Tiny ERP is complete open source ERP and CRM software. It covers all the domains for small to medium businesses like accounting, stock management, sales, customer relationship, purchases, project management and much more.

The main features of Tiny ERP are accounting (analytic and financial), stock management, sales and purchases management, tasks automation, marketing campaigns, help desk, POS, etc. Technical features include a distributed server, flexible workflows, an object database, a dynamic GUI, customizable reports, and SOAP and XML-RPC interfaces.

Tiny ERP's different functionalities are structured into modules. All the modules are distributed free of charge under a GPL license. Base modules are: CRM, Account, Stock, Sale, Purchase, Logistics, HR, Project, Marketing and Products. It also provides modules for specific needs. These modules are: Network – for computer material management and Auction – for public auction house.

Tiny ERP is distributed client/server architecture, multi-user application, which works on Windows and Linux.

For clients it offers customizable views, trees, search forms, reports, workflows, default values, exports to CSV, attachments to resources, and actions on group or resources, filters and good ergonomy. For server, Tiny ERP offers load balancing, many Interfaces: SOAP, XML-RPC, NET-RPC, distributed objects, direct SQL access, workflow module and reporting module and business objects.

Comparing to others ERP, Tiny ERP is very simple to install and use. Tiny ERP is very innovative with its double-entry stock management, ISO9001 approach and adaptable user interface.