# Leseratte10/acsm-calibre-plugin

Calibre plugin for ACSM->EPUB and ACSM->PDF conversion.

Repository: https://github.com/Leseratte10/acsm-calibre-plugin
Canonical: https://ross.abutalabs.com/products/acsm-calibre-plugin
Homepage: https://www.mobileread.com/forums/showthread.php?t=341975
Language: Python
License: GPL-3.0
License Family: copyleft
Topics: epub, acsm, adobe, adept, adobe-digital-editions, calibre, calibre-plugin
Last push: 2026-07-26T13:30:22+00:00

## Health v2 (maintenance only)
Score: 65/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 94, release rhythm 8, longevity 100
- inputs: {"age_days": 1809, "days_push": 38, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1282, forks 77 (observed 2026-08-28T04:04:13.980896+00:00)

## What it is
A Calibre FileType plugin that converts ACSM files into EPUB or PDF without needing Adobe Digital Editions, implemented as a full Python reimplementation of libgourou. It supports AdobeID account linking, anonymous authorization, and importing existing ADE activations.

## Use cases
- convert acsm files to epub without adobe digital editions
- open library ebooks in calibre from acsm files
- fulfill adobe adept ebook loans on linux
- import acsm ebooks into calibre on windows and mac
- replace adobe digital editions with an open-source tool
- manage adobe activations for ebooks in calibre

## When to choose
- you use Calibre and receive ACSM files from libraries or stores
- you want a cross-platform, Adobe-free way to fulfill ACSM files
- you want to pair it with DeDRM to remove DRM from your purchased ebooks

## When to avoid
- you don't use Calibre and need a standalone ACSM converter
- you need a tool officially approved by Adobe
- you only need to read DRM-free EPUB or PDF files

## Facets
- artifact type: plugin
- maturity: active
- function: file-upload, pdf, security
- domain: files, pdf, privacy, developer-tools
- platform: cross-platform, python
- tags: calibre-plugin, acsm, epub, adobe-digital-editions, drm, ebook, libgourou, desktop

## Member repositories
- Leseratte10/acsm-calibre-plugin (main) score 65

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:13.980896+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:57:39.871190+00:00, confidence not recorded.
  - readme: https://github.com/Leseratte10/acsm-calibre-plugin (fetched 2026-08-28T04:04:13.980896+00:00, sha 3dbf20de80da)
  - homepage: https://www.mobileread.com/forums/showthread.php?t=341975 (fetched 2026-08-29T12:12:53.045907+00:00, sha a13215122343)
  - site_page: https://www.mobileread.com/forums/showthread.php?s=b601105980500c887e2324a0fc05d9f2&t=283406 (fetched 2026-08-29T12:12:53.050568+00:00, sha 9767ed90e8c4)
- Data as of 2026-08-30T08:39:29.467469+00:00.