Havuz

Don't memorize ML. Understand it from first principles including Inference, Cuda, Deep Learning, Data Science and Reinforcement Learning

A comprehensive open-source reference for backend engineering HTTP, concurrency, gRPC, distributed systems, observability, and cloud-native

The free, open-source alternative to GitHub Classroom

Evidence-driven Java security review workbench

Hire a private AI tutor for anything — it reads how you actually learn and teaches the next lesson just for you. Bloom's 2-Sigma research as

Torollo is an open-source interactive visual playground designed to learn system design and networking, all locally.

考公刷题 App（公考/gongkao/国考/省考/事业单位）：行测 申论 题库 · 错题本 · AI 解析。中文名：没钱考什么公。

MyClass — open-source private tutoring management (students, schedules, bills, VN timezone). Next.js 15 + Postgres. Self-hosted.

Turn declarative exercises into reproducible, runnable and verifiable lab environments

AI-powered exam question generator. Upload study materials, get exam questions in seconds. Open source, local-first, cross-platform.

本地可运行的题库练习系统：多题库、错题本、SQL 在线判题、C++ 在线编译、AI 学习助手，纯本地零依赖 | local-first quiz app, online-judge, flashcards

Self-hostable study dashboard with a built-in MCP server, so that your Claude/ChatGPT subscription becomes x10 more effective for your semes

DevStart Lab - An interactive open-source platform to learn programming, explore real projects, and contribute to GitHub.

先说清你想解决的事，再开始学习。问流 WenFlow：从真实问题出发的开源 AI 学习路径原型——对话澄清目标、生成可执行路径、回合式教学、遗忘曲线复习、学习负荷追踪（LSS/KTL/LF/LSB）；自带 18 页管理后台与虚拟学习者仿真。Vue3 + Node.js + SQL

End-to-end Langfuse workshop using a TypeScript Agent to teach the AI engineering loop: tracing, prompt management, monitoring, datasets, ex

Turn one machine into a private ChatGPT for a whole room. One command sets up Ollama, Open WebUI, RAG and an OpenAI-compatible API sized to

Best Mobile Quiz App for MFA Law Study 2026: Interactive Question Banks

A beginner-friendly Python wrapper designed to eliminate complex syntax and make coding accessible for everyone.

Interactive MFA Legislation Quiz Trainer with Adaptive Learning 2026

VTC 2026: Simple Terminal Vocabulary Trainer for Fast Language Learning

Open-source AI study companion — Google Classroom sync, Gemini AI plans, SRS flashcards, GPA predictor, AI quiz, MCP server for Claude Code.

书内 BOOKNOTE · 多账户教材 RAG 学习助手 —— 回答必引原文:C/W 双引用校验、批注阅读器、长对话自动压缩、可选联网补充(MCP)

Educational GitHub infrastructure for R Programming and Mathematical Software labs, with assignment workflows, isolated student workspaces,

🚀 SRE intro elective — 10 hands-on labs + 2 bonus operating QuickTicket microservices: SLO-driven observability (Prometheus/Grafana/Loki/Tem

Build with Claude Code without your brain going numb — a plugin that quizzes you on the code it just wrote and gates the session until you p

Interactive 'Anatomy of a File' explorer - annotated tours of source files, language by language

Learn while your agent works. A Claude Code plugin that quizzes you on the concepts behind the code it just wrote — local knowledge graph, s

家长可控的自建儿童视频流媒体播放器：无广告、无推荐流、封闭内容花园 · Self-hosted, ad-free kids video streaming player with parental controls — Cloudflare Workers + R2 and na

学练agent-应试学习,学习ai,题库搜索,练习反馈。StudentBuddy：面向编程入门与自学的开源 AI 学习 Agent，串联资料共读、出题作答、逐题解析与知识复习；支持 Windows 本地版和自托管。

Learn DevOps, Cloud and AI by doing: a real terminal, tasks graded on real machine state. Runs on Windows, macOS and Linux.

Illustrated comic-style cheat sheets for ML, LLMs, AI safety, LeetCode and Git, plus a SwiftUI study app (Panels) to read them and quiz your

Daedalus CRM — 跑在你自己电脑上的 AI CRM。Mac / Windows 桌面端：个人版免费，团队版按席位收费、客户数据加密同步。AI-native CRM desktop app for macOS & Windows — free for individua

个人部署的课程学习工作台：左侧读教材，右侧与 Coding Agent 对话，生成讲解、习题、思维导图、知识图谱与 LaTeX 课件

Self-hosted, multi-user grade tracker and exam planner. Manage subjects, weighted averages, notes and attachments with private accounts, 2FA

Self-hosted AI presentation generator: topic or sources in, researched themed editable PPTX and report out. Docker, BYOK or Ollama; 74 slide

本地运行的高中数学题库与组卷备课工具：PDF/Word 智能拆题、LaTeX 公式渲染、AI 辅助分类。解压即用，数据不出本机。派生于 MathBank。

デバッグ能力を「鍛える」と「測る」を1つにしたBtoB向けの仕組み。AIは答えではなく段階的な問いを返し、業務を止めずに技術力が育つ。到達度・正答率・成長率を5軸で可視化し、人事評価の客観的な根拠として使える。

Free, open-source, self-hosted candlestick replay practice tool (K線操練場). Local-only, no account, no subscription. Educational only.

Syntax: Guia interativo focado no aprendizado de comandos do terminal Git. Uma ferramenta da Linhagem SPARK para desenvolvedores que buscam

Interactive Git exercises for Quarto: a real Git repository in the reader's browser, with a task checklist, live diagrams, and a mock remote

15-minute beginner coach for Guan Dan, a Chinese four-player partnership card game — deterministic rules, fair AI, memory drills and replays

Official documentation repository for CeloHT. Comprehensive documentation covering architecture, governance, APIs, education, developer guid

Editor de diagramas no navegador que junta quadro livre, código Mermaid colorido e aulas passo a passo. 100% client-side, sem servidor.