5
Microsoft Corporation
889
Freeware
It contains tools that you need to develop custom solutions for Visio.
8
Microsoft Corporation
57
Update
You can open files created in the newer Visio 2013 drawing file format.
437
Microsoft
86,681
Commercial
It allows you to create professional diagrams to simplify complex information.
1
Microsoft Visio
289
Freeware
Visio 2010 WBS Modeler Add-in helps you improve the project planning process.
81
Autodesk, Inc.
1,580
Shareware
It is a CAD program designed for electrical controls designers.
10
Schneider Electric S.p.A.
326
Freeware
This tool provides CAD drawings libraries of Schneider Electric products.
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.
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
9
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.
