Build gen AI apps with an all-in-one modern database: MongoDB Atlas
MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
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Level Up Your Cyber Defense with External Threat Management
See every risk before it hits. From exposed data to dark web chatter. All in one unified view.
Move beyond alerts. Gain full visibility, context, and control over your external attack surface to stay ahead of every threat.
Chinese Words Study (HSK 1–5) on Desktop and Phone
A Python/Tkinter tool to learn 2500 Mandarin words (HSK 1–5).
Flashcards, practice of hanzi meaning, pinyin and tones, stats of accuracy. Optional pronunciation via gTTS (Google). Compatible with Pydroid 3 (runs on Android).
The frequency of a word showing up depends on its retaining level and time since the last answer (age).