Office Tool for Website

Good Day I'm looking for an office tool that I can use for my website (for example as [login to view URL]) The following options should be available… Accounting: Write invoices, bill reminder, enter customer management, master data, warehouse entrance book, Reminder cycle, Reminder cycle reset, VAT invoicing, statistics, Financial Accounting, import payments, payment report, DME payments, calculate discounts Email management: E-mail Groups, Excel-list groups, selection lists, import / export csv files, special features Navigation: Home, Private, Company, Notes, Tasks, Docu, Debit (Accounts Receivable), Credit (payable), Orders, Article, Domains, Abos If you already have such an office tool, it is not a problem if not all options are available. It should be possible to replace the company's logo Please send me a login to an existing office tool that I can test. I need a manual how to upload it to my webserver and also how to install it and what kind of databases are necessary. Thanks in advance Simon