices and estimates easily on your phone.




The AI-native system of record for high-velocity teams. NewLedger replaces legacy accounting with an immutable, forensic-grade ledger featuring cryptographic hashing and autonomous fiscal governance.




StipFactuur is an invoicing and administration platform for freelancers and small businesses.


