# Show HN: I couldn't afford interview prep, so I built a free alternative

> Source: <https://learningto.co/>
> Published: 2026-09-10 14:10:02+00:00

Google L4-L6 Prep

16 Topics

# Learning to pass

the interview

Structured prep covering the data structures and algorithms big-tech interviews expect. Interactive visualizations, a Python playground, AI-powered feedback, and progress tracking.

Google Interview Readiness

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Follow the skill tree - learn concepts in the right order with prerequisites mapped out.

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## Data Structures

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## Algorithms

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## Concepts

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