Invoicera!

Track your computer usage and use collected data to accurately tag time. Auto tracking of computer usage (8 languages), during a day average user can switch back and forth between applications more than a 1000 times, which means ManicTime gathers a lot of data. Local storage, powerful statistics: see which applications you use the most or on which web sites you spend the most time. Also easily figure out how much time you spent working on projects to accurately bill your clients or just keep track of your work. »

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.

BILLmanager is a linux-based control panel for automating client management, invoicing and billing. This software specifically developed for hosting service providers will help you manage and take complete control of various aspects of your business:

Freedcamp is the first completely free alternative to Basecamp. Freedcamp offers an app store where you can install To-Do's, Discussions, Milestones, Time Tracking, and Calendar for free! Project management has never been this sweet.

Paymo is an online project management application that helps you deliver projects on time and on budget by eliminating bottlenecks through accurate time tracking & reporting.Paymo can help you with task management & collaboration, time tracking, invoicing, estimates & expenses.

ZipBooks allows contractors and small businesses to send quotes and invoices to potential customers or paying clients. Create a project with ZipBooks and track the time, products, and expenses of your work. Once you are ready to send an invoice to a client, ZipBooks automatically detects unbilled activity and allows you to include any or all of the billing details. You can customize the rate of each of your team members, whether to include an attached PDF, and even add your own logo to invoices. Because we make money if you use our credit card payment partners, ZipBooks is 100% free, forever. We will never spam you, show you ads, sell your information, or watermark your invoices. »

Send, track and collect payments quickly. Great for teams, freelancers and service providers. FreshBooks is an easy cloud accounting app for small businesses and freelancers, specifically designed to save you time billing clients. Create professional invoices, capture expenses with ease and effortlessly track time on projects; it’s all here, plus you’ll be ready for tax time.

Qbserve provides everything you need for seamless time tracking of your work hours or freelance projects:

The most popular version of Americas #1 small business financial software helps make your business more profitable.