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A small collection of guides, tools, and courses for cybersecurity, AI, teaching, and building things.
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Five starting points: learn the foundations, explore a career path, or work through a practical problem.
Prompt Engineering Guide
This repository collects guides, papers, lessons, notebooks, and tools for prompt engineering, retrieval-augmented generation, and AI agents.
Dive into Deep Learning
An online deep-learning textbook covering mathematical foundations, neural networks, transformers, and implementation examples.
CyberSeek
CyberSeek provides workforce data and career-pathway tools for cybersecurity jobs and training.
CyberChef
CyberChef combines data-conversion, decoding, cryptography, and analysis operations into reusable recipes.
NIST Privacy Framework
NIST’s Privacy Framework page provides a voluntary framework and supporting resources for identifying and managing privacy risk.
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AI & Machine Learning 13
Prompt Engineering Guide
This repository collects guides, papers, lessons, notebooks, and tools for prompt engineering, retrieval-augmented generation, and AI agents.
github.comOpenAI API: Key Concepts
OpenAI’s API documentation introduces text-generation models, embeddings, tokens, and context-length limits.
developers.openai.comIntel AI Courses and Certifications
Intel provides self-paced AI courses, webinars, and certification information covering machine learning, deep learning, and deployment on Intel hardware.
intel.comChatPDF
An AI document service for summarizing PDFs and asking questions about uploaded files with source references.
chatpdf.comDeep Learning
The Deep Learning textbook by Ian Goodfellow, Yoshua Bengio, and Aaron Courville covers mathematical foundations, practical neural networks, and research topics.
deeplearningbook.orgMake
Make is a visual platform for connecting apps, data sources, and AI models into automated workflows and agents.
make.comModel Context Protocol Introduction
The MCP introduction explains how the open protocol connects AI applications with external data sources, tools, and workflows.
modelcontextprotocol.ioFabric
Fabric is an open-source framework that organizes reusable AI prompts into modular workflows for everyday tasks.
github.comDive into Deep Learning
An online deep-learning textbook covering mathematical foundations, neural networks, transformers, and implementation examples.
d2l.aiAI Futurism Reading List
Redwood Research shares a structured reading list and discussion exercises on AI development, existential risks, and risk mitigation.
blog.redwoodresearch.orgConsensus
Consensus provides an AI-assisted search interface for exploring peer-reviewed research literature.
consensus.appLLM Stats
LLM Stats compares AI models through benchmark rankings, performance metrics, context limits, and pricing tables.
llm-stats.comOpenRouter
OpenRouter provides a unified interface and API for accessing AI models from multiple providers.
openrouter.ai
Cybersecurity & Privacy 7
Machine Learning Security: WWHF 2025 Materials
This workshop page organizes machine-learning security presentations and exercises covering prompt injection, model attacks, defenses, and large language models.
samsclass.infoCyberChef
CyberChef combines data-conversion, decoding, cryptography, and analysis operations into reusable recipes.
gchq.github.ioRsaCtfTool
RsaCtfTool provides an open-source RSA cryptanalysis toolkit for CTF exercises involving weak public keys and encrypted data.
github.comJohn the Ripper Documentation
Openwall’s John the Ripper documentation covers installation, usage, supported password hashes, and configuration for password auditing.
openwall.comNIST Privacy Framework
NIST’s Privacy Framework page provides a voluntary framework and supporting resources for identifying and managing privacy risk.
nist.govIceman Proxmark3
The Iceman Proxmark3 repository contains software and documentation for RFID analysis, tag identification, and authorized security testing.
github.comVirusTotal
VirusTotal offers analysis of suspicious files, domains, IP addresses and URLs, with a warning that submissions are shared with the security community.
virustotal.com
Teaching & Careers 4
ChatGPT and Instructional Design
An instructional-design article discusses using ChatGPT during different phases of the ADDIE process.
instructionaldesigncentral.comOpenAI Educator FAQ
OpenAI’s educator FAQ explains classroom uses of ChatGPT, academic integrity, reliability, bias, and age-related precautions.
help.openai.comRING Cybersecurity and AI Courses
RING presents free online cybersecurity and AI courses for U.S. high-school students, taught by credentialed K–12 educators.
caecommunity.orgCyberSeek
CyberSeek provides workforce data and career-pathway tools for cybersecurity jobs and training.
cyberseek.org
Programming & Productivity 3
Rocketbook to Markdown
This repository provides a Ruby script that converts Rocketbook OCR text files into Markdown and moves them into configured locations.
github.comAirbnb JavaScript Style Guide: Reference Types
Airbnb’s JavaScript style guide links directly to its explanation of complex types and reference semantics.
github.comNES.css
NES.css is a stylesheet framework for building interfaces with a retro Nintendo-style appearance.
github.com
FPGA & Hardware 3
Project IceStorm
Project IceStorm provides reverse-engineered bitstream documentation for Lattice iCE40 FPGAs.
github.comApio
Apio provides an open-source command-line workflow for simulating, testing, building, and programming FPGA designs.
github.comIntroduction to FPGA
Shawn Hymel’s Introduction to FPGA repository provides example code and challenge solutions accompanying his video course.
github.com
Links checked October 26, 2026. Availability can change. Descriptions cover public pages, not hands-on testing of every service. Use security tools only with authorization, and do not upload sensitive data to third-party services.