Summit is a modern, self-hostable invoicing and financial management application designed for freelancers, small businesses, and agencies. Create professional invoices, track expenses, generate financial reports, and more.
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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.
Summit is a modern, self-hostable invoicing and financial management application designed for freelancers, small businesses, and agencies. Create professional invoices, track expenses, generate financial reports, and more.

Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux. The key features are built-in screenshot capture, activity detection.




Track time for individual and team projects, analyze productivity with advanced reports, manage tasks, export data, and collaborate in real time across web, desktop, and mobile platforms with integrations, reminders, idle detection, and Pomodoro timer.




InvoiceFeed is cloud invoicing software for freelancers, agencies, consultants, tradespeople, and small business owners. It helps users create invoices, manage clients, track payment status, export PDFs, send invoices by email, and accept online payments through Stripe.


Manager is free accounting software for Windows, Mac and Linux.
It features an intuitive and innovative user interface with modules such as cashbook, invoicing, receivables, payables, taxes and comprehensive financial reports.
The desktop edition is free while the cloud edition.



InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. The application comes with various options, templates and settings to customize your invoicing experience.



Streamline task management with visual boards, schedule resources, track time and expenses automatically, invoice clients, collaborate with teams and clients on one platform, monitor project profitability and performance, and manage work on mobile devices.




From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free.




Turn your phone into a professional billing machine. Invoice Swift is the offline-first invoice maker designed for freelancers, contractors, and small business owners who need to get paid fast.



A professional billing and invoicing workspace for contractors, agencies, and service businesses to generate PDFs and get paid faster.




TimeCamp logs hours hands-free in the background — no timers, no chasing. Real-time margin on every client and project. Time, attendance, reporting, and capacity planning in one login. Automatic capture, not clock-watching. Stop guessing. Start knowing.



