ELI5
Concepts Simplified

Explain Like I'm 5

From AI to databases, we explain the hard stuff In Plain English — no jargon, no gatekeeping. Just real talk and examples.

Want the big picture? Keep scrolling.

Meet The Knowledge Graph.

Stop learning in isolation. Our interactive Knowledge Graph shows you how tech concepts connect, reveals optimal learning paths, and helps you build a complete mental model of modern software development.

Visual Learning Paths

Follow prerequisites, dependencies, and figure out what to learn next

See How Concepts Connect

Understand how AI, databases, web dev, and more relate to each other

Build a Mental Model

Don't just learn isolated facts - figure out how modern software dev works

AIWebDataCloudLLMRAGTransformerAPIGraphQLVector DBSQLDockerKubernetes

What is ELI5?

ELI5 stands for "Explain Like I'm 5" – a way of breaking down complex topics into simple, easy-to-understand explanations.

Our ELI5 guides explain tech using:

  • Simple language without unnecessary jargon
  • Real-world analogies that make sense
  • Visual explanations when possible
  • A focus on the concepts you actually need to understand

Who is this for?

Perfect for junior developers, career-switchers, or anyone trying to make sense of the fast-moving tech world.

Want to suggest a topic?

Have a tech concept you'd like explained in plain English?Tweet us @InPlainEngHQ with the hashtag #ELI5Request.