GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, BSD, Solaris, Mac OS X and Microsoft Windows.

Midday provides you with greater insight into your business and automates the boring tasks, allowing you to focus on what you love to do instead.

Dolibarr ERP & CRM is a modern and easy to use open-source web software package to manage your business (customers, invoices, orders, products, stocks, agenda, e-mailings, shipments...).

Manage projects, track time, and invoice clients with ease. Ideal for agencies and consulting businesses, providing project planning, scheduling, and collaboration tools with mobile and desktop applications for flexibility and efficiency.

Simplify your freelance business with a tailor-made toolkit: invoices, project management, proposals, client portal & more.

Intuit QuickBooks is an accounting software with financial management tools like payroll management, live bookkeeping, and flexible accounting plans for all business sizes. It provides record-keeping, reporting, inventory management, and integrates with over 750 apps.

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.

Invoice Ninja is a free, open-source solution for invoicing and billing customers. With Invoice Ninja, you can easily build and send beautiful invoices from any device that has access to the web.

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.

WatchMe is a free (premium available) simple timer program to time a number of different tasks or events together or independently of each other.

WorkTime is an employee, computer and internet monitoring software. It monitors productivity and helps boosting it. It monitors working-from-home, remote, and in-office employees. WorkTime does not support any invasive monitoring.

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.