We loaded an identical 95,000-word manuscript into the leading zero-cost options to evaluate system resource consumption, crash vulnerability, and formatting pipelines.
| Software | Architecture Type | RAM Usage (95k Words) | Offline Capability | Native EPUB Export |
|---|---|---|---|---|
| LibreOffice Writer | Desktop C++ Suite | 185 MB | Full (Native) | Basic (Requires Writer2ePub extension) |
| Manuskript | Desktop Python/Qt | 210 MB | Full (Native) | Yes (via Pandoc integration) |
| Obsidian | Electron / Local Markdown | 340 MB | Full (Native) | Community Plugins Only |
| Google Docs | Cloud / Chromium DOM | 1,420 MB | Partial (Chrome extension required) | Yes (Unstyled, rough navigation) |
