Apps similar to Simple Invoices & Estimates include GnuCash, which is free and open source. Other options are Odoo, HomeBank, ERPNext and Frappe Books. Personal Finance Tools like Simple Invoices & Estimates are a crowded field, with more than 100 alternatives for the web, Windows, Mac, iPhone and Linux.
GnuCash is a versatile financial-accounting software designed for both personal and small-business use. With features like double-entry, scheduled transactions, and multi-currency support, it operates across various platforms, including Windows, Mac, and Linux, ensuring accuracy through professional principles.
United States
Open-source business application suite developed in Python, offering ERP, CRM, e-commerce, and project management, reducing software needs and synchronization costs with over 260 core modules.
Belgium
EU
Open-source accounting software for personal finance and budgeting, featuring multi-platform compatibility, comprehensive analysis tools, recurring transactions, detailed reports, and support for multiple languages and export formats.
BelgiumEU
ERPNext is a free and open-source integrated Enterprise Resource Planning (ERP) software developed by Frappé Technologies Pvt. Ltd. and is built on MariaDB database system using a Python based server-side framework.
United Kingdom
From the makers of ERPNext, Frappe Books simplifies invoicing, billing, and accounting for freelancers and small business owners. Create professional invoices, generate beautiful PDFs and send them to your customers.
India
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.
United Kingdom
Offers accounting software with payroll, bookkeeping, invoicing, app integration, and inventory tools. Four plans cater to businesses of all sizes. Automates reconciliation and shares with accountants seamlessly. Higher tiers add project tracking.
United States
From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free.
Türkiye
Wave makes it easy to be your own boss. Just do what you're good at, and lean on Wave's smart online software for help with invoicing, accounting and payroll.
United States
Quicken is a prominent personal finance software in the United States, designed to simplify the management of your financial matters. It provides a comprehensive platform to monitor spending, maintain daily finances, and adhere to a budget.
United States
Comprehensive cloud accounting for small businesses and freelancers; save time billing clients by sending, tracking, and collecting payments swiftly. Generate professional invoices, manage expenses effortlessly, track project time seamlessly, and prepare for tax with ease.
Canada
Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line. This may put off some users, since there is no flashy UI, but for those who want unparalleled reporting access to their data there are few alternatives.
