Public recordModerate
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-26 18:11 UTC
salvois / LargeXlsx
A .net library to write large Excel files in XLSX format with low memory consumption using streamed write.
salvois/LargeXlsx holds a health index of 52 out of 100, placing it in the Moderate band. It scores highest on Vitality (68/100) and lowest on Engineering Quality (25/100). It was last updated today. 2 contributors account for most of its recent work.
52
overall / 100Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
52
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
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.
Ownership
Salvo IsajaPersonal account
33 followers14 public repossince Aug 2016
This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.
Package ecosystems
| Registry | Package | Version | Downloads / mo | Versions | Last publish |
|---|---|---|---|---|---|
| NuGet | LargeXlsx | 2.0.1 | - | 37 | 217 days ago |
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
68
Development activity
52Moderate
How it's scored
| 36/36 | Push recency — last push 0 days ago |
| 4.8/36 | Commit cadence — 7/52 weeks with commits |
| 9/18 | Commit volume — 9 commits in the last year |
| 2/10 | OpenSSF Scorecard: Maintained — 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2 |
Inputs used
| commits_last_year | 9 |
| human_commit_share | 1 |
| days_since_last_push | 0 |
| active_weeks_last_year | 7 |
Release discipline
92Excellent
How it's scored
| 27/27 | Ships releases — 37 releases published |
| 36/36 | Release recency — latest release 0 days ago |
| 19.8/27 | Release cadence — a release every ~106.8 days |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 37 |
| latest_release_tag | 2.0.2 |
| releases_from_tags | no |
| days_since_latest_release | 0 |
| mean_days_between_releases | 106.8 |
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?
58
Popularity & adoption
57Moderate
How it's scored
| 39.6/60 | Stars — 277 stars |
| 13.5/25 | Forks — 43 forks |
| 3.9/15 | Watchers — 6 watchers |
Inputs used
| forks | 43 |
| stars | 277 |
| watchers | 6 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
44At risk
How it's scored
| 22.5/22.5 | README |
| 16.9/22.5 | License — license file present, not a recognized license |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 0/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | yes |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
How it's scored
| 63.8/80 | Total downloads — 1,380,404 downloads all-time across nuget |
| 0/20 | Registry dependents — not reported by this ecosystem |
Inputs used
| packages | LargeXlsx |
| dependents | — |
| ecosystems | nuget |
| total_downloads | 1,380,404 |
| monthly_downloads | — |
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?
62
Maintainer resilience (bus factor)
49At risk
How it's scored
| 25.2/54 | Bus factor — 2 contributor(s) cover half of all commits |
| 11.8/22.5 | Commit distribution — top contributor authored 47% of commits |
| 12.2/13.5 | Contributor breadth — 9 contributors |
| 0/10 | OpenSSF Scorecard: Contributors — project has 0 contributing companies or organizations -- score normalized to 0 |
Inputs used
| bus_factor | 2 |
| contributors_sampled | 9 |
| top_contributor_share | 0.474 |
Issue & PR responsiveness
66Moderate
How it's scored
| 40.8/46.8 | Issue resolution — 87% of issues closed |
| 22.5/38.3 | PR acceptance — 20/34 decided PRs merged |
| 3/15 | OpenSSF Scorecard: Code-Review — Found 5/25 approved changesets -- score normalized to 2 |
Inputs used
| merged_prs | 20 |
| open_issues | 6 |
| closed_issues | 41 |
| issue_closed_ratio | 0.872 |
| closed_unmerged_prs | 14 |
Ownership & stewardship
52Moderate
How it's scored
| 10/30 | Ownership backing — personal (user) account |
| 0/20 | Verified domain — not applicable to user accounts |
| 11/25 | Owner reach — 33 followers of salvois |
| 20.6/25 | Track record — 14 public repos, account ~9 yr old |
Inputs used
| followers | 33 |
| owner_type | User |
| is_verified | — |
| owner_login | salvois |
| public_repos | 14 |
| account_age_days | 3,638 |
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.
Package maintenance
91Excellent
How it's scored
| 25/25 | Published & resolvable — 1 package(s) on nuget |
| 26/35 | Publish recency — latest publish 217 days ago |
| 20/20 | Version history — 37 published versions |
| 20/20 | Not deprecated — active, not deprecated or yanked |
Inputs used
| packages | LargeXlsx |
| ecosystems | nuget |
| any_deprecated | no |
| min_days_since_publish | 217 |
Engineering Quality
Are baseline engineering and documentation practices in place?
25
Engineering practices
1Critical
How it's scored
| 0/24 | CI workflows |
| 0/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 0/20 | OpenSSF Scorecard: CI-Tests — 0 out of 5 merged PRs checked by a CI test -- score normalized to 0 |
Inputs used
| has_ci | no |
| has_tests | no |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
60Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 10/10 | Topics — 7 topics |
| 10/10 | Wiki |
Inputs used
| topics | excel, xlsx, memory, dotnet, large, huge, streamed |
| has_wiki | yes |
| homepage | — |
| has_readme | yes |
| has_docs_dir | no |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
43
Security posture
29Critical
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 0/2.5 | CI-Tests — 0 out of 5 merged PRs checked by a CI test -- score normalized to 0 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 1.5/7.5 | Code-Review — Found 5/25 approved changesets -- score normalized to 2 |
| 0/2.5 | Contributors — project has 0 contributing companies or organizations -- score normalized to 0 |
| 0/10 | Dangerous-Workflow — no data |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.2/2.5 | License — license file detected |
| 1.5/7.5 | Maintained — 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2 |
| 0/5 | Packaging — no data |
| 0/5 | Pinned-Dependencies — no data |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — no data |
| 0/7.5 | Token-Permissions — no data |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 13 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 5 |
| scorecard_aggregate | 2.9 |
Excluded from scoring (no data or not applicable): dangerous_workflow, packaging, pinned_dependencies, signed_releases, token_permissions. Remaining weights renormalized.
Dependency advisories
100Excellent
How it's scored
| 35/35 | Direct dependencies free of known advisories — no direct dependency carries a known advisory |
| 0/25 | Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope |
| 0/40 | No advisories left outstanding — no advisory carries a publication date |
Inputs used
| source | osv |
| advisories | 0 |
| affected_packages | 0 |
| assessed_packages | 7 |
| unassessed_packages | 1 |
| affected_by_severity | none |
| direct_affected_packages | 0 |
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 7 resolved dependencies against OSV. 1 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.
AI Readiness
How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.
35
Agent context & guidance
13Critical
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 12.8/40 | Legible commit history — 24 of 100 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.24 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Verify loop (build / test / typecheck)
26Critical
How it's scored
| 12.6/18 | One-command bootstrap — Examples/Examples.csproj, LargeXlsx.Tests/LargeXlsx.Tests.csproj, LargeXlsx/LargeXlsx.csproj (toolchain convention, no task runner) |
| 0/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — C# (statically typed) |
| 0/10 | Reproducible environment |
| 0/10 | Demonstrated agent practice — no agent-authored commits among the last 100 |
| 0/8 | Automated maintenance — no automated dependency updates observed |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — no data |
Inputs used
| has_nix | no |
| has_tests | no |
| lockfiles | — |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | 0 |
| toolchain_manifests | Examples/Examples.csproj, LargeXlsx.Tests/LargeXlsx.Tests.csproj, LargeXlsx/LargeXlsx.csproj |
| dependency_bot_commit_share | 0 |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.
Code legibility for models
100Excellent
How it's scored
| 45/45 | Type-checkable code — C# (statically typed) |
| 55/55 | Manageable file sizes — 0/60 source files over 60KB |
Inputs used
| primary_language | C# |
| largest_source_bytes | 29,398 |
| source_files_sampled | 60 |
| oversized_source_files | 0 |
Machine-readable interfaces
40At risk
How it's scored
| 0/40 | API schema (OpenAPI/GraphQL/proto) |
| 0/20 | MCP server |
| 40/40 | Runnable examples — examples |
Inputs used
| example_dirs | examples |
| has_mcp_signal | no |
| api_schema_files | — |
Key facts
277GitHub stars
9contributors
9commits, last 12 months
0days since last push
37releases
2bus factor
6open issues
NuGetpackage ecosystems
Data collection warnings
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 43 ⇿
0Stars
43Forks
24Releases
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.
Major 1Minor 10Patch 13
Each point covers 5 days.
OpenSSF Scorecard 2.9 / 10
2.9aggregate
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).
| 10 | Binary-Artifacts | no binaries found in the repo |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 0 | CI-Tests | 0 out of 5 merged PRs checked by a CI test -- score normalized to 0 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 2 | Code-Review | Found 5/25 approved changesets -- score normalized to 2 |
| 0 | Contributors | project has 0 contributing companies or organizations -- score normalized to 0 |
| n/a | Dangerous-Workflow | no workflows found |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 9 | License | license file detected |
| 2 | Maintained | 3 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 2 |
| n/a | Packaging | packaging workflow not detected |
| n/a | Pinned-Dependencies | no dependencies found |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| n/a | Signed-Releases | no releases found |
| n/a | Token-Permissions | No tokens found |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
Direct dependencies 8
| Registry | Package | Version constraint | Manifest |
|---|---|---|---|
| NuGet | DocumentFormat.OpenXml | 3.5.1 | LargeXlsx.Tests/LargeXlsx.Tests.csproj |
| NuGet | EPPlus | [4.5.3.3,5.0.0) | LargeXlsx.Tests/LargeXlsx.Tests.csproj |
| NuGet | nunit | 4.6.1 | LargeXlsx.Tests/LargeXlsx.Tests.csproj |
| NuGet | NUnit3TestAdapter | 6.2.0 | LargeXlsx.Tests/LargeXlsx.Tests.csproj |
| NuGet | Microsoft.NET.Test.Sdk | 18.8.1 | LargeXlsx.Tests/LargeXlsx.Tests.csproj |
| NuGet | Shouldly | 4.3.0 | LargeXlsx.Tests/LargeXlsx.Tests.csproj |
| NuGet | SharpCompress | 0.50.1 | LargeXlsx/LargeXlsx.csproj |
| NuGet | System.Memory | 4.6.3 | LargeXlsx/LargeXlsx.csproj |
All dependencies 8
Full resolved dependency set from the GitHub dependency graph: 8 direct and 0 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|---|---|---|
| NuGet | DocumentFormat.OpenXml | 3.5.1 | direct |
| NuGet | EPPlus | — | direct |
| NuGet | Microsoft.NET.Test.Sdk | 18.8.1 | direct |
| NuGet | NUnit | 4.6.1 | direct |
| NuGet | NUnit3TestAdapter | 6.2.0 | direct |
| NuGet | SharpCompress | 0.50.1 | direct |
| NuGet | Shouldly | 4.3.0 | direct |
| NuGet | System.Memory | 4.6.3 | direct |
Dependency advisories 0
This repository publishes no package the index resolves, so its own dependency graph was assessed — 7 packages, which also include development and test pins that never ship: 0 carry known advisories, of which 0 are direct. 1 could not be assessed — no resolved version, an unsupported ecosystem, or beyond the reported package list.
No known advisories affect the assessed dependencies.
An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.
Raw JSON report machine-readable
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{
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"license_state": "custom",
"license_spdx": null
}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 v1.13.0, schema v0.27.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics — NuGet.