OpenProj by Projity is a desktop replacement of Microsoft Project. OpenProj has equivalent functionality, a familiar user interface and even opens existing MSProject files.
Compared to MS Project, which it closely emulates, OpenProj has a similar user interface (UI), and a similar approach to construction of a project plan: create an indented task list or work breakdown structure (WBS), set durations, create links (either by (a) mouse drag, (b) selection and then button-down, or (c) manually type in the ‘predecessor’ column), assign resources.
The columns (fields) are the same as for MS Project. Users of the one software should be broadly comfortable using the other. Costs are the same: labour, hourly rate, material usage, and fixed costs: these are all provided.




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