> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.codenameone.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Where do I learn more about Codename One?

Here are some useful tutorials, documentation and resources available to developers.

**Written Docs and Tutorials**

* [Codename One Docs](https://www.codenameone.com/developing-in-codename-one.html) – The first steps, guides, tutorials and resources you need.
* [Getting Started Tutorial](https://dzone.com/articles/create-native-mobile-apps-using-java-kotlin-and-ma) – Build Cross-Platform Native Mobile Apps Using Java/Kotlin for iOS, Android, Desktop and Web.
* [Compare Codename One](https://www.codenameone.com/compare.html) – Codename One’s comparison with other cross-platform frameworks.
* [Maven Developer Guide](https://shannah.github.io/codenameone-maven-manual/) Codename One Maven developer guide.
* [Java App Template](https://shannah.github.io/cn1-maven-archetypes/cn1app-archetype-tutorial/getting-started.html) – Getting started with the bare-bones Java app template.
* [Create an Uber Clone in 7 Days](https://uber.cn1.co/) – Even if you don’t purchase the full book, the free chapters available to download will help you get started quickly.

**Videos & Online Courses**

* [Hello World](https://youtu.be/rl6z7DD2-vg) – Building a cross-platform Hello World app using Codename One initializr.
* [Codename One initializr](https://youtu.be/XuS1-SV0RkQ) – Watch the video demo of Codename One initializr.
* [Build iOS Apps](https://youtu.be/J7UJrtkXHqg) – Build native iOS apps with Codename One.
* [ToDo App](https://youtu.be/cnEyFYbdrRo) – Covers Codename One basics by walking you through the basics of building a simple Todo app.
* [Codename One Academy](https://debugagent.com/series/cn1) – Free online courses that cover everything from basics to full featured real world app development.
* [How Do I?](https://www.codenameone.com/how-do-i.html) – Short video tutorials that walk you thru common Codename One concepts.

| Check out an extensive list of more learning resources in this blog [post](https://www.codenameone.com/blog/build-apps-with-java-for-ios-android-tutorials-resources.html).