Hissih

Layers — flexible all-in-one project & knowledge management platform. Instant launch via Docker.

SumDoc in the browser: Word-compatible engine, DOCX round-trip intact. WOPI for Nextcloud.

SumSheet in the browser: Excel-compatible engine, keeps VBA and Power Query. WOPI for Nextcloud.

SumOffice preview box: read-only DOCX/XLSX/XLSM previews by the real engines, on your server.

MCP server (stdio): real Word and Excel for agents. .xlsm in, .xlsm out, macros intact. Free.