An opinionated cheat sheet — now in collectible card form. Click cards to build your hand, then check the notes.
Pre-built combos for common projects. Click to see the cards.
The engineering encyclopedia you actually bookmark.
Free
The parts catalog that doubles as an engineering reference.
Free
Open-source CAD library — don't model what someone already did.
Free
Industry-standard parametric CAD. The workhorse.
Free w/ .edu
Cloud-first CAD/CAM/CAE in one tool.
Free w/ .edu
2D drafting that refuses to die — for good reason.
Free w/ .edu
When you need to know if it'll break before you build it.
Free w/ .edu
Matrix math, control systems, signal processing — all in one.
Free w/ .edu
The slicer that just works — even on non-Prusa printers.
Open Source
Upload a DXF, pick a material, get parts in days.
Paid
The type system that makes JavaScript bearable.
Open Source
Readable, versatile, and everywhere.
Open Source
The actual source of truth for web standards.
Open Source
The editor that won. Fast, extensible, free.
Open Source
React framework that handles the hard parts.
Open Source
Component model that changed frontend forever.
Open Source
Utility-first CSS that kills the stylesheet mess.
Open Source
E2E testing that actually works across browsers.
Open Source
Catch bugs and enforce style before they reach review.
Open Source
Where code lives. Period.
Freemium
Push to Git, site is live. That's it.
Freemium
CI/CD that lives where your code already does.
Freemium
The GitHub of machine learning.
Free
Where AI papers drop before anywhere else.
Free
Practical deep learning — top-down, not theory-first.
Free
AI research notebook that actually reads your sources.
Free
The AI assistant that actually reasons.
Freemium
The one that started the wave.
Freemium
AI coding agent that lives in your terminal.
Paid
Autocomplete on steroids.
Free w/ .edu
VS Code fork with AI woven into every interaction.
Freemium
The everything workspace — docs, wikis, databases.
Freemium
Issue tracking that doesn't feel like punishment.
Freemium
Team chat. Love it or hate it, you're using it.
Freemium
Know your traffic before making decisions.
Free
Design tool for people who aren't designers.
Freemium
Payment processing that developers actually like.
Paid
Accounting that keeps the IRS happy.
Paid
Email marketing that scales from 10 to 10,000.
Freemium
Up-to-date library docs, right when you need them.
Free
Google-scale research that does the digging for you.
Freemium
Visual workflow automation you can self-host.
Open Source
Collaborative design that killed the desktop era.
Freemium
React animations that don't feel like work.
Open Source
The precision welding method — slow, clean, beautiful.
Paid
Turning raw metal into precision parts, one pass at a time.
Paid
Where the schematics become reality.
Paid
The brains behind every automated machine.
Paid
Industrial robots that move with terrifying precision.
Paid
From STL to physical part overnight.
Paid
Joining metals without melting them.
Paid
Composite layup — messy, smelly, incredibly strong.
Paid
The original maker skill.
Paid
Jet skis, outboards, generators — if it has a motor, tear it apart.
Paid
Roofs, fences, foundations — the unglamorous essentials.
Paid
Observe. Hypothesize. Test. Repeat.
Free
Iterative autonomous AI agent workflow via Claude Code CLI.
Paid
Research, wireframe, prototype, test, iterate.
Free
Two weeks. Ship something. Learn. Adjust.
Free
From 3D model to physical part — the full workflow.
Free
Push code, run tests, deploy automatically.
Free
Ideation to launch — the full product journey.
Free
Design it so it can actually be built.
Free
From napkin sketch to production-ready product.
Free
Weaving AI tools into existing engineering workflows.
Free
If you can't explain it simply, you don't understand it.
Free
The bible of mechanical engineering. 30+ editions strong.
Paid
Why doors confuse people — and why that matters for everything.
Paid
Code is read more than it's written. Make it readable.
Paid
Timeless advice on the craft of software development.
Paid
Math and physics visualized beautifully.
Free
Physics taught by the greatest explainer who ever lived.
Free
The language that tells machinists what you actually need.
Free
Where engineering meets FDA regulations and surgeon feedback.
Free
The best meetings happen on the water.
Paid
One pan, infinite patience, legendary results.
Free
Extraction, grind size, water temp — it's all chemistry.
Free
Flour, water, time, and a little bit of faith.
Free
High heat, dry surface, patience — the Maillard reaction doesn't rush.
Free
Season it right and it'll outlive you.
Free
25 players, split-second calls, zero tolerance for wipes.
Paid
Collaborative storytelling, tactical combat, and creative problem-solving since age 13.
Paid
Problem-solving with your whole body.
Paid
Balance, patience, and daily practice — upside down.
Free