Eternida vs Vivliostyle

Eternida is a browser-based service for turning memories, photographs, letters, and stories into a book, narrated film, and private family space. Memories can be shared through conversation, writing, photographs, or voice, while relatives can add interviews, photos, and memories to a profile. An AI collaborator helps shape recollections and answers into chapters in the user’s voice. Uploaded audio can be transcribed with Whisper into searchable, editable text for stories. Eternida produces print-ready PDF books and shareable narrated films, and raw stories can be exported at any time. Stories are private by default, encrypted in transit and at rest, and not sold or used to train public models. It works in a browser on a computer, tablet, or phone without installation. The Free plan costs nothing and includes browsing profiles and stories, reading public content, and creating a profile. Credit packs start at $2.99, paid once, provide 300–8,000 credits, and never expire.

Vivliostyle is an open-source typesetting project for digital and web publishing based on web standards. Vivliostyle Viewer presents HTML with CSS typesetting in a browser and can display EPUB files and web publications. The command-line tool typesets HTML and CSS and exports PDFs, including PDFs generated from EPUB files. For print production, its PRESS-READY option supports PDF/X-1a output and requires Ghostscript and Xpdf.

Vivliostyle Pub is a web application for editing text, Markdown, or HTML and previewing typesetting; its new version is in alpha. Themes are distributed as npm packages and applied through vivliostyle.config.js. Viewer can display HTML hosted on GitHub or Gist, or be copied into a public web-server directory. The CLI requires Node.js, and the installation tutorial lists macOS, Windows, and Linux. Vivliostyle uses AGPLv3, which allows modification and commercial use subject to reciprocal license terms. Its FAQ says publications made with the software need not publish their HTML or CSS source data. The project is maintained by Vivliostyle Foundation.