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Wikipedia. Project management software. History[edit] In the early days, project management software ran on big mainframe computers and was used only in large projects.

These early systems were limited in their capabilities and, by today's standards, were difficult to use. Tasks and activities[edit] Scheduling[edit] Multiple dependency relationship types between activitiesResource assignment and levelingCritical path and critical chain methodsActivity duration estimation and probability-based simulationActivity cost accounting Providing information[edit] Project planning software can be expected to provide information to various people or stakeholders, and can be used to measure and justify the level of effort required to complete the project(s).

Types[edit] Desktop[edit] Project management software has been implemented as a program that runs on the desktop of each user. Web-based[edit] Project management software has been implemented as a web application to be accessed using a web browser.
Enterprise resource planning. Picture showing some typical ERP modules Enterprise resource planning (ERP) is a business management software—usually a suite of integrated applications—that a company can use to collect, store, manage and interpret data from many business activities, including: Product planning, costManufacturing or service deliveryMarketing and salesInventory managementShipping and payment ERP provides an integrated view of core business processes, often in real-time, using common databases maintained by a database management system.

ERP systems track business resources—cash, raw materials, production capacity—and the status of business commitments: orders, purchase orders, and payroll. The applications that make up the system share data across the various departments (manufacturing, purchasing, sales, accounting, etc.) that provide the data.[1] ERP facilitates information flow between all business functions, and manages connections to outside stakeholders.[2]
Customer relationship management. Infografía de Customer Relationship Management.