JanKallman/EPPlus
Create advanced Excel spreadsheets using .NET observed · 2026-08-28
Health v2 · maintenance only
10/100
- Activity 0
- Release rhythm 8
- Longevity 100
Flags: archived no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 3339
- days_rel: n/a
- days_push: 2195
- n_releases_24m: 0
Adoption not part of the score
3777 stars · 1178 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
EPPlus is a .NET library for reading and writing Excel xlsx files using the Office Open XML format, with no dependencies or Excel interop required. This original JanKallman repository is archived; development moved to EPPlusSoftware/EPPlus under a new noncommercial license.
Use cases
- generate excel reports from .net applications
- read xlsx files in c# without excel installed
- create spreadsheets with charts and pivot tables programmatically
- export data grids to excel
- add formulas and conditional formatting to worksheets in code
- encrypt or protect generated excel workbooks
When to choose
- you need a mature LGPL-licensed .NET library for Excel file manipulation without interop
- you want fast cell access via dictionaries and full .NET integration
- you need features like charts, pivot tables, VBA, and formula calculation
When to avoid
- you need ongoing updates or support - use the successor EPPlusSoftware/EPPlus instead
- your project is commercial and you want the newer versions under the Polyform Noncommercial license
- you need to edit other Office formats like docx or pptx
Facets
library · maturity abandoned
serialization file-system spreadsheets files developer-tools dotnet cross-platform excel ooxml xlsx spreadsheet-generation no-interop archived-repository
1 source
- readme: https://github.com/JanKallman/EPPlus · fetched 2026-08-28 · 219de6f5b905
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| JanKallman/EPPlus | main | 10 |
For agents
markdown · JSON · MCP: product_card(name="JanKallman/EPPlus")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem