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.

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, iPhone, Mac, SaaS 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 Midday, Cattr, Clockify and InvoicePlane.
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.




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.



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.



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




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.




TimeCamp is a time tracking software for freelancers and companies. It's well equipped: budgeting, invoicing, project costs and many others. If you're looking for a mobile-friendly solution, this one will be perfect!.




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.




Free, privacy-focused financial tools for freelancers: Invoice, Payslip, and Quotation generators with no sign-up required.



Web-based, desktop, & mobile software for time tracking and leave management optimized for freelancers & SMEs. Includes a smart timer, gamification, leave management, time reports, invoices, user roles, and other helpful tools.




Clean UI, same or more features. Also easily hackable/customizable!