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Card 620 of 9802026-09-27 issue

Observed arrival · 2026-09-27

课程开源 — 把一堂好课交给更多人

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Editorial interest 78/100 Selection signal · not a rating of the site

A volunteer community turns lecture recordings and course-material photos into readable notes, currently including classes and public talks from Peking University and Tsinghua University.

Landing page captured for the 2026-09-27 issue.
For
People who want to read or share lecture notes
Worth noticing
Contributors may be credited by name or stay anonymous; the project says it will remove notes on request.

Field notes

Contributors can send a lecture recording or photos of course materials; community members do the note-taking. The page says contributors may be credited by name or remain anonymous, and can preview new notes in a small contributor group. It names classroom and public-lecture material from Peking University and Tsinghua University. Audio is not offered for download, and the project says it will remove notes on request.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
●ProPolished or operationally mature
◉HumanPersonal, local, civic, or handmade

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Landing page observed 2026-09-27. The live site may have changed.