emscripten-core/emscripten
Emscripten: An LLVM-to-WebAssembly Compiler
27.7k stars · 3.6k forks · C++
Caution
Caution: one person wrote most of the recent commits.
Why
- One person wrote 70% of human commits in the last year, so the project depends on them continuing. (source 1, source 2)
What would change this
- A second person takes a substantial share of commits.
- Partly checked: maintenance (Commit counts are estimated: the commit sample stops before the window start, so GitHub's totals were scaled by the sampled bot share.)
Maintenance
PartialActive
- Human commits, 30 days
- 148
- Human commits, 90 days
- 336
- Human commits, 365 days
- 1.4k
- Bot share of commits, 365 days
- 20%
- Last commit
- Oct 14, 2026 (9 hours ago)
- Last human commit
- Oct 14, 2026 (9 hours ago)
- Authors, 90 days
- 24
- Last release
- Oct 8, 2026 (6 days ago)
- Median PR merge time
- 3 hours
Responsiveness: of 22 recent issues, 73% got a maintainer reply. Median first response: 9 hours.
- Commit counts are estimated: the commit sample stops before the window start, so GitHub's totals were scaled by the sampled bot share.
Sources: Commits, Releases, Merged pull requests, Issues
People
Complete- Owner
- Organization
- Commits sampled
- 401 since Oct 14, 2025
- Authors for half of commits
- 1
- Authors for 80% of commits
- 3
- Contributors
- 393
Top committers
- sbc100: 70% of commits
- guybedford: 9% of commits
- aheejin: 3% of commits
- brendandahl: 3% of commits
- hoodmane: 2% of commits
- Shares come from the newest sampled commits, since the commit sample is capped.
Sources: Commits, Contributors
Stars
CompleteOrganic, confidence high
Bursts
- Mar 27, 2013 to Apr 1, 2013: about 221 more stars than usual, peak 79 in one day, a spike that tapers off. Outside explanation: a jump in forks.
- Jan 31, 2016 to Feb 4, 2016: about 108 more stars than usual, peak 36 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- Dec 3, 2017 to Dec 5, 2017: about 55 more stars than usual, peak 41 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
- 3 stars on a repo created before February 2013 have no date, so they aren't in the chart.
- 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.
- 3 stars on the creation day are undated (before 2013-02-10) and are not counted.
Sources: How star history is analyzed
Risk
CompleteFlags
No risk flags.
License
- Now
- MIT (OSI-approved)
- A year ago
- MIT (OSI-approved)
Packages
No published packages found.
OpenSSF Scorecard: 5.8 out of 10 (via deps.dev).
Sources: GitHub: emscripten-core/emscripten
Badge
Add this to a README to show the current verdict:
[](https://reporadar.ai/emscripten-core/emscripten)Earlier verdicts
- Oct 14, 2026: Caution
- Oct 14, 2026: Healthy
Computed 9 hours ago · method 2026.10.2