justjavac/free-programming-books-zh_CN

Prefer upstream unless you specifically want this fork’s small README tweaks; the fork is mostly a stale, near-copy mirror with one niche book addition and a link fix, not a meaningfully upgraded alternative.

Choose the upstream repo if you want current links and ongoing curation. Choose this fork only if you want a frozen historical copy and are prepared to maintain it yourself.

Prefer upstream unless you specifically want this fork's older README additions or a frozen 2014 snapshot. For most adopters, the stale history and large behind count make it a poor base compared with upstream's much newer curation.

Choose upstream unless you specifically want an old, untouched snapshot. This fork adds no visible functionality and is materially behind on content maintenance, so it is a poor choice for adopters who want current, curated links.

Prefer upstream unless you explicitly want an old frozen copy. This fork offers no visible functional gains and is materially behind on content maintenance, so it is a poor choice for adopters who need current links or active curation.