yEd 3.15 发布了，yEd是一个画流程图的工具,不是开源软件，但是可以让你摆脱 Microsoft Office Visio ,也有linux下的版本，整个程序是java开发的，确实比较强大。
更新：
New Features
The Circular and Radial layout algorithm as well as Balloon and all Directed Tree layout algorithms support a new edge routing style where edge paths are bundled to prevent visual clutter.
Bugfixes
Disabled menu interaction on Mac OS X during layout runs to prevent accidental graph structure modifications.
Many bugfixes, great and small.
下载：
| Download | Notes |
|---|---|
| yEd for Windows (62.8 MB) | yEd installer for 32-bit Windows Vista or later. Includes a suitable Java 8 JRE. For 64-bit Windows installers or installation on Windows XP, see "More downloads..." below. |
| yEd for Mac OS X (96.2 MB) | yEd installer for Mac OS X 10.8 or higher. Includes its own embedded Java 8 JRE. For installation on earlier Mac OS X versions, see "More downloads..." below. |
| yEd for Linux (72.9 MB) | yEd installer script for 64-bit Linux systems. Either chmod +x first, or execute using sh. Includes a suitable Java 8 JRE. |
| yEd (executable Jar) (28.4 MB) | Zipped yEd Jar file. Requires an installed JRE 6 or higher. |