InjOffice Alternatives

Apps similar to InjOffice include LibreOffice, which is free and open source. Other options are ONLYOFFICE, Google Docs, CryptPad and Microsoft 365 Copilot. Office Suites like InjOffice are a crowded field, with more than 50 alternatives for Windows, Android, the web, Mac and Linux.

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InjOffice alternatives page was last updated Sep 24, 2026

Thinkfree Office
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A self-hosted office suite for viewing, editing, and collaborating on DOCX, XLSX, and PPTX files. It also enables LLMs and AI applications to generate, edit, and automate Office documents.
Cost / License
Paid
Proprietary
Application typeApplication types
Word Processor
Spreadsheet
Origin
South Korea
Since
Since 2026
Platforms
Online
Self-Hosted
Docker
Kubernetes
South Korea
+2
Good alternative?Is Thinkfree Office a good alternative to InjOffice?
Ultra Office
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Ultra Office is the best free office & PDF software - a perfect alternative to Word, Excel, Powerpoint & Adobe PDF.
Cost / License
Freemium
Proprietary
Application typeApplication types
Word Processor
Office Suite
Origin
United States
Since
Since 2019
Platforms
Windows
United States
+1
Good alternative?Is Ultra Office a good alternative to InjOffice?
MyOffice (NTC)
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A set of office applications for creating text and spreadsheet documents: "MyOffice Text" and "MyOffice Spreadsheet".
Cost / License
Free Personal
Proprietary
Application typeApplication types
Word Processor
Spreadsheet
Origin
Russia
Since
Since 2022
Platforms
Windows
Mac
Linux
Android
iPhone
iPad
Russia
Good alternative?Is MyOffice (NTC) a good alternative to InjOffice?

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