# CryptPad Recent Advances in Privacy and Collaboration > [! note]- > The content of this page is generated by audio/video transcription and text transformation from the content and links of this source. Source: [https://fosdem.org/2025/schedule/event/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration/](https://fosdem.org/2025/schedule/event/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration/) <video src="https://video.fosdem.org/2025/h1308/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration.av1.webm" controls></video> ## Summary & Highlights: CryptPad is an open-source, end-to-end encrypted collaborative office suite developed by XWiki. The session at FOSDEM 2025 highlights recent advancements in the platform, focusing on privacy, collaboration, accessibility, and mobile usability. The presentation covers improvements in OnlyOffice integration, server scalability, and the introduction of new plugins for enhanced functionality. Additionally, the session addresses the importance of privacy in digital collaboration, especially in educational and organizational contexts. **Introduction to CryptPad** CryptPad is an online collaborative office suite that emphasizes privacy through end-to-end encryption. Developed by XWiki, it offers a range of applications including document editing, spreadsheets, and presentations. The platform is open-source, licensed under AGPLv3, and provides a secure alternative to mainstream office suites. **Advancements in Accessibility and Mobile Usability** Significant progress has been made in making CryptPad more accessible and mobile-friendly. Efforts include compliance with Web Content Accessibility Guidelines (WCAG), improvements in keyboard navigation, focus indicators, and responsive design. These enhancements ensure that CryptPad is usable across various devices and by users with different needs. **Server Improvements and Scalability** To address scalability and performance challenges, CryptPad has introduced server improvements such as a new sodium plugin for better cryptographic performance and a distributed server prototype. These changes aim to enhance the reliability and efficiency of the platform, particularly for large-scale deployments. **Funding and Sustainability Challenges** The session discusses CryptPad's funding status, highlighting the reliance on research projects and the need for more sustainable revenue streams. While the platform has seen growth in user numbers, achieving financial sustainability remains a challenge, emphasizing the importance of community support and innovative funding solutions. **Conclusion and Future Directions** CryptPad continues to evolve with a focus on user experience, security, and scalability. Future plans include post-quantum integration, further accessibility improvements, and the replacement of outdated components like CKEditor4. These developments aim to maintain CryptPad's position as a leading secure and collaborative office suite. ## Importance for an eco-social transformation CryptPad plays a crucial role in eco-social transformation by providing a privacy-focused, open-source alternative to mainstream office suites. Its emphasis on end-to-end encryption ensures data security, which is vital for protecting sensitive information in educational and organizational settings. For eco-social designers, CryptPad offers a platform that aligns with ethical and sustainable values, promoting transparency and user control over data. The challenges include achieving financial sustainability and overcoming technical hurdles related to scalability and accessibility. Addressing these issues will enhance CryptPad's impact as a tool for secure and inclusive digital collaboration. ## Slides: | | | | --- | --- | | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_001.jpg\|300]] | The first slide introduces the session titled 'Recent Advances in Privacy and Collaboration' presented by Fabrice Mouhartem at FOSDEM 2025 on February 1st. It sets the stage for a discussion on CryptPad's development and its impact on privacy and collaboration in digital environments. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_002.jpg\|300]] | The second slide provides an introduction to the session, likely outlining the key topics and structure of the presentation. It serves to orient the audience and prepare them for the detailed discussion on CryptPad's advancements. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_003.jpg\|300]] | The third slide reaffirms the focus on CryptPad, with Fabrice Mouhartem leading the discussion on recent advances in privacy and collaboration. It highlights the session's placement within a series of 28 slides, indicating a comprehensive exploration of the topic. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_004.jpg\|300]] | This slide answers the question 'What is CryptPad?' by describing it as an online collaborative office suite. It emphasizes its role in facilitating collaboration while maintaining user privacy through encryption. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_005.jpg\|300]] | Building on the previous slide, this one adds that CryptPad supports end-to-end encrypted real-time collaboration and originated at XWiki ten years ago. It underscores the platform's longevity and commitment to privacy. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_006.jpg\|300]] | The slide elaborates on CryptPad's characteristics, highlighting its status as Free and Open-Source Software under the AGPLv3 license. It provides links to the project website and flagship instance, offering resources for further exploration. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_007.jpg\|300]] | This slide addresses the need for privacy, referencing an external link about Microsoft's privacy violations. It underscores CryptPad's commitment to safeguarding user data, particularly in sensitive environments like schools. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_008.jpg\|300]] | The slide asserts that users can have both privacy and collaboration, reinforcing CryptPad's dual focus. It suggests that the platform does not compromise on either aspect, offering a balanced solution. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_009.jpg\|300]] | This slide outlines CryptPad's development process, which is managed on GitHub and led by the CryptPad Team. It highlights the collaborative nature of the platform's evolution and its reliance on community input. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_010.jpg\|300]] | Expanding on development, the slide mentions quarterly releases and a shift to calendar versioning in 2024. This approach aims to enhance transparency and predictability in CryptPad's update cycle. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_011.jpg\|300]] | The slide details CryptPad's support infrastructure, including an internal support system, GitHub issues, a community forum, and Matrix space. These channels facilitate user engagement and troubleshooting. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_012.jpg\|300]] | This slide introduces changes implemented in CryptPad during 2024, setting the stage for a detailed examination of specific advancements made in the platform. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_013.jpg\|300]] | The slide discusses OnlyOffice, an integral part of CryptPad, listing applications for office tasks like spreadsheets and presentations. It indicates ongoing improvements in stability for these tools. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_014.jpg\|300]] | Continuing the discussion on OnlyOffice, the slide notes improved stability achieved in 2024. It suggests that these enhancements have positively impacted user experience. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_015.jpg\|300]] | The slide outlines next steps for OnlyOffice, including an upgrade to version 8. This planned update reflects CryptPad's commitment to maintaining cutting-edge functionality. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_016.jpg\|300]] | The slide focuses on accessibility, tracking progress towards compliance with WCAG 2.1 AA. It indicates ongoing efforts to make CryptPad more inclusive and user-friendly. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_017.jpg\|300]] | Building on accessibility, the slide identifies current focuses like keyboard navigation, focus indicators, and responsive design. These elements contribute to a more accessible user experience. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_018.jpg\|300]] | The slide details accessibility quickscans conducted in August 2024, targeting WCAG 2.2 AA for apps and drives. It highlights CryptPad's proactive approach to accessibility. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_019.jpg\|300]] | Summarizing the quickscans, the slide acknowledges CryptPad's existing accessibility while noting areas for improvement. It emphasizes ongoing efforts to enhance user inclusivity. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_020.jpg\|300]] | This slide addresses mobile optimization, aiming to enhance UI responsiveness for a better mobile experience. It outlines goals like accessible elements and optimized scaling. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_021.jpg\|300]] | The slide discusses server improvements, introducing a sodium plugin for performance enhancement. It highlights CryptPad's commitment to maintaining efficient and scalable infrastructure. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_022.jpg\|300]] | Building on server improvements, the slide provides a link to a tutorial blog post on the sodium plugin. This resource supports users in optimizing their CryptPad instances. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_023.jpg\|300]] | The slide introduces a monitoring plugin for tracking usage data with Prometheus/Grafana. This tool aids in understanding and optimizing CryptPad's performance. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_024.jpg\|300]] | The slide discusses an SSO plugin, allowing integration with single-sign-on systems like OIDC and SAML. This feature is crucial for organizational use, enhancing security and convenience. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_025.jpg\|300]] | The slide presents a scalable server prototype, an exploratory project aimed at distributing CryptPad's server load. It reflects ongoing efforts to improve scalability. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_026.jpg\|300]] | This slide introduces end-to-end tests, a critical component of CryptPad's quality assurance process. It underscores the importance of thorough testing in maintaining platform reliability. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_027.jpg\|300]] | The slide details the use of Playwright for automated end-to-end testing, including integration with Browserstack for platform diversity. It highlights CryptPad's commitment to robust testing practices. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_028.jpg\|300]] | Continuing the discussion on testing, the slide notes the discovery of bugs via automated tests. It emphasizes the role of testing in identifying and resolving issues before release. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_029.jpg\|300]] | The slide introduces CryptPad's client-side API, enabling integration with external platforms. This feature supports the use of CryptPad as a secure editor without data persistence. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_030.jpg\|300]] | This slide likely provides an overview of CryptPad.fr, the flagship instance, highlighting its role in demonstrating CryptPad's capabilities and serving a broad user base. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_031.jpg\|300]] | The slide addresses infrastructure challenges faced by CryptPad.fr, specifically low quality of service issues encountered in early 2024. It sets the stage for discussing solutions. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_032.jpg\|300]] | Building on infrastructure, the slide notes resource allocation improvements, including more RAM and CPU. These changes aim to enhance CryptPad's performance and reliability. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_033.jpg\|300]] | The slide discusses a ZFS migration, replacing BTRFS to improve data access speed. This infrastructure upgrade is part of ongoing efforts to optimize CryptPad's backend. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_034.jpg\|300]] | This slide introduces CryptPad Cloud, highlighting its role in offering cloud demo and paid instances. It suggests a focus on expanding CryptPad's reach and accessibility. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_035.jpg\|300]] | Expanding on CryptPad Cloud, the slide details features like demo instance creation and instance management support. It emphasizes user empowerment and customization. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_036.jpg\|300]] | The slide presents usage statistics, showing growth in registrations, pad activity, and unique IP addresses from 2023 to 2024. These metrics reflect CryptPad's increasing popularity. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_037.jpg\|300]] | The slide provides a breakdown of usage by country, noting that the United States and Germany account for a significant portion of CryptPad's user base. This geographic data informs strategic planning. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_038.jpg\|300]] | The slide introduces CryptPad's funding status, highlighting transparent management and providing a link to a detailed blog post. It underscores the importance of financial transparency. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_039.jpg\|300]] | Building on funding, the slide notes medium-term financing through research projects. This approach provides stability but underscores the need for diversified revenue streams. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_040.jpg\|300]] | The slide highlights the challenge of achieving sustainability, noting a low conversion rate to paid subscriptions. It calls for more independent revenue sources to ensure CryptPad's longevity. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_041.jpg\|300]] | This slide likely begins the session's conclusion, summarizing key points and reinforcing CryptPad's achievements and ongoing efforts. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_042.jpg\|300]] | The slide concludes the session by highlighting CryptPad's progress on multiple fronts, including UX/UI improvements and backend enhancements. It emphasizes growth and the introduction of new plugins. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_043.jpg\|300]] | The slide outlines next steps, including post-quantum integration, continued accessibility efforts, and feature improvements. These plans reflect CryptPad's commitment to innovation and user satisfaction. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_044.jpg\|300]] | This slide introduces the CryptPad team, listing key members and their roles. It highlights the collaborative effort behind CryptPad's development and success. | ![[FOSDEM 2025/assets/CryptPad-Recent-Advances-in-Privacy-and-Collaborat/preview_045.jpg\|300]] | The final slide thanks the audience and provides contact information for staying in touch with CryptPad. It encourages ongoing engagement and community involvement. ## Links [Slide deck](https://fosdem.org/2025/events/attachments/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration/slides/237926/cryptpad_japTvmW.pdf) [Project Website](https://cryptpad.org/) [Git Repository](https://github.com/xwiki-labs/cryptpad) [Flagship instance](https://cryptpad.fr/) [Video recording (AV1/WebM) - 144.2 MB](https://video.fosdem.org/2025/h1308/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration.av1.webm) [Video recording (MP4) - 901.5 MB](https://video.fosdem.org/2025/h1308/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration.av1.mp4) [Video recording subtitle file (VTT)](https://video.fosdem.org/2025/h1308/fosdem-2025-5033-cryptpad-recent-advances-in-privacy-and-collaboration.av1.vtt) [Chat room(web)](https://chat.fosdem.org/#/room/#fosdem2025:matrix.org) [Chat room(app)](https://matrix.to/#/!fosdem2025:matrix.org)