Side-by-Side Comparison
OJ vs free-programming-books
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● VNOI-Admin/OJ (231)
● EbookFoundation/free-programming-books (399.2K)
☆ 231OJ stars
☆ 399.2Kfree-programming-books stars
+398.9KDifference
free-programming-booksStar Leader (1727.9x)
⚖️ Comparison Verdict
Star Popularity
free-programming-books Leads
+398.9K stars (1727.9x ratio)
Forks & Derivatives
free-programming-books Leads
66.9K total community forks
Recent Maintenance
free-programming-books
Pushed 15d ago
Licensing
Different
OJ: AGPL-3.0 vs free-programming-books: CC-BY-4.0
Side-by-Side Facts
| Metric | VNOI-Admin/OJ ↗ | EbookFoundation/free-programming-books ↗ |
|---|---|---|
| Description | A modern open-source online judge and contest platform system. | :books: Freely available programming books |
| GitHub Stars | ☆ 231 | ☆ 399,150 |
| Forks | 122 | 66,924 |
| Open Issues | 64 | 89 |
| Main Language | Python | Python |
| License | AGPL-3.0 | CC-BY-4.0 |
| Last Push | Oct 7, 2026 | Oct 16, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
Add verified GitHubRepo badges to either project's README.md to showcase star momentum.
OJ Badge
[](https://githubrepo.cloud/repo/VNOI-Admin/OJ?utm_source=readme_badge)
free-programming-books Badge
[](https://githubrepo.cloud/repo/EbookFoundation/free-programming-books?utm_source=readme_badge)Related Head-to-Head Comparisons
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