blocks|key|214786|text|看一看DIA|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|214787|entityMap|0|LINK|mutability|MUTABLE|url|http://www.gnome.org/projects/dia/^0|3|3|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Have a look at <a href="http://www.gnome.org/projects/dia/" rel="nofollow noreferrer">DIA</a>

blocks|key|4280390|text|Gliffy看起来相当不错，而且很便宜，有一个免费的选项：http://www.gliffy.com|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4280391|entityMap|0|LINK|mutability|MUTABLE|url|http://www.gliffy.com/^0|T|L|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Gliffy looks pretty good and is cheap with a free option: <a href="http://www.gliffy.com" rel="nofollow noreferrer">http://www.gliffy.com</a>

blocks|key|214858|text|这里有很多有趣的程序：http://www.osalt.com/visio|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|214859|entityMap|0|LINK|mutability|MUTABLE|url|http://www.osalt.com/visio^0|B|Q|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Many interesting programs here: <a href="http://www.osalt.com/visio" rel="nofollow noreferrer">http://www.osalt.com/visio</a>

blocks|key|3432863|text|查看FreelyDraw。它是一个专业的，易于使用的绘图工具，与visio相比很小，但仍然功能齐全，值得一试。现在它支持Windows和MacOS。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3432864|entityMap|0|LINK|mutability|MUTABLE|url|http://freelydraw.com/^0|2|A|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Checkout <a href="http://freelydraw.com" rel="nofollow">FreelyDraw</a>. It is a professional, easy to use diagramming tool, small compared to visio but still full featured, worth a try. And now it supports Windows and MacOS.

blocks|key|974737|text|Argo+UML不是visio，但可以用来绘制图形。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|974738|entityMap|0|LINK|mutability|MUTABLE|url|http://argouml.tigris.org/^0|0|8|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://argouml.tigris.org/" rel="nofollow noreferrer">Argo UML</a> is not visio, but can be used to make UML drawings.

blocks|key|3432403|text|Open+office+draw有一些带有粘性连接器的盒子，我当时觉得还可以，我只想要一个带有一点形式主义的快速简单的图表。Argo+UML在形式上稍微正确一些，但您并不总是支持形式主义。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3432404|entityMap|0|LINK|mutability|MUTABLE|url|http://www.openoffice.org/product/draw.html^0|0|G|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://www.openoffice.org/product/draw.html" rel="nofollow noreferrer">Open office draw</a> has boxes with sticky connectors, which I find OK at those times I want just a quick simple diagram with little formalism. Argo UML is a slightly more formally correct, but you're not always there for the formalism.

blocks|key|3432455|text|不同的目的，不同的程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3432456|生成应用程序流比手工绘制更好。Graphviz+dot就是很好的例子。然后，您可以键入类似以下内容：|3432457|digraph{
++step1+->+step2;
++step2+->+step3;
++step2+->+step4+[label="optional"];
}+|code-block|syntax|javascript|3432458|一种用于有向图的简单的领域特定语言。它有很好的文档记录，并且有跨平台的实现。它也适用于生成类图，但是您可能不希望直接使用它的DSL+(只需编写一个小程序来生成它)|3432459|对于数据库，我使用了Fabforce+DbDesigner。还有一个支持SQL服务器的版本。|3432460|http://www.fabforce.net/dbdesigner4/|offset|length|3432461|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|0|0|0|10|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Z|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|10|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|11|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|12|8|@]|9|@$O|13|P|14|1|15]]|A|$]]|$1|Q|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|N]]]]

For different purposes, different programs. 

Application flows are better generated than hand-drawn. Graphviz dot is excellent for it. You can then type something like:

<pre><code>digraph{
 step1 -&gt; step2;
 step2 -&gt; step3;
 step2 -&gt; step4 [label="optional"];
} 
</code></pre>

A simple domain-specific language for directed graphs. It is well documented and has cross-platform implementations. It is also suitable for generating class-diagrams, but you probably don't want to its DSL directly for it (just write a small program to generate it)

For databases I've used Fabforce DbDesigner. There's also a version with SQL-server support.

<a href="http://www.fabforce.net/dbdesigner4/" rel="nofollow noreferrer">http://www.fabforce.net/dbdesigner4/</a>

blocks|key|4280233|text|StarUML看起来不错，只是它没有任何数据库图表功能。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4280234|entityMap|0|LINK|mutability|MUTABLE|url|http://staruml.sourceforge.net/en/^0|0|7|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://staruml.sourceforge.net/en/" rel="nofollow noreferrer">StarUML</a> looks nice except it doesn't have any database diagram features.

blocks|key|4280273|text|Dia对我来说非常好，无论是简单的绘图还是统一建模语言。我知道它不是完美的，但它确实可以做这项工作。对于思维导图(它们非常有用)，我使用freemind。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4280274|不要让丑陋的网站欺骗了你，它们都是很棒的软件。|4280275|entityMap|0|LINK|mutability|MUTABLE|url|http://projects.gnome.org/dia/|1|http://freemind.sourceforge.net/wiki/index.php/Main_Page^0|0|3|0|1W|8|1|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]|$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]]]

<a href="http://projects.gnome.org/dia/" rel="nofollow noreferrer">Dia</a> works great for me, both for simple drawing and for UML. I know it's not perfect but it really can do the job. For mindmaps (and heck they are useful), I use <a href="http://freemind.sourceforge.net/wiki/index.php/Main_Page" rel="nofollow noreferrer">freemind</a>.

Don´t let the ugly websites fool you, they both are great pieces of software.

blocks|key|4280332|text|ARIS+Express是Visio的免费替代品。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4280333|entityMap|0|LINK|mutability|MUTABLE|url|http://www.ariscommunity.com/aris-express^0|0|C|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://www.ariscommunity.com/aris-express" rel="nofollow noreferrer">ARIS Express</a> is a free-of-charge alternative for Visio.

blocks|key|4280459|text|Cacoo非常好。它是一个基于flash的web应用程序，非常像一个更友好的Visio。大约有20组形状可用，从电子电路到办公室布局再到UML。甚至iPhone和安卓用户界面的形状。而且是免费的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4280460|entityMap|0|LINK|mutability|MUTABLE|url|http://www.cacoo.com/^0|0|5|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://www.cacoo.com" rel="nofollow">Cacoo</a> is very nice. It's a flash-based web application and is really quite like a more friendly Visio. There are about 20 sets of shapes available, from electronic circuits to office layout to UML. And even iPhone and Android UI shapes. And it's free.

blocks|key|4280477|text|你也可以试试my.origramy+--这是一个免费的在线服务，用于构建图表、方案等。它基于Flash编辑器/查看器组件。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4280478|entityMap|0|LINK|mutability|MUTABLE|url|http://my.origramy.com/index.html^0|6|B|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You can also try <a href="http://my.origramy.com/index.html" rel="nofollow">my.origramy</a> - it's a free online service for building diagrams, schemes, etc. It is based on a Flash editor/viewer component.

blocks|key|974945|text|这取决于你所说的功能。在我看来，Visio与其说是一个绘图，不如说是一个数据操作和可视化工具。在表面下，所有元素都由专门的计算表组成，允许处理形状的外观和行为。显然，有更好的绘图工具，但没有一个具有如此复杂的计算能力。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|974946|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

It depends of what you mean by functionality.
In my opinion Visio is less a drawing than a data manipulating and visualisation tool.
Under the surface all elements are made of specialised calculation sheets, which allows to handle the appearance and the behaviour of the shapes.
There are plainty better drawing tools, but none that has such a complexe calculating capability.

blocks|key|974882|text|查看LucidChart。它非常快速且易于使用。他们有一个有限的免费帐户，他们的付费帐户是合理的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|974883|entityMap|0|LINK|mutability|MUTABLE|url|http://www.lucidchart.com/^0|2|A|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Check out <a href="http://www.lucidchart.com" rel="nofollow">LucidChart</a>. It's very fast and easy to use. They have a limited free account and their paid accounts are reasonable.

Are there any free tools or software packages that offer functionality similar to MS Visio? 

I am looking for something that can create database, most UML and application flow diagrams.

Free tools similar in functionality to MS VISIO

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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是否有提供类似MS Visio功能的免费工具或软件包？我正在寻找的东西，可以创建数据库，大多数UML和应用程序流程图。

问功能与MS VISIO类似的免费工具
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