Collabora Office Classic is described as 'Enterprise-ready on-premise suite with advanced word processing, spreadsheet, and presentation tools, maximizing interoperability and file compatibility' and is a popular Spreadsheet app in the office & productivity category. There are more than 50 alternatives to Collabora Office Classic for a variety of platforms, including Windows, Web-based, Linux, Android and Mac apps. The best Collabora Office Classic alternative is LibreOffice, which is both free and Open Source. Other great apps like Collabora Office Classic are ONLYOFFICE, Microsoft 365 Copilot, CryptPad and Apache OpenOffice.
Gridie is an AI-powered spreadsheet automation tool for Excel and Google Sheets that focuses on reusable workflows instead of one-off AI answers.
South Korea
Office suite that works locally in your web browser. You don't need to create account, everything remains on your device, nothing is sennt to the cloud.
TreeTime is an information organizer that stores text, numbers, and other data in linked trees. Mathematical operations like sums, ratios, and differences are calculated and updated on the fly. It exports to PNG, SVG, HTML, CSV, and plain text, and includes a configurable web interface.
Germany
EU
Ability Office is an office suite developed by Ability Plus Software and distributed and marketed by Ability Software International and which consists of a word processor, spreadsheet, database, modules for presentation and photo or image editing, plus a photo/image organizer...
United Kingdom
OfficeWork is an office online suite that provides a Document, Presentation and Spreadsheet Editor to edit documents, excel spreadsheets and powerpoint slides using the formats DOCX, DOC, XLSX, XLS, PPTX, CSV, ODT, or HTML files.
SpainEU
Microsoft Office documents viewer, open source document and spreadsheets editor, PDF maker, voice recorder, document scanner and file manager, all features in a single app. The best document editing and management suite for iPhone and iPad.
Pakistan
United Kingdom
OrcaSheets is local-first analytics that runs on your laptop, letting you ask questions in plain English and get instant answers from unlimited data. Automate repetitive work, connect your databases, and eliminate cloud bills–all in a lightweight tool that keeps your data yours.
India
A lightweight, keyboard-first spreadsheet that opens your Excel files in about 300ms and gives you a command palette instead of a ribbon.
United States
CyprusEU
LinOffice enables you to run Microsoft Office applications in Linux. In the background, it runs a virtual machine with Windows and Office installed which is then accessed via FreeRDP. LinOffice's aim is to be a "1-click" setup for Microsoft Office in Linux.
