account application

Need the module which allows user to update day today accounting transaction to facilitates many report as per accounting standard and applicable taxes of state or country .It must include sales order purchases order option with Invoice generation without inventory [login to view URL] it must facilitates file conversion option to [login to view URL] with import and export option. Need complete accounting. With company creation with user and authentication, ledger creation under various group head invoicing nd other tools of accounts for best accounting reports like final accounts sales & purchases vat nd tax computation printing nd data backup ,(data backup must be in xml formate in mapping with tallyerp9 ) so user can use same data with tally software also.