Hitomi opens CSV or data/logs in non-standard formats instantly and offers intuitive and powerful filtering and analysis options.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Windows
- Linux

One of the most popular alternatives to ONLYOFFICE is LibreOffice, which is free and open source. Other popular alternatives are Google Docs, Microsoft 365 Copilot, CryptPad and Apache OpenOffice. You're spoiled for choice with Spreadsheet Apps like ONLYOFFICE: we list more than 50 alternatives for the web, Windows, Android, Mac and Linux.
Hitomi opens CSV or data/logs in non-standard formats instantly and offers intuitive and powerful filtering and analysis options.

mtCellEdit is a lightweight spreadsheet program. It is a small, no frills program which is designed to handle simple day to day spreadsheet tasks.




Create, view and edit native Microsoft Word, Excel and PowerPoint files




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.




MS-365-Electron streamlines your workflow by offering a dedicated desktop interface for the free, web-based version of Microsoft 365. Think of it as a convenient launchpad for web applications like Word, Excel, and PowerPoint, eliminating the need to navigate through browser...



Open-source self-hosted .docx editor with real-time co-editing. Ribbon toolbar, paginated WYSIWYG layout, tracked changes, comments, spell check, and find & replace. Upload a .docx, share a password-protected link, edit together — no accounts, no lock-in.
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...




A good writing program doesn´t have to be expensive: Create and edit your documents with "Write-a-Document". You can open RTF and Word documents, among others. Print your documents or export them as PDF. Includes templates and wizards for many purposes.




Web application to open and edit documents, spreadsheets, and presentations. Integrated with GMX File Storage cloud storage.
Takes notes, write your next article or book. Save as MD or HTML file and open it again. With Writty you also can export in PDF and Plain text. Includes the basic functionalities of any text editor + Dark Mode, a sleek design and RTL support.

CloudOn brings Microsoft 365 Copilot to your iPhone & iPad and links it to your Box, Dropbox, .


