Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-08-27 23:34 UTC

cloudflare / quiche

🥧 Savoury implementation of the QUIC transport protocol and HTTP/3

RustBSD-2-Clause★ 11,794 stars⑂ 1,069 forkssince Sep 2018View on GitHub ↗
KindLibraryCommand-line toolhow this is determined

cloudflare/quiche holds a health index of 94 out of 100, placing it in the Exceptional band. It scores highest on Community & Adoption (93/100) and lowest on Sustainability & Governance (70/100). It was last updated 13 days ago. A single contributor accounts for most of its recent work.

94
overall / 100
Exceptional

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.

94
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

Score profile

Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.

The weighted overall 81 is calibrated to 94 on the published index scale (record calibration 2026-08-02).

Ownership

CloudflareOrganization
15,783 followers575 public repossince Jun 2010

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
crates.ioh3i0.6.01,3467219 days agohttp3quicnetwork-programming
crates.ioqlog0.18.0222,60920105 days agohttp3quicnetwork-programming
crates.ionetlog0.1.021298 days agohttp2http3quicnetwork-programming
crates.iooctets0.3.6375,810944 days agohttp3quicnetwork-programming
crates.ioquiche0.29.3147,9646044 days agohttp3quicnetwork-programming
crates.iobuffer-pool0.2.110,0604204 days agohttp3quicnetwork-programming

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

92Excellent · 21% of overall
How it's scored
28.8/36Push recencylast push 13 days ago
29.8/36Commit cadence43/52 weeks with commits
18/18Commit volume293 commits in the last year
10/10OpenSSF Scorecard: Maintained30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year293
human_commit_share1
days_since_last_push13
active_weeks_last_year43

Release discipline

100Exceptional
How it's scored
27/27Ships releases50 releases published
36/36Release recencylatest release 44 days ago
27/27Release cadencea release every ~2.9 days
0/10OpenSSF Scorecard: Signed-Releasesno data
Inputs used
releases_count50
latest_release_tag0.29.3
releases_from_tagsno
days_since_latest_release44
mean_days_between_releases2.9
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

93Exceptional · 17% of overall
How it's scored
60/60Stars11,794 stars
25/25Forks1,069 forks
12.3/15Watchers165 watchers
Inputs used
forks1,069
stars11,794
watchers165
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

85Excellent
How it's scored
22.5/22.5README
22.5/22.5Licenserecognized license (BSD-2-Clause)
18/18CONTRIBUTING guide
13.5/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges3
has_contributingyes
has_issue_templateno
has_code_of_conductyes
readme_badge_servicesshields.io
has_pull_request_templateno
How it's scored
78.4/80Monthly downloads757,791 downloads/month across crates
0/20Registry dependentsnot reported by this ecosystem
Inputs used
packagesh3i, qlog, netlog, octets, quiche, buffer-pool
dependents
ecosystemscrates
total_downloads9,496,042
monthly_downloads757,791
unverified_packages_excluded
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

70Good · 23% of overall
How it's scored
9/54Bus factor1 contributor(s) cover half of all commits
9.2/22.5Commit distributiontop contributor authored 59% of commits
13.5/13.5Contributor breadth98 contributors
10/10OpenSSF Scorecard: Contributorsproject has 40 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled98
top_contributor_share0.589
How it's scored
33.1/42Issue resolution79% of issues closed
25.4/30PR acceptance1,433/1,691 decided PRs merged
0/13Newcomer PR acceptance0/2 first-time contributors' PRs merged in 30d
9/15OpenSSF Scorecard: Code-ReviewFound 19/29 approved changesets -- score normalized to 6
Inputs used
merged_prs1,433
open_issues167
closed_issues616
prs_merged_7d0
prs_decided_7d0
prs_merged_30d6
prs_decided_30d8
issue_closed_ratio0.787
closed_unmerged_prs258
first_time_authors_30d2
first_time_prs_merged_30d0
first_time_prs_decided_30d2
How it's scored
30/30Ownership backingorganization-owned
0/20Verified domain
25/25Owner reach15,783 followers of cloudflare
25/25Track record575 public repos, account ~16 yr old
Inputs used
followers15,783
owner_typeOrganization
is_verifiedno
owner_logincloudflare
public_repos575
account_age_days5,907

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable6 package(s) on crates
35/35Publish recencylatest publish 44 days ago
20/20Version history60 published versions
20/20Not deprecatedactive, not deprecated or yanked
Inputs used
packagesh3i, qlog, netlog, octets, quiche, buffer-pool
ecosystemscrates
any_deprecatedno
min_days_since_publish44

Engineering Quality

Are baseline engineering and documentation practices in place?

76Good · 19% of overall
How it's scored
24/24CI workflows5 workflow(s)
24/24Tests present
16/16Linter configCargo.toml ([workspace.lints]), apps/Cargo.toml ([lints]), buffer-pool/Cargo.toml ([lints]), clippy.toml, datagram-socket/Cargo.toml ([lints]), h3i/Cargo.toml ([lints]), netlog/Cargo.toml ([lints]), octets/Cargo.toml ([lints]), qlog-dancer/Cargo.toml ([lints]), qlog/Cargo.toml ([lints]), quiche/Cargo.toml ([lints]), rustfmt.toml, task-killswitch/Cargo.toml ([lints]), tokio-quiche/Cargo.toml ([lints])
0/9.6Pre-commit hooks
0/6.4.editorconfig
20/20OpenSSF Scorecard: CI-Tests19 out of 19 merged PRs checked by a CI test -- score normalized to 10
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage sitehttps://docs.quic.tech/quiche/
10/10Repository description
10/10Topics5 topics
0/10Wiki
Inputs used
topicsquic, http3, network-programming, protocol, rust
has_wikino
homepagehttps://docs.quic.tech/quiche/
docs_sitehttps://docs.quic.tech/quiche/
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

76Good · 16% of overall
How it's scored
7.5/7.5Binary-Artifactsno binaries found in the repo
0/7.5Branch-Protectionno data
2.5/2.5CI-Tests19 out of 19 merged PRs checked by a CI test -- score normalized to 10
0/2.5CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
4.5/7.5Code-ReviewFound 19/29 approved changesets -- score normalized to 6
2.5/2.5Contributorsproject has 40 contributing companies or organizations
10/10Dangerous-Workflowno dangerous workflow patterns detected
7.5/7.5Dependency-Update-Toolupdate tool detected
5/5Fuzzingproject is fuzzed
2.5/2.5Licenselicense file detected
7.5/7.5Maintained30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
0/5Packagingno data
0/5Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
2.5/5SASTSAST tool is not run on all commits -- score normalized to 5
5/5Security-Policysecurity policy file detected
0/7.5Signed-Releasesno data
0/7.5Token-Permissionsdetected GitHub workflow tokens with excessive permissions
7.5/7.5Vulnerabilities0 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated15
scorecard_versionv5.5.0
checks_inconclusive3
scorecard_aggregate7.6
Excluded from scoring (no data or not applicable): Branch-Protection, Packaging, Signed-Releases. Remaining weights renormalized.

AI Readiness

How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.

86Excellent · 4% of overall
How it's scored
45/45Agent instructionsAGENTS.md, datagram-socket/AGENTS.md, h3i/AGENTS.md, qlog-dancer/AGENTS.md, qlog/AGENTS.md, quiche/AGENTS.md, quiche/src/h3/AGENTS.md, quiche/src/recovery/AGENTS.md, tokio-quiche/AGENTS.md, tokio-quiche/src/http3/driver/AGENTS.md, tokio-quiche/src/quic/AGENTS.md
0/15Machine-readable docs (llms.txt)
40/40Legible commit history80 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url
legible_history_share0.8
agent_instruction_filesAGENTS.md, datagram-socket/AGENTS.md, h3i/AGENTS.md, qlog-dancer/AGENTS.md, qlog/AGENTS.md, quiche/AGENTS.md, quiche/src/h3/AGENTS.md, quiche/src/recovery/AGENTS.md, tokio-quiche/AGENTS.md, tokio-quiche/src/http3/driver/AGENTS.md, tokio-quiche/src/quic/AGENTS.md
agent_instruction_max_bytes7,206
How it's scored
18/18One-command bootstrapMakefile, quiche/examples/Makefile
22/22Automated tests
11/11Lint / format configCargo.toml ([workspace.lints]), apps/Cargo.toml ([lints]), buffer-pool/Cargo.toml ([lints]), clippy.toml, datagram-socket/Cargo.toml ([lints]), h3i/Cargo.toml ([lints]), netlog/Cargo.toml ([lints]), octets/Cargo.toml ([lints]), qlog-dancer/Cargo.toml ([lints]), qlog/Cargo.toml ([lints]), quiche/Cargo.toml ([lints]), rustfmt.toml, task-killswitch/Cargo.toml ([lints]), tokio-quiche/Cargo.toml ([lints])
11/11Static type checkingRust (statically typed)
10/10Reproducible environmentDockerfile
0/10Demonstrated agent practiceno agent-authored commits among the last 100
5/8Automated maintenancedependency automation configured, none observed in the sampled commits
0/10OpenSSF Scorecard: Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfiles
has_dockerfileyes
typed_languageyes
bootstrap_filesMakefile, quiche/examples/Makefile
has_devcontainerno
has_linter_configyes
typecheck_configs
agent_commit_share0
toolchain_manifestsCargo.toml, apps/Cargo.toml, buffer-pool/Cargo.toml, datagram-socket/Cargo.toml, fuzz/Cargo.toml, h3i/Cargo.toml, netlog/Cargo.toml, octets/Cargo.toml, qlog-dancer/Cargo.toml, qlog/Cargo.toml, quiche/Cargo.toml, task-killswitch/Cargo.toml, tokio-quiche/Cargo.toml, tools/http3_test/Cargo.toml
dependency_bot_commit_share0
How it's scored
45/45Type-checkable codeRust (statically typed)
51.7/55Manageable file sizes14/230 source files over 60KB
Inputs used
primary_languageRust
largest_source_bytes419,268
source_files_sampled230
oversized_source_files14
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)not applicable to this kind of software
0/20MCP servernot applicable to this kind of software
40/40Runnable examplesexamples
Inputs used
example_dirsexamples
has_mcp_signalno
api_schema_files
interfaces_expected_of
Excluded from scoring (no data or not applicable): API schema (OpenAPI/GraphQL/proto), MCP server. Remaining weights renormalized.

Key facts

11,794GitHub stars
98contributors
293commits, last 12 months
13days since last push
50releases
1bus factor
167open issues
crates.iopackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
  • Could not fetch crates package 'quiche_apps' from its registry
  • Could not fetch crates package 'qlog-dancer' from its registry
  • No resolved dependencies carried a version and a supported ecosystem

More detail

Star and fork history 0 ★ / 1,069 ⇿
0Stars
1,069Forks
50Releases

When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.

Only the most recent history is shown — this repository exceeds the collection window, so the earliest history is not captured.

02004006008001,0001,2001,069112019-042022-122026-08
Major 0Minor 26Patch 24

Each point covers 7 days.

OpenSSF Scorecard 7.6 / 10
7.6aggregate

Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-08-27 23:33 UTC

10Binary-Artifactsno binaries found in the repo
n/aBranch-Protectioninternal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md
10CI-Tests19 out of 19 merged PRs checked by a CI test -- score normalized to 10
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
6Code-ReviewFound 19/29 approved changesets -- score normalized to 6
10Contributorsproject has 40 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
10Fuzzingproject is fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
n/aPackagingpackaging workflow not detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
5SASTSAST tool is not run on all commits -- score normalized to 5
10Security-Policysecurity policy file detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
10Vulnerabilities0 existing vulnerabilities detected
Direct dependencies 104
RegistryPackageVersion constraintManifest
crates.iodocopt1apps/Cargo.toml
crates.ioenv_loggerapps/Cargo.toml
crates.iolibcapps/Cargo.toml
crates.iologapps/Cargo.toml
crates.iomioapps/Cargo.toml
crates.ionixapps/Cargo.toml
crates.iooctetsapps/Cargo.toml
crates.ioquicheapps/Cargo.toml
crates.ioringapps/Cargo.toml
crates.iourlapps/Cargo.toml
crates.iocrossbeambuffer-pool/Cargo.toml
crates.iofoundationsbuffer-pool/Cargo.toml
crates.iobytesdatagram-socket/Cargo.toml
crates.iofutures-utildatagram-socket/Cargo.toml
crates.iolibcdatagram-socket/Cargo.toml
crates.iosmallvecdatagram-socket/Cargo.toml
crates.iotokiodatagram-socket/Cargo.toml
crates.ioclap3h3i/Cargo.toml
crates.ioenv_loggerh3i/Cargo.toml
crates.ioinquire0.9.1h3i/Cargo.toml
crates.iologh3i/Cargo.toml
crates.iomioh3i/Cargo.toml
crates.iomultimap0.10h3i/Cargo.toml
crates.iooctetsh3i/Cargo.toml
crates.ioqlogh3i/Cargo.toml
crates.ioquicheh3i/Cargo.toml
crates.ioringh3i/Cargo.toml
crates.ioserdeh3i/Cargo.toml
crates.ioserde_jsonh3i/Cargo.toml
crates.ioserde_withh3i/Cargo.toml
crates.iourlh3i/Cargo.toml
crates.iotokio1.44h3i/Cargo.toml
crates.iotokio-quicheh3i/Cargo.toml
crates.iolognetlog/Cargo.toml
crates.ioregexnetlog/Cargo.toml
crates.ioserdenetlog/Cargo.toml
crates.ioserde_jsonnetlog/Cargo.toml
crates.ioclap4qlog-dancer/Cargo.toml
crates.ioenv_loggerqlog-dancer/Cargo.toml
crates.iofutures-util0.3qlog-dancer/Cargo.toml
crates.iojs-sys0.3qlog-dancer/Cargo.toml
crates.iologqlog-dancer/Cargo.toml
crates.ionetlogqlog-dancer/Cargo.toml
crates.ioplotters0.3.4qlog-dancer/Cargo.toml
crates.ioqlogqlog-dancer/Cargo.toml
crates.ioregexqlog-dancer/Cargo.toml
crates.ioserdeqlog-dancer/Cargo.toml
crates.ioserde_jsonqlog-dancer/Cargo.toml
crates.iotabled0.15.0qlog-dancer/Cargo.toml
crates.iotable_to_html0.9.0qlog-dancer/Cargo.toml
crates.iowirefilter-engineqlog-dancer/Cargo.toml
crates.ioserdeqlog/Cargo.toml
crates.iohumantimeqlog/Cargo.toml
crates.ioserde_jsonqlog/Cargo.toml
crates.ioserde_withqlog/Cargo.toml
crates.ioflate21qlog/Cargo.toml
crates.iozstd0.13qlog/Cargo.toml
crates.iofoundationsqlog/Cargo.toml
crates.iobytesquiche/Cargo.toml
crates.ioboringquiche/Cargo.toml
crates.iodebug_panicquiche/Cargo.toml
crates.ioeither1.8quiche/Cargo.toml
crates.ioforeign-types-shared0.3.0quiche/Cargo.toml
crates.iointrusive-collections0.9.5quiche/Cargo.toml
crates.iolibcquiche/Cargo.toml
crates.iolibm0.2quiche/Cargo.toml
crates.iologquiche/Cargo.toml
crates.iooctetsquiche/Cargo.toml
crates.ioqlogquiche/Cargo.toml
crates.ioserdequiche/Cargo.toml
crates.ioserde_json1.0quiche/Cargo.toml
crates.ioserde_withquiche/Cargo.toml
crates.iosfv0.9quiche/Cargo.toml
crates.ioslab0.4quiche/Cargo.toml
crates.iosmallvecquiche/Cargo.toml
crates.ioenum_dispatch0.3quiche/Cargo.toml
crates.iodashmaptask-killswitch/Cargo.toml
crates.ioparking_lottask-killswitch/Cargo.toml
crates.iotokiotask-killswitch/Cargo.toml
crates.ioanyhowtokio-quiche/Cargo.toml
crates.ioboringtokio-quiche/Cargo.toml
crates.iobytestokio-quiche/Cargo.toml
crates.iocrossbeamtokio-quiche/Cargo.toml
crates.iodatagram-sockettokio-quiche/Cargo.toml
crates.iofoundationstokio-quiche/Cargo.toml
crates.iofuturestokio-quiche/Cargo.toml
crates.iofutures-utiltokio-quiche/Cargo.toml
crates.ioipnetworktokio-quiche/Cargo.toml
crates.iologtokio-quiche/Cargo.toml
crates.iooctetstokio-quiche/Cargo.toml
crates.iopin-projecttokio-quiche/Cargo.toml
crates.ioqlogtokio-quiche/Cargo.toml
crates.ioquichetokio-quiche/Cargo.toml
crates.ioserdetokio-quiche/Cargo.toml
crates.ioserde_withtokio-quiche/Cargo.toml
crates.ioslog-scopetokio-quiche/Cargo.toml
crates.ioslog-stdlogtokio-quiche/Cargo.toml
crates.iosmallvectokio-quiche/Cargo.toml
crates.iotask-killswitchtokio-quiche/Cargo.toml
crates.iothiserrortokio-quiche/Cargo.toml
crates.iotokiotokio-quiche/Cargo.toml
crates.iotokio-streamtokio-quiche/Cargo.toml
crates.iotokio-utiltokio-quiche/Cargo.toml
crates.iourltokio-quiche/Cargo.toml
All dependencies 41

Full resolved dependency set from the GitHub dependency graph: 26 direct and 15 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
crates.ioclapdirect
crates.iodocoptdirect
crates.ioeitherdirect
crates.ioenum_dispatchdirect
crates.ioenv_loggerdirect
crates.ioflate2direct
crates.ioforeign-types-shareddirect
crates.iofutures-utildirect
crates.ioinquiredirect
crates.iointrusive-collectionsdirect
crates.iojs-sysdirect
crates.iolibmdirect
crates.iologdirect
crates.iomiodirect
crates.iomultimapdirect
crates.ioplottersdirect
crates.ioringdirect
crates.ioserdedirect
crates.ioserde_jsondirect
crates.iosfvdirect
crates.ioslabdirect
crates.iotable_to_htmldirect
crates.iotableddirect
crates.iotokiodirect
crates.iourldirect
crates.iozstddirect
crates.iocdylib-link-linesindirect
crates.iogetrandomindirect
crates.iohttpindirect
crates.iohttp-bodyindirect
crates.iohttp-body-utilindirect
crates.iolibfuzzer-sysindirect
crates.ioplotters-canvasindirect
crates.iopretty_assertionsindirect
crates.ioserde-wasm-bindgenindirect
crates.iotempfileindirect
crates.iowasm-bindgenindirect
crates.iowasm-bindgen-futuresindirect
crates.iowasm-streamsindirect
crates.ioweb-sysindirect
crates.iowindows-sysindirect
Dependency advisories not assessed

Advisory matching could not run for this report: No resolved dependencies carried a version and a supported ecosystem

Raw JSON report machine-readable

Feedback

Spotted something off in this report, or have thoughts to share? Wrong measurements, missed tooling, ideas, questions — anything is welcome. Every message is read and gets a response.

The message is kept through sign-in.

Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.

Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v2.10.0, schema v0.34.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statisticscrates.io.