5
Microsoft Corporation
888
Freeware
It contains tools that you need to develop custom solutions for Visio.
8
Microsoft Corporation
58
Update
You can open files created in the newer Visio 2013 drawing file format.
1
Microsoft Visio
289
Freeware
Visio 2010 WBS Modeler Add-in helps you improve the project planning process.
2
Iken
4
Commercial
Iken Library - Class 9 Maths contains educational films, animations, mind maps.
7
Runiter Company, Saeid Nourian
1,068
Shareware
Define variables and solve mathematical equations and functions.
1
BrillKids Inc.
24
Shareware
It is designed to give your child a solid foundation in elementary mathematics.
Alberto Ferrari
80
Freeware
Somehow Microsoft decided not to include this feature in 2010 version of Visio.
Aspose
18
Shareware
Aspose.Diagram is a class library for working with Microsoft Visio files.
Aspose
Shareware
Node.js Library for Visio File Formats | Diagram JavaScript API.
Aspose
Shareware
Java Library for Visio File Formats | Diagram Java API.
29
Aspose
4
Shareware
.NET Library for Visio File Formats | Diagram .NET API.
1
Knightlite Software
Shareware
Create custom math problem libraries, using the Library Editing Window.
15
CenterSpace Software
37
Shareware
Math library for object-oriented numerics on the .NET platform.
2
Optim Concept, Corporation.
Shareware
PanelCAM 2010 provides craft functionalities and a library of furniture.
76
Victor Miraldo
Open source
calc++ is a very simple interpreter for the math parsing library.
keithalewis
10
Freeware
It is a library for creating xll add-in's for Excel from 97 through 2010.