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l10n - Contributing Translations

Localization/Translation is an excellent way to contribute to an open source project and CloudStack is no different. The CloudStack user interface is currently translated into 4 languages, essentially reflecting the language capabilities held by employees. Those four are:

  • English
  • Simplified Chinese
  • Spanish
  • Japanese

However, CloudStack is in use around the world, so this is pretty small selection of languages. We also have more than just the UI to address, as virtually none of our documentation is translated. Our first priority there is the Quick Install Guide.

CloudStack uses the awesome (and open source) Transifex (graciously hosted for us by Indifex) for handling translation. To show that they are even more awesome, the Transifex community added the capability to handle Java's i18n .properties file to Transifex at our request. Transifex is a wonderful platform which allows you to use either the intuitive web interface or to use any local translation tool. The list of projects using Transifex is no less impressive, including Firefox, Django, and the Fedora Project.

So how does one go about helping with localization with CloudStack? It's relatively easy:

  1. Sign our CLA
  2. Create an account on
  3. Send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. that indicates that you have signed the CLA, lists your Transifex username, and what languge you want to translate into.

I've been very pleased with the number of folks asking to help without being asked, namely Alexandre Haguiar and Diego Castro who are working on the Brazilian Portuguese translation. We have just over a week till code freeze (9/14/2011) for the next release, and I am sure we could add a few languages to the CloudStack UI.

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David Nalley is currently employed by Citrix as the Community Manager for the CloudStack project. In addition he's a long time contributor to the Fedora Project, where among other things he is currently serving on the Fedora Project Board. He's also contributed to in various forms to Cobbler, Zenoss,, OLPC Math4, and Sahana. He is a frequent speaker at Free Software conferences around the nation, and writes for a number of technical and open source media publications including Linux Pro Magazine and
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Guest Friday, 18 July 2014


Citrix supports the open source community via developer support and evangeslism. We have a number of developers and evangelists that participate actively in the open source community in Apache Cloudstack, OpenDaylight, Xen Project and XenServer. We also conduct educational activities via the Build A Cloud events held all over the world.