Create sequence diagrams online, fast and have more fun! Enter the text and the sequence diagram will be generated automatically. Or import XML from Enterprise Architect. Save up to 98% of the time, you needed for modeling of the sequence diagrams.

Benefits How does it work Start



Why to use Speeder?

Saves time

Create a diagram in a moment. Save 98% of the time that you needed to model in Enterprise Architect, or MS Visio.


Speeder brings you independence. Use iPad or computer in an internetcafe. No instalation needed. Use just internet browser.

Import XML from EA

Speeder allows you to import sequence diagram that you previously created in Enterprise Architect.
You don't need to start again from "zero".

It's free

Best of all - you can use Speeder completly free! For commercial purposes include.

How much do I save?

Save 45 minutes on the chart with 15 messages!

How does it work Start
Speeder - sequence diagram modeler - benefits and comparison with Sparx Enterprise Architect

How does it work?

Watch a 90-seconds video and you can start immediately.

  1. We recommend to use the web browsers: Firefox, Safari, or Chrome! The applications Speeder requires JavaScript.
  2. Start here: My account with sign-in using Google or Yahoo account.
    You can write code to generate diagram, or choose "Diagram manager" > "Import XML" to import a sequence diagram from Enterprise Architect.
  3. Tags, that can be used to create a sequence diagram can be found here.

They say about us Start

Send contribution

Speeder is completly free. You can use it for private so as for commercial purposes. If you send us a contribution, it helps us to continue with development and maintenance.

Send 20€

Thanks for Speeder!

  • We appreciate that you are helping us.
  • We will do some maintenance of a system and will stay online.
  • Contribution value: CZK 20€
Bank transfer PayPal platba*

* 5% additional fee

Send 40€

Greater thanks that we are still providing this service.

  • We are glad that you appreciate our work.
  • So we will care about Speeder so it will still work well.
  • Contribution value: 40€
Bank transfer PayPal platba*

* 5% additional fee

Send 200€

You motivate as to continue with Speeder development!

  • This realy motivates us. We see that Speeder helps you a lot and you enjoy it.
  • We just started to think about how to improve Speeder.
  • Contribution value: 200€
Bank transfer PayPal platba*

* 5% additional fee

Send 400€

So You want new features! The same we do!

  • You are our motivator and we want to help you with your work.
  • What would you like to improve on the Speeder application?
  • Contribution value: 400€
Bank transfer PayPal platba*

* 5% additional fee

About Us

Two developers, one analyst. We are living and working temporarily in Prague, Berlin and on other places. The work for corporations is not enough for us. So we create startups ... and we like to help! ;)

This service is provided by Gimmick.in spol. s r.o., ID: 28915119, VAT: CZ28915119, registered office: Praha 10, Hostivař, Budapest 1492/1, Postal Code 102 00, registered at the Municipal Court in Prague, Section C, Number 152876.