AN INDEPENDENT GUIDE / THE HN VIDEO INDEX
Less scrolling.
More worth watching.
What is HackerTube, and how do you use it? Get to know the original, then explore videos found in Hacker News conversations.
THE SHORT VERSION
What is HackerTube?
HackerTube is a video discovery site launched by Andrej Karpathy. In his October 31, 2026 introduction, he described 6,454 videos recommended on Hacker News, organized across 150 topics. Read the original announcement ↗
Those figures describe the original site. This independent companion uses its own comment sample and topic catalog. We are not associated with the original site or its creator.
PICK A THREAD
Find your next rabbit hole.
Ranked by mentions in our sample. Every video links back to the conversation.
AI & machine learning
Neural networks, language models and the ideas behind machine learning.
25 videosRust
Ownership, safe concurrency and practical Rust programming.
25 videosStartups
Building companies, finding customers and learning from founders.
25 videosSystems
Operating systems, databases and the machinery behind software.
25 videosProgramming
Programming languages, software craft and ways to think about code.
25 videosScience
Physics, biology and experiments that explain the natural world.
25 videosSecurity
Cryptography, computer security and lessons from real attacks.
25 videosDesign
Interfaces, interaction and the thinking behind useful tools.
25 videosMathematics
Mathematical intuition, proofs and visual explanations.
25 videosHistory
Computing history and the events that shaped the modern world.
25 videosA BETTER WAY TO BROWSE
From a topic to a conversation.
Start with a subject
Pick a technical, scientific, or creative thread. Titles and thumbnails come from the video platform’s public metadata.
Open the official player
Click to load the official YouTube player, with its standard controls, branding, and playback rules. There is no viewing fee here.
Read the source
See where a video was shared and read the context. A mention is not an endorsement; the conversation helps you judge.