1. Közösség
2. Technical Issues and Workarounds
3. changing profile picture

Go to Dashboard | Khan Academy. And click your current profile picture next to your username. Any available pictures will be listed. Custom pictures are not allowed on Khan Academy.

1. Közösség
2. General Khan Academy Questions
3. Language

Sorry, no. Languages are not available on KA.

1. Közösség
2. General Khan Academy Questions
3. Has the website code been open sourced?

Interesting post. Personally, while making the website fully open-source could enhance security IF more people find issues with the website, I do believe that people would not care so much about th...