CryptPad

CryptPad is a privacy-focused collaboration platform that puts security at the forefront of team productivity. Built with end-to-end encryption, every document, spreadsheet, presentation, and shared file remains completely private - even the server administrators cannot access your content.

This open-source suite provides all essential collaboration tools including:

• Real-time document editing with rich text formatting
• Spreadsheet collaboration for data analysis and planning
• Presentation creation for professional slideshows
• Secure file storage and sharing capabilities
• Team workspaces for organized project management
• Anonymous collaboration without requiring personal information

Unlike traditional cloud platforms, CryptPad ensures your sensitive business data never leaves your control. The zero-knowledge architecture means encryption happens in your browser before data reaches the servers, making it impossible for third parties to intercept or access your work.

Perfect for organizations prioritizing data sovereignty, remote teams handling confidential information, and privacy-conscious users who refuse to compromise security for convenience.