Open Source Office Suites
A curated collection of the best open source software suites bundling documents, spreadsheets, presentations, and related productivity applications..
See also:Document EditorsSpreadsheets
Secure collaboration with end-to-end encryption
Stars
8,054Last commit
2 days agoLicense
AGPL-3.0
Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.
Open Source Alternative to:
Complete office suite for documents, spreadsheets & more
Stars
7,100Last commit
13 days agoLicense
AGPL-3.0
Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.
Open Source Alternative to:
A spreadsheet engine you can embed, self-host, or run in the browser
Stars
4,253Last commit
1 day agoLicense
Apache-2.0
IronCalc is an open-source, Rust-powered spreadsheet engine with .xlsx support, 300+ functions, and bindings for JavaScript and Python.
Open Source Alternative to:
Free office suite with Microsoft compatibility
Stars
Stars growing over the last 30 days4,618Last commit
15 hours agoLicense
GPL-3.0
Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.
Open Source Alternative to:
Open-source document editing suite for secure collaboration
Stars
3,394Last commit
22 hours agoLicense
Unknown
Powerful online document editor with Microsoft Office compatibility. Integrate into your infrastructure or use trusted hosting partners for secure team collaboration.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Stellar Hosted