Apps similar to Invoice Ninja include Summit Finance, which is free and open source. Other options are Cattr, Midday, Clockify and InvoiceFeed. There's no shortage of Invoicing Software like Invoice Ninja, with more than 100 alternatives for the web, iPhone, Mac, Windows and Android.
Punch is a web-based time-tracker with practical insights to improve your productivity and billing. It's useful for businesses, freelancers, start-up teams and more. Track your time per-client and per-project. Get instant suggestions on what to work on next.
full-stack Electron + Angular desktop application featuring on-device AI invoice processing and a context-aware financial chat assistant.
India
Chronify is a Time Tracking Tool, which automatically assigns the time to your project based on documents, applications and keywords.
TimeTiker is a local-first time-tracking desktop app for Windows that helps you log work hours and manage projects while keeping your data fully private.
Switzerland
The world's lightest invoicing app. Slimvoice redefines the lightweight app – from the engineering to the design – so that you can spend less time sending and more time receiving. No need to compose emails and attach invoices manually.
InvoiceAtlas is a free online invoice generator designed for freelancers, self-employed professionals, contractors, and small businesses. Users can create professional invoices directly in their browser, customize invoice details, add taxes and currencies, and download invoices...
numlr is a free expense, invoice, and mileage tracking app for freelancers, contractors, and the self-employed. It brings the everyday money tasks of running a one-person business into one place, so records stay organized and ready for tax time.
Canada
A desktop invoicing app with built-in AI that runs entirely on your machine. No accounts. No cloud. Your clients and numbers never leave your computer.
Canada
Create invoices online and email to your customers. No mucking about with spreadsheets. Quick and simple.
United Kingdom
Free professional invoice and contract generator for freelancers. Create unlimited invoices, contracts, and manage clients. No credit card required.
