HackMD vs Nextcloud Office

HackMD has no write-up on Specifiction yet; its figures are above.

Nextcloud Office is a collaborative suite for editing text documents, spreadsheets, presentations, and PDFs. Powered by Euro-Office, it works with Microsoft file formats and ODF; Nextcloud says OOXML files receive high-fidelity rendering. Write supports shared drafting, comments, tracked changes, and exports. Spreadsheet includes formulas, functions, sorting, filtering, and visualizations. Present handles animations and multimedia, with presenter tools and exports to PPTX, ODP, PDF, and images; the PDF Editor supports comments, annotations, redactions, and fillable forms. People can share and edit files together through web and mobile interfaces while keeping them on their Nextcloud server. Integrations include links to Nextcloud content, document conversion, and document chat with Nextcloud Assistant. It runs on Android, iOS, Linux, macOS, Windows, web, and self-hosted deployments. The suite is free and open source. Enterprise subscriptions start at 100 users; Standard is €71.29 a year, Premium €104.99 a year, and Ultimate €204.75 a year, with Office optional at extra cost on each plan.