Not all small businesses are built alike. From startups and micro-businesses to growing and established companies, small businesses have diverse accounting needs. Every startup/company/SME needs accounting software from day 1.
1. xero - https://www.xero.com/
2. Waveapps - https://www.waveapps.com/
3. Quickbooks - http://www.quickbooks.in/
4. Freshbooks - http://www.freshbooks.com/
5. Microsoft Dynamic GP - https://www.microsoft.com/en-us/dynamics/erp-gp-overview.aspx
1. Freshbooks - http://www.freshbooks.com/
2. Zoho - https://www.zoho.com/
3. Quickbooks - http://www.quickbooks.in/
4. Invoice2go - https://invoice.2go.com/en-us/videohomepage.aspx/
5. Billbooks - https://www.billbooks.com/
Also here is the link to some of the free software that can also be used as per the need: http://mashable.com/2013/09/03/free-invoicing-tools/#nDmGgyzcykk7