Apps similar to Ultra Office include LibreOffice, which is free and open source. Other options are ONLYOFFICE, Microsoft 365 Copilot, Apache OpenOffice and WPS Office. There's no shortage of Office Suites like Ultra Office, with more than 25 alternatives for Windows, Linux, Android, Mac and the web.
Comprehensive free office suite supporting word processing, advanced spreadsheets, dynamic presentations, vector drawings, math formulas, and robust database management. Fully compatible with major office formats across all operating systems, it offers extensive capabilities for personal or professional tasks.
Germany
EU
Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.
LatviaEU
Office suite offering productivity tools, document creation, and collaboration. Features AI-enhanced editing, mobile app access to documents and shared workspaces. Formats include word processing, spreadsheets, presentations, and email services.
United States
Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more. All data is stored in an open standard format, though Open Office can also read and write files from other common...
United States
A comprehensive, free office suite offering high compatibility across formats. Supports Android, iOS, Windows, Linux, macOS, and handles text, presentations, spreadsheets, and PDFs. Features document collaboration, multiple languages, strong privacy, and user support.
China
Euro-Office is a self-hostable document server — documents, spreadsheets, presentations, and PDFs — designed to integrate with a platform such as Nextcloud.
An all-in-one online office suite designed for businesses, featuring ad-free and privacy-first tools such as word processor, spreadsheet, presentation application, CRM, email/webmail, and hosted wiki. Enables easy real-time collaboration and integration across various platforms.
India
Experience LibreOffice in your browser with ZetaOffice, featuring device access, self-hosting or CDN deployment, API for tailored integration, and data control. Enjoy a comprehensive suite with Writer for formatting, Calc for data analysis, and Impress for presentations, optimized for performance.
GermanyEU
Suite for secure email, calendaring, file sharing, chat, and online meetings, offering real-time collaboration on docs, GDPR compliance, customizable branding, renewable energy use, advanced user management, and all data hosted in Switzerland.
Switzerland
Murena Workspace is your personal email account, your agenda and contacts, your drive on the cloud and your online office suite. All combined in one single service at murena.io, simple to use. It is powered by proven open-source software like NextCloud and OnlyOffice.
FranceEU
OfficeSuite is a cross-platform office suite for Windows PC, Android, and iOS. It has powerful modules for DOCUMENTS, SPREADSHEETS, PRESENTATIONS, and PDF files.
OfficeSuite is compatible with Microsoft Word, Excel, PowerPoint and Adobe PDF files.
BulgariaEU
AndrOpen Office is a independent port of Apache OpenOffice for Android.
You can view, edit, import, and export PDF, Word, Excel & PowerPoint documents using full features of the OpenOffice in the PC version.
AndrOpen Office has 5 components: Writer a word processor you can.
Japan
