Open Skitter: Your Free Path to Mandarin Mastery

Chinese made fun - for free

Handwriting Recognition

Write Hanzi in your browser and get stroke-level feedback - made possible by the awesome Hanzi Writer project.
Optimized Scheduling

Cards are scheduled automatically using the power of Open Spaced Repetition, the same algorithm used in the popular Anki project.
Efficient reviewing

Spaced Repetition means you get the maximum learning benefit with minimum reviews.
Free. Forever.

Open Skitter is free and will remain so. What's more, the source code is available publicly on gitlab.
No Account needed

Open Skitter saves your progress right in your browser, even after you close the tab.
Choose your pathway

Learn words from the old or new HSK levels or follow the TOCFL word lists.