Horizon ERP is a GST billing application that helps retailers, manufacturers, and distributors streamline accounting operations, including accounts receivable or payable, eWay billing, and GST reporting. It includes an inventory management module and a financial accounting module, allowing businesses to track ledger statements, trial balance sheets, bank reconciliations, and cheque entries. Administrators can handle tax filing and invoicing in accordance with CGST/SGST regulations and generate GST reports in CSV formats. Other features include access control and printing customization.