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I don't have or want to learn Microsoft Visio or other complicated diagramming software. Is there a web app to generate simple sequence diagrams?

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closed as off topic by Eight Days of Malaise, phwd♦ Oct 16 '12 at 14:14

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11 Answers

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Gliffy

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+1 Gliffy is by far, the best I have seen. – Mohit Nanda Jul 2 '10 at 7:18
I like this answer better than my own because it's more featureful. – Stephen Jennings Jul 12 '10 at 2:00
up vote 11 down vote

Web Sequence Diagrams lets you create sequence diagrams using a very simple scripting language. A simple script might look like this, with its results:

participant Client as C
participant Server as S

C->S: GET HTTP/1.0 /index.aspx
activate S
note over S: Generate HTML
S->C: 200 OK

HTTP Request

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looks like online-graphviz :) – akira Jul 2 '10 at 5:13
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I always forget about this tool when I need it, which is why I asked and answered my own question. The other answers here are welcome and useful, though. – Stephen Jennings Jul 2 '10 at 5:22
up vote 3 down vote

yUML is my personal favorite for generating diagrams, even if they're not necessarily UML.

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So glad you posted this, awesome tool! – scunliffe Oct 19 '10 at 17:42
up vote 1 down vote

Google Docs -> Drawing

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up vote 1 down vote

Cacoo allows collaboration.

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up vote 1 down vote

draw.io is a free online diagramming application capable of doing this. You can also get source code it.

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While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. – user221287 Nov 29 '12 at 4:57
1) Why didn't you make the same comment for the top answer which is simply the link and nothing else? 2) I own the domain, I've paid for it for 10 years, it's not going anywhere. – David Nov 29 '12 at 9:34
Because I got your answer to "review" under the peer reviewing system of this site and not the above answer. – user221287 Nov 29 '12 at 15:04
up vote 0 down vote

This is a pretty interesting tool for generating simple sequence diagrams... you just have to learn the syntax: http://www.websequencediagrams.com/

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thats the same @stephen jennings posted a minute before you. upvote his, delete yours. – akira Jul 2 '10 at 5:25
up vote 0 down vote

If you're looking for a more intuitive program than Visio, LucidChart is a good option. It's a HTML5 application that you can pick up very quickly.

LucidChart has very robust UML tools to create sequence diagrams, state diagrams, activity diagrams, etc.

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up vote 0 down vote

I have created an online sequence drawer, with which you can draw a beautiful sequence diagram, with simple pseudo code. seqDia

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up vote 0 down vote

Lovely Charts is very simple to use and has a web and desktop version.

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up vote 0 down vote

Found another lightweight online sequence diagram tool: http://www.ckwnc.com/

It is similar to seqDia mentioned before. Transforms script to a diagram.

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Per FAQ please disclose your affiliation with the mentioned site, otherwise this post could be deemed spam and removed as such. – Bradley A. Tetreault Oct 16 '12 at 14:52
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My apologies. I am not related to this site not in any way. I googled "online sequence diagram" and it popped out as ~30th result. Before that I searched an answer from Stack environment and ended up here. Just found a lightweight tool that I wanted to share. – vellotis Oct 18 '12 at 7:18

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