Released in 2008, the Oracle Beehive collaboration software provides team workspaces (including wikis, team calendaring and file sharing), email, calendar, instant messaging, and conferencing on a single platform. Customers can use Beehive as licensed software or as software as a service ("SaaS"). Oracle also sells a suite of business applications. The Oracle E-Business Suite includes software to perform various enterprise functions related to (for instance) financials, manufacturing, customer relationship management (CRM), enterprise resource planning (ERP) and human resource management. The Oracle Retail Suite covers the retail-industry vertical, providing merchandise management, price management, invoice matching, allocations, store operations management, warehouse management, demand forecasting, merchandise financial planning, assortment planning, and category management. Users can access these facilities through a browser interface over the Internet or via a corporate intranet. Following a number of acquisitions beginning in 2003, especially in the area of applications, Oracle Corporation maintains a number of product lines:   Development of applications commonly takes place in Java (using Oracle JDeveloper) or through PL/SQL (using, for example, Oracle Forms and Oracle Reports/BIPublisher). Oracle Corporation has started a drive toward "wizard"-driven environments with a view to enabling non-programmers to produce simple data-driven applications. Oracle Corporation works with "Oracle Certified Partners" to enhance its overall product marketing. The variety of applications from third-party vendors includes database applications for archiving, splitting and control, ERP and CRM systems, as well as more niche and focused products providing a range of commercial functions in areas like human resources, financial control and governance, risk management, and compliance (GRC). Vendors include Hewlett-Packard, Creoal Consulting, UC4 Software, Motus, and Knoa Software. Oracle Enterprise Manager (OEM) provides web-based monitoring and management tools for Oracle products (and for some third-party software), including database management, middleware management, application management, hardware and virtualization management and cloud management. The Primavera products of Oracle's Construction & Engineering Global Business Unit (CEGBU) consist of project-management software. Oracle Corporation's tools for developing applications include (among others):   Many external and third-party tools make the Oracle database administrator's tasks easier. Oracle Corporation develops and supports two operating systems: Oracle Solaris and Oracle Linux. Oracle Cloud is a cloud computing service offered by Oracle Corporation providing servers, storage, network, applications and services through a global network of Oracle Corporation managed data centers.