开放源码软件

(開放源碼軟件)kāi fàng yuán mǎ ruǎn jiàn

open-source software (OSS)

HaoHSK Flashcards & Audio

Save this word to your Smart Flashcards

Master vocabulary with Spaced Repetition (SRS), native pronunciation audio, and active recall practice on HaoHSK.

Mobile app coming soon to Google Play & App Store

Complete Chinese Learning & HSK Preparation Directory

Explore all Mandarin Chinese modules from beginner to advanced: Listening, Reading, Vocabulary, Grammar, Characters, and HSK Mock Tests.