diagramming tool
Diagrams 1.1
Diagrams is, as its name says, an advanced program to draw diagrams. more>>
Main features:
- sticky shape connectors (single and multiple segment) ;
- custom shape data;
- printing with preview;
- predefined shapes for: Flow, UML, digital and process diagrams;
- user-defined shapes with visual shape designer;
- scripted html reports on custom shape data.
UCCDraw Flow/Diagramming Component 9.80
UCCDraw ActiveX Control is an ActiveX control that allows creation and editing.. more>> UCCDraw Flow Component is an ActiveX control that allows creation and editing of Visio-style charts from within your application. Allows you to create flow charts, vector drawings, raster images and more with the ability to include hyperlinks and various shading and coloring effects. You can group objects together, include images and text, link them together and apply custom drawing effects to create charts similar to Microsoft Visio, Adobe...<<less

XSD Diagram 0.4
A Xml Schema Definition diagram viewer for Windows written in c# NET 2.0 more>> XSD Diagram is a free Xml Schema Definition (XSD) diagram viewer for Windows written in c# Framework.NET 2.0
This program is free software and may be distributed
according to the terms of the GNU General Public License (GPL).
Features
GPL
Need of the Microsoft Framework.NET 2.0 (if not already installed)
Display the elements, the groups and the attributes
Show the text/HTML documentation of element and attribute when available
Print the diagram
Export the diagram to emf
Zoom the diagram
Registration in the Windows Explorer contextual menu
Dragn drop a file from explorer<<less

tangible modelling tools 1.0
Create Software Diagrams like Use Case Diagrams. more>> Welcome to tangible modelling tools. With tangible modelling tools you can directly create Software Diagrams like Use Case Diagrams, Component Diagrams, State Charts, Class Diagrams, Activity Diagrams and Persistent Object Models.
tangible modelling tools FREE EDITION has the same modelling diagrams included as our world-class Model-Driven Code Generator tangible architect. We want to give them to the .NET community at no cost to enable better communication between developers by using our software modelling tools.
Supported diagram types
With tangible modelling tools you can directly create Use Case Diagrams, Component Diagrams, State Charts, Class Diagrams, Activity Diagrams and Persistent Object Models.<<less
Database Design Tool (DDT) 1.5
This program is a diagramming tool that allows the user to lay out a database schema, including tables and relationships. Major features include multipage diagram printing and import and export of SQL more>>

yEd Diagram Editor 3.0.0.5
Generate drawings and apply layouts to diagrams, graphs, and networks. more>>
yEd Diagram Editor 3.0.0.5 is a program designed to enable you to fast generate drawings and apply layouts to diagrams, graphs, and networks. Choose from a wide range of highly sophisticated layout algorithms to automatically arrange your diagrams in no time. An intuitive and visually appealing user interface makes creating diagrams fun. Once you are done with creating a diagram you can save, print, or export it to popular formats like PDF, SWF, EMF, JPEG, GIF, XML, PNG, or SVG.
Enhancements: Supports multiple graphs simultaneously and palette tool window for instant access to graph elements with different (visual) characteristics.

Drawing Objects 3.0
Drawing Objects is a collection of 17 diagram components more>>
System requirements:
- Delphi version 7

Diagram Designer 1.22
Diagram Designer 1.22 is a simple but powerful graphics editor that helps users creat flowchart and diagrams. more>> <<less

FDD Tools 2.0
FDD Tools 2.0 will make you satisfied for it can be used to create/edit/display/print FDD-style progress tracking diagrams as described in the book Java Modeling In Color With UML. more>> <<less
GDE--GoVisual Diagram Editor 1.2
GDE--GoVisual Diagram Editor is an excellent tool having qualities in editing and automatic layout of diagrams, graphs, and networks. more>> <<less

Nevron Diagram Designer 2009_Vol.1
Nevron Diagram Designer is is a freeware diagram editor powered by Nevron Diagram. It is suitable for creating various kinds of diagrams and performing different layout algorithms on them. more>> <<less
DiaCze - diagram drawing software UML, ERD 0.95-1
DiaCze - diagram drawing software UML, ERD, Cisco networks, ... more>>
You will be able to use DiaCze - diagram drawing software UML, ERD, ... in order to create UML, UML 2.0, EML diagrams, ER, ERD, state diagrams, network topology schema, Cisco networks, component models, process models, business models, ...
In many ways - this application contain more functions than Microsoft Visio and it is free.
DiaCze - diagram drawing software. UML, ERD,... 1.0
You can use this application to create UML,ER,ERD,state diagrams,network topology schema,Cisco networks,component models,process models,business models. In many ways - this application contain more fu more>>
You can use this application to create UML, UML 2.0, EML diagrams, ER, ERD, state diagrams, network topology schema, Cisco networks, component models, process models, business models, ...
In many ways - this application contain more functions than Microsoft Visio and it is free.

Dia for Windows 0.96
Dia is inspired by the commercial Windows program Visio, more>> Dia is inspired by the commercial Windows program Visio, though more geared towards informal diagrams for casual use. It can be used to draw many different kinds of diagrams. It currently has special objects to help draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and many other diagrams. It is also possible to add support for new shapes by writing simple XML files, using a subset of SVG to draw the shape.
It can load and save diagrams to a custom XML format (gzipped by default, to save space), can export diagrams to a number of formats, including EPS, SVG, XFIG, WMF and PNG, and can print diagrams (including ones that span multiple pages).<<less
Quick Sequence Diagram Editor 2.12 Beta
An application for generating UML sequence diagrams from regular textual descriptions more>> An application for generating UML sequence diagrams from regular textual descriptions
Quick Sequence Diagram Editor is a simple application (written in Java) for generating UML sequence diagrams from regular textual descriptions of messages and objects.
Quick Sequence Diagram Editor supports actors, destructors, constructors, on-diagram comments and SVG export.
System requirements:
- Java Runtime Environment
Enhancements:
- Improved user interface and the ability to store layout settings along with a diagrams source code.