Yes, both CoManage and Invoicebus offer a Free Trial.
CoManage is designed for and Small Business.
Invoicebus is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both CoManage and Invoicebus are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to CoManage includes Invoice Ninja, Invoiced, InvoiceBerry, Invoice2go, Invoicebus, Simple Invoices, Billin, Inwise, Envoice and Invoice Simple.
Some top alternatives to Invoicebus includes Invoice Ninja, Invoiced, Blinksale, InvoiceBerry, Invoice2go, Moon Invoice, Simple Invoices, Billin and Refrens Invoice.