cfenollosa/os-tutorial
How to create an OS from scratch
30.8k stars · 3.6k forks · C
Healthy
Healthy: no known risks in the checks that ran.
Why
No rule fired.
What would change this
- Partly checked: people (Only 1 human commits were found, too few to judge who maintains the project.)
- A dormant maintenance status, a deprecated or archived package, a successor link, or a critical advisory would change this.
Maintenance
CompleteSteady
- Human commits, 30 days
- 0
- Human commits, 90 days
- 0
- Human commits, 365 days
- 1
- Bot share of commits, 365 days
- 0%
- Last commit
- Feb 4, 2026 (8 months ago)
- Last human commit
- Feb 4, 2026 (8 months ago)
- Authors, 90 days
- 0
- Last release
- none found
- Median PR merge time
- 38 days
Responsiveness: of 0 recent issues, n/a got a maintainer reply. Median first response: n/a.
- Only 0 recent issues can be checked for a response, too few to measure response time.
Sources: Commits, Releases, Merged pull requests, Issues
People
Partial- Owner
- Personal account
- Commits sampled
- 1 since Oct 14, 2025
- Authors for half of commits
- 1
- Authors for 80% of commits
- 1
- Contributors
- 10
Top committers
- cfenollosa: 100% of commits
- Only 1 human commits were found, too few to judge who maintains the project.
Sources: Commits, Contributors
Stars
CompleteOrganic, confidence high
Bursts
- Jun 28, 2015 to Jun 29, 2015: about 23 more stars than usual, peak 13 in one day, a spike that tapers off. Outside explanation: a jump in forks.
- May 2, 2016 to May 4, 2016: about 22 more stars than usual, peak 11 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
- Mar 5, 2018 to Mar 6, 2018: about 28 more stars than usual, peak 18 in one day, a spike that tapers off. Outside explanation: a jump in forks.
- Sep 20, 2018 to Oct 24, 2018: about 9.6k more stars than usual, peak 2k in one day, a spike that tapers off. Outside explanation: a Hacker News post, a jump in forks, a jump in issues and pull requests.
- Feb 18, 2019 to Feb 20, 2019: about 145 more stars than usual, peak 110 in one day, a spike that tapers off. Outside explanation: a jump in forks.
- Jan 18, 2021 to Jan 20, 2021: about 98 more stars than usual, peak 69 in one day, a spike that tapers off. Outside explanation: a jump in forks.
- Dec 7, 2024 to Dec 9, 2024: about 106 more stars than usual, peak 52 in one day, a spike that tapers off. Outside explanation: a jump in forks.
- Sep 27, 2025 to Oct 3, 2025: about 695 more stars than usual, peak 313 in one day, a shape we can't classify. Outside explanation: a Hacker News post, a jump in forks.
- 2 stars GitHub has since removed (tracked since Oct 14, 2026).
Anyone can buy stars for any repo; bursts alone don't prove the owner did.
- The star history looks organic.
Sources: How star history is analyzed
Risk
CompleteFlags
No risk flags.
License
- Now
- BSD-3-Clause (OSI-approved)
- A year ago
- BSD-3-Clause (OSI-approved)
Packages
No published packages found.
Sources: GitHub: cfenollosa/os-tutorial
Badge
Add this to a README to show the current verdict:
[](https://reporadar.ai/cfenollosa/os-tutorial)Earlier verdicts
- Oct 14, 2026: Healthy
- Oct 14, 2026: Healthy
Computed 11 hours ago · method 2026.10.2