Apps similar to Rizonesoft Office include LibreOffice, which is free and open source. Other options are ONLYOFFICE, CryptPad, Microsoft 365 Copilot and Apache OpenOffice. There's no shortage of Office Suites like Rizonesoft Office, with more than 25 alternatives for Windows, Linux, Android, Mac and the web.
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.
Complete suite providing productivity, unified communication, and collaboration tools in one package, featuring integrated email, chat, cloud file management, presentations, spreadsheets, word processing, social intranet, webinars, and online meeting solutions.
India
Create, edit, and save Word, Excel, PowerPoint, PDF, and HWP files offline, sync files with free and third-party cloud storage, attach files to email, cast documents to Chromecast, use desktop and mobile clients, insert images, videos, and collaborate on shared documents.
China
Ultra Office is the best free office & PDF software - a perfect alternative to Word, Excel, Powerpoint & Adobe PDF.
United States
Office software suite combines word processing, spreadsheets, and presentations with full Microsoft Office compatibility, OOXML and ODF support, fast loading, intuitive interface, priority tech support, and security features for teams and enterprises.
Taiwan
AI-first, open-source office app for documents, spreadsheets, presentations, and PDFs—with desktop and browser editing, plus TypeScript and Go APIs.
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.
Free, open-source AI Office suite: Docs, Sheets, Slides, PDF, Markdown and HTML editors with a built-in AI agent, plus a genoffice CLI and agent skill so Claude Code, Codex and Cursor can create and edit real .docx/.xlsx/.pptx files locally. Bring your own key. macOS, Windows & Linux.
China
