Invoicing and cash-book accounting for small business.

Offers OSS system that handles rating, invoicing and collections.

Business-to-business billing, budgeting and accounting software and software development.

Provides companies with time recording, time tracking and timesheet entry, billing, scheduling and project management solutions.

A solution which creates invoices, accounts receivables, and credit notes. Handles all sales ledger accounting requirements. Based in the United Kingdom.

Telecommunications billing and customer care software provider. FAQ, customers, company history, news and events and employment opportunities.

Offers a web based system for billing wholesale telecommunications traffic.

Web-based billing, estimating and invoicing software primarily for small owners. Site includes product screenshots.

Time billing web based PHP MySQL software. Site includes online demo.

Billing software for horse farms and stables.