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curiosity.

Development

course · In progress

Mastering System Design at Scale: AI-Enhanced Interview Preparation

Load balancing, database sharding, caching layers, and AI-assisted mock interviews -- the system-design playbook engineers use to prep for senior-level FAANG-style rounds.

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Business

course · In progress

Mastering AI Communication: Prompt Engineering for Modern Customer Support

Prompt templates that hold brand voice, tone-matching techniques, and guardrails for when to escalate to a human -- AI prompt engineering built for customer support teams.

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IT & Software

course · In progress

Advanced Automotive Cybersecurity: Mastering Connected Car Threat Modeling & TARA

ISO/SAE 21434 threat modeling, TARA risk scoring, and connected-vehicle attack-surface mapping for engineers securing infotainment, telematics, and CAN bus systems.

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IT & Software

course · In progress

Advanced Browser Extension Security: Professional Auditing & Threat Mitigation

An intensive, technical deep-dive into auditing browser extensions for security vulnerabilities.

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Lifestyle

course · In progress

Mastering Japanese Joinery: The Art of Traditional Hand Tool Woodworking

Sharpening pull-saws and chisels, then cutting mortise-and-tenon and dovetail joints by hand -- the traditional Japanese techniques behind furniture built with no metal fasteners.

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Business

course · In progress

AI-Powered Public Speaking: Master Communication with ChatGPT and Yoodli

Transform your communication skills by leveraging generative AI for content creation and analytical AI for delivery refinement.

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Lifestyle

course · In progress

Small Engine Mastery: Repairing Generators, Mowers, and Pumps

Carburetor cleaning, spark-plug diagnostics, and fuel-system troubleshooting for the small gas engines inside generators, mowers, and water pumps -- skills that skip the repair-shop bill.

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Lifestyle

course · In progress

Mastering Mechanical Watchmaking: From Vintage Pocket Watches to Modern Wristwatches

Movement disassembly, mainspring and escapement repair, and timing-machine regulation for manual-wind watches -- hands-on horology bridging vintage pocket watches to modern wristwatches.

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Lifestyle

course · In progress

Residential Water Systems Mastery: Comprehensive Well and Septic Pump Repair

Pressure-switch diagnostics, pump motor troubleshooting, and septic system electrical safety -- hands-on repair skills for keeping a private well and septic system running.

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Development

course · In progress

Mastering API Security: A Comprehensive Testing Guide for Backend Engineers

OWASP API Top 10 exploits recreated hands-on, then folded into CI/CD as automated security gates -- the workflow backend engineers use to stop broken auth and injection bugs early.

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Teaching & Academics

course · In progress

The AI-Powered Researcher: Advanced Academic Workflows with Claude and Perplexity

Master the art of high-level academic research by integrating Claude's analytical depth with Perplexity's real-time discovery capabilities to streamline…

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IT & Software

course · In progress

Advanced Aviation Cybersecurity: Securing Aircraft Systems, Ground Operations, and Communication Links

A deep-dive technical course designed for aerospace engineers and security professionals focusing on the protection of avionics, airport infrastructure, and…

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Personal Development

course · In progress

Visual Knowledge Mastery: Building a Second Brain with Excalidraw, tldraw, and Obsidian

Link hand-drawn diagrams from Excalidraw and tldraw into a searchable Obsidian vault -- a visual second-brain workflow built for people who think in sketches rather than bullet points.

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Personal Development

course · In progress

The AI-Powered Engineer: Mastering Personal Knowledge Management with Obsidian and LLMs

Transform your technical workflow by building a high-performance 'Second Brain'. Learn to leverage Obsidian’s local-first architecture alongside Large Language…

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Lifestyle

course · In progress

Mastering the Arc: A Complete Guide to MIG and TIG Welding for Solo Operators

Learn to navigate the world of arc welding by mastering both MIG and TIG processes. This course covers equipment setup, safety, material selection, and…

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IT & Software

course · In progress

Industrial Cybersecurity Mastery: Protecting OT and ICS in Manufacturing

Purdue-model segmentation, ICS-specific risk assessments, and IEC 62443 compliance for engineers defending PLCs and SCADA systems that IT security playbooks don't cover.

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Business

course · In progress

AI-Powered Wedding Planning: Mastering Modern Workflows from Lead to 'I Do'

AI-drafted client proposals, automated mood-board generation, and day-of logistics tracking with AI scheduling tools -- workflow automation for planners juggling multiple weddings.

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Business

course · In progress

Sanitary Welding Excellence: Advanced Stainless Steel Fabrication for Food & Beverage Systems

Master the specialized TIG welding techniques, metallurgical principles, and rigorous industry standards required to fabricate hygienic, corrosion-resistant…

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IT & Software

course · In progress

SaaS Security Mastery: A Lean Shield for Solo Founders and Indie Hackers

Covers cloud misconfiguration checks, dependency scanning, and lean incident response. Sized for a one-person team: the 20% of controls that stop 80% of real SaaS breaches.

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Lifestyle

course · In progress

Mastering AI Cake Design: From Digital Mockups to Edible Masterpieces

Transform your baking business by leveraging artificial intelligence to create stunning visual mockups, streamline client consultations, and market your edible…

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IT & Software

course · In progress

Mastering Healthcare Cybersecurity: HIPAA Compliance and IoMT Security

HIPAA Security Rule requirements, medical-device (IoMT) attack surfaces, and breach-notification protocols, framed for the people responsible for protecting patient data day to day.

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IT & Software

course · In progress

Digital Forensics for SMB IT: Practical Incident Response and Evidence Management

No enterprise forensics budget? This course covers chain-of-custody logging, disk imaging with free tools, and log correlation for an SMB IT admin investigating a real breach.

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Business

course · In progress

Professional Property Security: Locksmithing and Key Management for Building Managers

Rekeying cylinders, designing a master-key hierarchy, and choosing electronic access control, taught for the property managers legally responsible for a building's locks and keys.

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Lifestyle

course · In progress

Bladesmithing Mastery: The Complete Guide to Crafting Professional Knives

Master the ancient art of knife making from scratch. This comprehensive beginner's guide covers everything from metallurgy and forging to heat treatment and…

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Sikho is a marketplace with its own authors and creators. Maturity-restricted books are explored directly on Sikho. Prices and availability are confirmed on the destination product page.