Best Open Source Collaboration & Communication

Explore open-source Collaboration & Communication with repository signals, licensing, categories, and product details for faster software evaluation.

Collaboration & Communication4 tools

Open-source tools

Showing 4 of 4 curated projects from this topic.

Page 1 of 1

CryptPad

Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.

7,634

AGPL-3.0

Alternative to: Microsoft 365

Colanode

Open-source collaboration platform combining real-time chat, document editing, file sharing, and project management. Self-host for complete control.

4,818

Apache-2.0

Alternative to: Notion

ONLYOFFICE Docs

Open-source online editor for documents, spreadsheets, presentations, and PDFs. Features real-time collaboration, AI integration, and accessibility tools.

6,484

AGPL-3.0

Alternative to: Microsoft 365

LibreOffice

Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.

3,898

GPL-3.0

Alternative to: Microsoft 365