Contacts, customers and suppliers management Products management Invoices management Orders management Contracts management Agenda Foundations management module Point of sale Project management and gantt charts Timesheets Bank account management, concilitation Ledger - Accounting Stock management Mass emailings Management of employees leave requests LDAP integration Import/Export wizards A lot of other external modules (technical interfaces or business features) Installer for Windows, Debian/Ubuntu, Fedora/Redhat/OpenSuse or online Server Also available from Cloud suppliers: https://saas.dolibarr.org