Welcome
I’m lizhichao, an undergraduate at the University of Science and Technology Beijing. I build Android tools and explore AI agents.
Kotlin Jetpack Python Rust AIllmhub — Turn a Home GPU into an Always-Available OpenAI-Compatible API
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 Why I built itI have a GPU machine at home and a 2C4G cloud server. I wanted scripts, apps and bots to call local models at any time, but: The cloud server has no GPU and cannot run inference The home machine is not al...
Zotero Full-PDF Translate — Bilingual PDFs with Your Own API Key
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 Why I built itThe annoying part of reading English papers is not comprehension — it is jumping between the original PDF, a translation tool and a reader. Web translators handle PDFs poorly, and paid document services us...
Reps — Turn a CSV Question Bank into an Offline Quiz App
Status: beta · Role: solo developer · Code: not open source · Updated: 2026-10 Why I built itMany courses hand out a CSV question bank. Reading it on a laptop is awkward, and most quiz apps want an account, show ads and upload your data. Reps takes a simpler route: put the CSV on your phone and...
Trailmap — My Interactive Travel Map
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewTrailmap is an interactive personal travel map built with Leaflet.js, recording the photos and stories behind every trip. Adding or editing places only touches one data file (locations.json), and every push auto...
Life Assistant — A Personal Tauri Desktop App
Status: maintained · Role: solo developer · Code: not open source (personal use) · Updated: 2026-10 OverviewLife Assistant is a personal study-and-life desktop app built with Tauri + Rust + WebView2, for my own use only. All data lives in a local project folder and survives refreshes, closes, a...
LingoFlow — AI Translation & Learning App
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewLingoFlow is a modern Android translation app that combines on-device machine translation, an authoritative dictionary, and LLM power: everyday phrases translate offline in a snap, long passages get streamed thr...
Countdown App — Concept & Product Design
Status: in progress · Role: solo developer · Code: not open source OverviewThis is an Android countdown / count-up day tracker currently at the concept stage — the full product document (PRD v0.1) and technical design are done, but coding hasn’t started yet. Sharing the design process here...
BeikeSchedule — Course Schedule App for USTB
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewBeikeSchedule is a course schedule app for the University of Science and Technology Beijing (USTB): sign in to the academic system through a built-in WebView to import your timetable in one tap, view it as a wee...
BaseConversion — Number Base Converter for Programmers
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewBaseConversion is a local-first, ad-free Android base converter built for programmers. Open it and start typing: binary / octal / decimal / hexadecimal fields stay in live two-way sync — no “conve...
ShowWe — WeChat Mini Program Community
Status: maintained · Role: solo developer · Code: not open source · Updated: 2026-10 OverviewShowWe is a community/social mini program built on WeChat Cloud Development, v1.1.0. Users can create posts, comment, like, chat privately, and customize their profiles — all within the WeChat ecos...
awesome-claude-code — A Map of the Claude Code Ecosystem
Project: hesreallyhim/awesome-claude-code · Author: hesreallyhimThis is a reading guide. I do not maintain the list. What it isawesome-claude-code is a community-maintained list of Claude Code resources, organised in the classic Awesome List format: tools, skills, plugins, multi-agent orch...
WatchDog — AI API Quota Monitor
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewWatchDog is an Android app for real-time monitoring of API balances across multiple AI platforms. I use it daily to check balances and monthly usage; the latest version is available as an APK. Kotlin Compose Ret...
Sourcehub — Android Digital Content Store Demo
Status: archived · Role: solo developer · Code: public · Note: simulated payments; sample content for demo only OverviewSourcehub is a demo Android digital-content store, built to practise MVVM + Clean Architecture, JWT authentication, cart flows, background downloads and common app hardening. ...
Net-USTB — Campus Network One-Tap Login
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewNet-USTB is a third-party native Android client for USTB’s campus network (Dr.COM ePortal 4.x). It replaces the browser-based web authentication with a one-tap native experience. Kotlin Compose OkHttp Key Featu...
ScientificCalculator — Kotlin Compose Calculator
Status: maintained · Role: solo developer · Code: public · Updated: 2026-10 OverviewA feature-complete Android scientific calculator built with pure Kotlin + Jetpack Compose. Beyond standard scientific calculations, it integrates an equation solver and matrix calculator. Kotlin Compose Material...
Warp — Turning the Terminal into an Agent Workbench
Project: warpdotdev/warp · Author: Warp · License: AGPL-3.0 client, MIT UI cratesThis is a reading note. I did not contribute to the project. What it isWarp is a terminal written in Rust. In April 2026 it open-sourced its client, with OpenAI joining as the founding sponsor of the repositor...
tinygrad — A Deep Learning Framework You Can Read
Project: tinygrad/tinygrad · Author: tiny corp / George Hotz and contributors · License: MITThis is a reading note. I did not contribute to the project. What it istinygrad sits between PyTorch and micrograd. Its goal is to be small enough to read: a compact Python codebase that still ...
Academic Research Skills — A Research Pipeline for Claude Code
Project: Imbad0202/academic-research-skills · Author: Imbad0202This note is based on the project documentation. I did not contribute to it. What it isAcademic Research Skills (ARS) is a set of Claude Code skills that turns the research workflow — literature review, writing, review, revisio...
Hermes Agent — An Open-Source Agent That Builds Its Own Skills
Project: NousResearch/hermes-agent · Author: Nous Research · License: MITI forked the repository to read the Agent Loop, Skill Manager and Memory implementations. I did not contribute upstream. What it is trying to solveHermes Agent is an open-source general-purpose agent released by Nous ...
AI Agents Stock — A Multi-Agent Stock Analysis Project
Project: oficcejo/aiagents-stock · Author: oficcejo · No license declaredThis is a reading note. I did not contribute to this project. What it solvesAI Agents Stock is an open-source project that simulates a securities research team with multiple AI agents. It splits “looking at a stock” i...
Welcome to My Blog
Hello, nice to meet youI am lizhichao, an undergraduate at the University of Science and Technology Beijing. This blog covers Android tools, AI agents, and learning and thinking in the AI era. About this blog Projects — see what I built and what my role was on the projects page Open source note...