A free, MIT-licensed course of 542 lessons on AI engineering, implementing model internals, retrieval, and agent runtimes from scratch.
Self-hosted, offline-capable knowledge base and wiki with an extended Markdown editor, team workspaces, and OIDC SSO.
Claudemy: an open-source alternative to Udemy and Coursera. Give Claude a topic, it researches the web and builds a course of 2-minute audio lessons with cited sources. A free Claude Code skill.
A free Chinese-language 100-day Python course, from basics to advanced topics, with lessons and code examples.
The ultimate open-source Overleaf extension and alternative: a free, self-hosted, drop-in replacement for Overleaf Community Edition with nearly all Pro feature—SSO, AI Assistant, Git(Hub/Lab)/ Dropbox sync, track changes, sandboxed compilation, Zotero, Mendeley and more. Formerly @Ayaka-notes Overleaf Pro. Docs: https://ayakaleaf-pro.ayaka.space
21 Lessons, Get Started Building with Generative AI
18 Lessons to Get Started Building AI Agents
Trilhas de estudo de Ciência de Dados derivadas das aulas da Profa. Cibele Russo (ICMC/USP)
Chinese-language full-stack admin platform (Spring Boot + Vue) with RBAC, multi-tenancy, workflow, payments, mall, CRM/ERP modules, and WeChat mini-program support.
The easiest, most secure way to use WireGuard and 2FA.
A full-stack TypeScript CMS built on Astro, with sandboxed plugins and Portable Text content storage.
A 12-week, 24-lesson beginner curriculum covering AI fundamentals, neural networks, computer vision, NLP, and AI ethics with TensorFlow and PyTorch labs.
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
Java 面试 & 后端通用面试指南,覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发
A 12-week, 26-lesson beginner curriculum on classic machine learning using Scikit-learn, with quizzes and projects in Python and R.
PyTorch library for audio generation research, providing inference and training code for MusicGen, AudioGen, and EnCodec.
:cherry_blossom: A command-line fuzzy finder
Command-line JSON processor
Low-level agentic design patterns. Turning old engineering wisdom into reflexes your agent reaches for on its own—on any agent.
An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD
Open singing synthesis platform / Open source UTAU successor
Fabfilter Total 2025: Full working installer with all plugins activated and ready to run on your desktop.
10 Weeks, 20 Lessons, Data Science for All!
Modern networking and security platform providing secure access and connectivity to apps, infrastructure, and AI workloads. Connect and protect your users.
Generate audiobooks from e-books, 50+ TTS engines with voice cloning and 1696 languages!
A self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.
The Legend of Zelda: The Wind Waker Recompiled. Native for MacOS, iOS, Windows, Linux, and Android.
文件化经验库:让 AI agent 不再重复踩同一个坑。方法论 + 模板 + 可选工具。
Open-source, self-hostable payments infrastructure in Rust that connects to many payment processors and offers routing, vault, and reconciliation modules.
The most comprehensive authentication framework
Open-source TypeScript SDK for embedding spreadsheet, document, presentation, and table editing into your own applications.
ZITADEL - Identity infrastructure, simplified for you.
A local, distraction-free desktop word processor for writing novels, with a bookshelf library and manuscripts formatted like books as you type.
One browser tab for PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Redis, SQLite, Couchbase, ClickHouse, Druid, DuckDB, Turso and more. An open-source SQL IDE with SSO, audit trail and AI-assisted queries MIT licensed, with nothing held back behind an enterprise wall.
👋 Hello Agent System — learn enterprise AI agent system design by building every production layer from scratch. 17 bilingual lessons (EN/中文) with tested exercises: tools, architectures, reliability, security, evals, distributed execution, cost, RAG, release ops. 企业级 Agent 系统设计训练营
Cross-session memory plugin for DeepSeek Harness: seven-layer SQLite store (soul/user/project/fact/lesson/topic/rules), BM25 retrieval, per-window dream consolidation. 跨会话七层长期记忆插件。
Agent skill for structured study plans, daily lessons, mistake review, and LaTeX PDFs
The game-folder fixes of MacGameVideoFix as their own app: fourteen Windows games fixed on a Mac with nothing patched in CrossOver. Works with CrossOver, CrossOver Preview and Steam Play tools such as NotProton.
A mouse-driven action wheel for Omarchy: hold middle-click, point, release.
Open-source high-performance RISC-V processor
markdown processor powered by plugins part of the @unifiedjs collective
The tiniest OpenID Certified™ authorization and authentication server you have ever seen.
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
qpdf: A content-preserving PDF document transformer
State-of-the-art LLM compression, built for production inference with vLLM
NSZ - Homebrew compatible NSP/XCI compressor/decompressor
Универсальный менеджер для обхода блокировок на OpenWrt
24 Lessons, 12 Weeks, Get Started as a Web Developer
Terminal JSON viewer & processor
✨ 开源、免费、一站式 Java 权限认证框架,让鉴权变得简单、优雅!—— 登录认证、权限认证、分布式 Session 会话、微服务网关鉴权、SSO 单点登录、OAuth2.0 统一认证、jwt 集成、API Key 秘钥授权、API 参数签名
yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor
The open curriculum for learning web development
PDF补丁丁——PDF工具箱,可以编辑书签、剪裁旋转页面、解除限制、提取或合并文档,探查文档结构,提取图片、转成图片等等
Limiter, compressor, convolver, equalizer and auto volume and many other plugins for PipeWire applications
Claude Skill: Multi-source content processor for NotebookLM. Supports WeChat articles, web pages, YouTube, PDF, Markdown, search queries → Podcast/PPT/MindMap/Quiz etc.
📺🗿 Terminal graphics for the 21st century.
LiteRT, successor to TensorFlow Lite. is Google's On-device framework for high-performance ML & GenAI deployment on edge platforms, via efficient conversion, runtime, and optimization
Infrastructure to enable deployment of ML models to low-power resource-constrained embedded targets (including microcontrollers and digital signal processors).
Command-line YAML, XML, TOML processor - jq wrapper for YAML/XML/TOML documents
The fastest way to run Qwen 3.8 Flash Next, Qwen 3.8 27B and Ternary Bonsai 2 27B on a Mac: 125 tok/s in OpenCode on an M5 Max, and a 27B model on 16 GB Macs. Native MTP speculative decoding on Apple Silicon, exact at any temperature. OpenAI and Anthropic compatible local server.