Etherpad vs Hancom Office

Etherpad is a real-time collaborative editor that runs on a server its users control. It attributes edits to authors and preserves revisions; its timeslider lets users review changes character by character and reverse them. Editing includes chat and rich-text tools, while plugins can add comments, images, tables, drawing, video chat, math, code highlighting and authentication. Optional AI is available through plugins, and users can choose the model and infrastructure or leave AI disabled. Etherpad is free and open source under Apache 2.0, with an open data format; the maker says it has no telemetry. An HTTP API covers pad content, authors, groups, sessions and chat, and plugin support includes OAuth, LDAP and OpenID authentication. Apps are listed for Windows, macOS, Linux, Android and iOS, alongside support for modern browsers. Installation instructions require Git and Node.js 24 or later. Deployment documentation includes reverse proxy and HTTPS termination options, as well as Kubernetes. The project dates to 2009 and is maintained by a small volunteer team, with community contact through Discord and email. The site names schools, public institutions, civic projects, newsrooms and teams needing document authorship history among its users.

Hancom Office is a suite of document applications including Hwp, Cell, Show, Addons, Word, and PDF tools. It runs on the web, Windows, macOS, iOS, and Android, with offline desktop apps for Windows and Mac. On Android, the app opens and edits HWP, Office Open XML, PDF, CSV, TXT, and other documents; mobile tools include freehand drawing, notes, annotations, and tablet presenter screen sharing. Hancom Docs adds real-time collaborative editing across devices and can manage Dropbox, Box, Evernote, Google Drive, and OneDrive in one account. The suite supports HWPX documents with tags for reuse as data. Hancom Docs can edit Office files stored in Google Drive, but cannot view or edit Google-created Docs, Sheets, Slides, or Forms. A free plan is listed at free with 2GB storage, viewers for Windows and Mac, and web/mobile Hancom Office. Commercial users and organizations must use the Business plan; pricing is listed on request.