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.
Alberto Ferrari
80
Freeware
Somehow Microsoft decided not to include this feature in 2010 version of Visio.
1
SmartDraw
4
Shareware
Creates, Designs and prints full-colored flowcharts, floor plans, and more.
Microsoft
8
Freeware
Manage, monitor, and administer user mailbox and user.
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.
2
Optim Concept, Corporation.
Shareware
PanelCAM 2010 provides craft functionalities and a library of furniture.
keithalewis
10
Freeware
It is a library for creating xll add-in's for Excel from 97 through 2010.
JanKallman
8
Open source
EPPlus is a .net library that reads and writes Excel 2007/2010 files.
