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Benson Bank CMS
GnuCash
Ledger-cli.org
Teamleader
Free Invoicing Software
Homemoney
Mint
SpendTrim
InvoiceLion.com
Free Invoicing Software
Teamleader
Invoice Ninja
GnuCash
Hyperlogs
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Exact for Time & Billing
Benson Bank CMS InvoiceLion.comGnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
Free Invoicing Software - Free Invoicing Software provides the facility of online billing.
Ledger-cli.org - Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line.
Teamleader - CRM, invoicing & project planning in a single tool for SME's
Invoice Ninja - Invoice Ninja is a free, open-source solution for invoicing and billing customers.
Homemoney - HomeMoney: free service for planning of personal budget, family budget, small business budget. Possibility to reduce expenses and budget planning, accounting for small business.