This program supports active open-source projects that are carefully maintained and distributed through Docker Hub.

For Sync-in, this is an important milestone. It recognizes the work behind an open-source platform that is useful, maintained for the long term, and designed for people and teams who want to keep control of their data.

Beyond this recognition, it is also great news for users: public images under the Sync-in namespace are no longer subject to Docker Hub pull rate limits.

Thank you to Docker for this support, and above all, a big thank you to everyone using, testing, sharing, or contributing to Sync-in.

Your feedback and contributions help move the platform forward ❤️

It brings improvements to full-text search (PDF OCR, Markdown indexing), and introduces space management from the administration panel as well as a new event system, enabling dynamic updates of quotas and content indexing.

✨ Features​

• Improved search and indexing

  • Images in PDF files are now indexed using OCR (Optical Character Recognition).
  • Markdown file content is now included in indexing.

  ➡️ OCR configuration

• Space management from the administration panel
  Administrators can now create and manage spaces, and handle quotas directly from the admin interface.

• Guest personal group management
  Managers can now manage guests’ personal groups from the guest profile settings.

• Internal file event system
  File actions now generate events handled by a dedicated processor.
  Depending on their nature, these events automatically trigger:

  • storage usage calculation per space and per user
  • full-text indexing (if enabled).

  This mechanism improves consistency and the dynamic updating of file-related information.

• Extended LDAP support with tlsOptions
  The LDAP configuration now supports additional Node.js TLS options (such as ca or rejectUnauthorized, etc.).

  ➡️ View LDAP options

• Aggregated storage display
  The administration interface now displays total storage usage for users and spaces.

• Enhanced group search
  Group search now takes their description into account.

• PDF opening via pdf.js by default
  PDF files now open in the pdf.js viewer, with the option to switch to edit mode if OnlyOffice is enabled.

🐞 Fixes​

• Fixed parallel execution of the indexing scheduler
  The indexing scheduler now prevents concurrent executions.

• Improved reliability of cached storage quota updates
  In some cases, the storage quota was correctly persisted in the database but not properly reflected in the cache.

• Improved error handling for HEAD requests
  Errors when opening documents via HEAD requests are now properly reported.

• Restored access to shares via WebDAV

• Fixed encoding of special characters in certain URLs
  Some URLs containing special characters, such as #, and pointing to files were not properly encoded.

• Hardened group and guest management
  Several fixes improve name handling, cache invalidation, guest account renaming, and prevent assigning a guest as manager.

• Web interface
  Various visual and usability fixes, including font sizes, tooltips, notifications, and certain input fields.

🛡️ Security​

• Basic Auth security hardening
  The cache key is now based on a hash, eliminating case-related collisions and preventing the storage of decodable identifiers.

• Fixed a security vulnerability: CVE-2026-41161
  A flaw allowed user account enumeration via the login endpoint through response time analysis, particularly in brute-force scenarios.

📥 Upgrade to Sync-in 2.2 now to benefit from all fixes and improvements.

➡️ View the release on GitHub

This release brings many improvements to the user experience, with an interface that is clearer, more consistent, and more uniform.

We also invite you to discover and test this new interface directly on our demo instance.

For several years, Sync-in has evolved and grown with new features. Over time, it became natural to revisit the interface to improve consistency and better support current application usage.

From navigation to dialogs, most modules have been revisited to improve readability, consistency, and adaptation to different screen sizes.

✨ Interface Improvements​

• Visual interface refresh

  Light and dark themes have been harmonized, as well as the main interface components. Interface dimensions and spacing have also been revised to improve readability and visual balance. A new typography has also been adopted to improve readability across all systems and platforms.

• Navigation and interface organization

  Application navigation has been redesigned with the introduction of a new left navigation sidebar and various adjustments to the navigation bar and side panels. These changes improve interface organization and space usage, while providing better adaptation to different screen sizes.

• User experience improvements

  Several targeted improvements have been made to make daily use of the application smoother. This includes improvements to search, recent items and notifications display, as well as better visual consistency for certain components such as badges, avatars, and permission indicators.

✨ Features​

• Added Dutch language (nl) support

• Added the security.supportPKCE parameter in OIDC configuration
  Allows enabling or disabling the use of the PKCE mechanism.

• Added the FORCE_PERMISSIONS environment variable for Docker
  Allows forcing recursive permissions application. This option is disabled by default to avoid changing permissions on existing data.

• Compatibility validated with OnlyOffice DocumentServer 9.3
  Updated the corresponding Docker image.

🐞 Fixes​

• Timezone fix for MySQL connections
  MySQL connections now consistently use the UTC timezone.

• PDF indexing fix
  Avoids an unnecessary buffer copy and ensures proper document cleanup after indexing.

• Fix an access issue affecting some spaces using external paths
  Unreadable directories are now skipped when walking the filesystem to compute sizes and entry counts.

💻 Desktop Client​

The Sync-in Desktop client version 2.1 also benefits from several improvements and fixes.

• Added Dutch language (nl)
  The client is now available in Dutch.

• Improved server connection dialog
  The configuration dialog can now be closed using the Cancel button.

• Improved compatibility with some Linux distributions
  Fixed an AppImage startup issue on Ubuntu 23.10 and some distributions using restrictive sandbox environments.

• Stability improvements
  Several fixes have been made to improve download handling and login screen display.

📥 Upgrade to Sync-in 2.1 now to benefit from the new interface.

➡️ View the release on GitHub

This evolution is one of the most requested features by the community. It is currently the most upvoted item on our GitHub Discussions page, and we are very excited to deliver it in Sync-in 2.0.

OpenID Connect has established itself as the industry standard for authentication in cloud environments, enterprise IT environments, and sovereign digital ecosystems.
With this integration, Sync-in fully aligns with modern identity architectures, simplifies user onboarding, and improves the overall authentication experience.

The OIDC integration marks a major evolution of Sync-in's authentication model.

This release also introduces a complete overhaul of Desktop and CLI authentication to ensure compatibility with this new authentication architecture.

⚠️ Due to this evolution, the authentication mechanisms used by version 1.x applications are no longer compatible, representing one of the major changes introduced in Sync-in 2.0.

➡️ See the V2 migration guide

✨ Features​

• OpenID Connect (OIDC) authentication support
  Sync-in can now rely on OIDC-compatible identity providers, enabling native integration with enterprise SSO environments and modern identity platforms.

• Desktop and CLI authentication overhaul
  Desktop and CLI applications now support OIDC authentication flows, providing a consistent experience across all platforms.

• OTP recovery codes and application passwords
  Desktop and CLI clients can now use OTP recovery codes as well as application passwords during device enrollment and authentication flows.

• LDAP improvements

  • Optional service account support
  • Automatic permission assignment (autoCreatePermissions)
  • "Break-glass" administrator access support
  • DN/CN support for the adminGroup configuration
  • Support for groupOfNames in addition to memberOf for group resolution

• Logging system improvements
  Added a jsonOutput option to output logs in JSON format, making integration with observability tools and centralized logging platforms easier.

• Improved configuration error messages
  More explicit error messages to simplify troubleshooting and deployment.

• User experience improvements

  • Redesign of the recent items page
  • File renaming is now automatically applied when clicking outside the editing area

• Reverse proxy configuration simplification
  Removal of the WebDAV hook related to the X-Forwarded-Proto directive in the Nginx configuration.

🐞 Fixes​

• Fixed decoding of file paths in WebDAV LOCK headers
• Fixed the HTTP status line to ensure compliance with WebDAV specifications (RFC 4918)
• Fixed an issue where the configured IP address was not correctly represented in logs when 0.0.0.0 was used
• Improved error handling when adding sync paths and strengthened validation checks
• Fixed an issue preventing file renaming when file names contained spaces, while preserving correct display

📘 Documentation​

• V2 migration guide
• OpenID Connect authentication
• LDAP authentication

📥 Upgrade to Sync-in 2.0 now and benefit from OpenID Connect support, along with numerous fixes and improvements!

➡️ View the release on GitHub

We are proud to announce its integration into Sync-in, in line with our vision of a sustainable, interoperable, and sovereign platform.

Collabora Online is primarily intended for environments based on open standards and open-source software. The solution provides native support for OpenDocument formats, while ensuring compatibility with Microsoft Office formats.

OnlyOffice and Collabora Online may be complementary depending on the environment.
We therefore chose to allow the joint integration of these solutions within Sync-in, in order to provide broad coverage of editable formats, while taking into account the technical challenges related to file locking.

➡️ To learn more, see the section dedicated to Collabora Online, OnlyOffice, and their comparison.

✨ Features​

• Node.js
  Migration to Node.js 24, while maintaining compatibility with Node.js 22, improving stability and performance.

• Collabora Online integration and multi-editor management
  Ability to use multiple editors, with intelligent editor selection based on the document format, and the option to define a default editor in user preferences.

• Enhanced public links
  Public links now allow not only downloading, but also access, viewing, and editing of documents, depending on formats and access rights.

• Improved file locking
  Reinforced lock management to ensure better compatibility between the different access modes.

• Simplified file opening and management
  A single Open button now replaces the View and Edit actions, simplifying the user journey by automatically managing the opening mode and editor based on context.

• Docker Compose update
  Integration of Collabora Online via Nginx, addition of a dedicated Docker Compose setup, and update of the existing Nginx configuration.

🐞 Fixes​

• Improved display order of recently used files.
• Immediate cache update for access rights on shared links.
• Resolution of translation conflicts affecting the interface date picker.
• Fixed an issue preventing the OTP code request from being displayed on desktop applications.
• Display of the space deactivation date when disabling a space.
• Removal of unwanted redirects when refreshing public links.
• Fixed an issue preventing modifications to existing files.

📘 Documentation​

• Collaborative Editing
• File Locking
• Collabora Docker Compose
• Collabora Reverse Proxy Configuration

📥 Upgrade to version 1.10 now and take advantage of the Collabora Online integration and the latest Sync-in features!

➡️ View the release on GitHub

Mise Sur Orbite is a French company specializing in the hosting and management of servers and Internet services for over 20 years, committed to an ecosystem that fully shares the values upheld by Sync-in: respect for open source, digital sovereignty, transparency, and data control.

Thanks to this partnership, we can now offer a simple and reliable managed hosting solution, designed for those who want to use Sync-in without having to worry about technical administration.

📍 Data hosted in France
🔐 Secure, reliable, and high-performance services
🛠️ Fully managed hosting, without proprietary cloud

This collaboration allows us to make Sync-in more accessible, while remaining true to the principles that have defined the project from the very beginning: accessibility, freedom, independence, and full control over data.

🤝 Many thanks to Mise Sur Orbite for this collaboration, aligned with our convictions and our vision of the digital world.

Selfh.st is an independent publication dedicated to self-hosting and open-source software.

Through its work, the platform:

• highlights innovative self-hosted projects,
• provides a clear and accessible directory,
• helps users discover open-source alternatives and regain control over their data,
• promotes the open-source ecosystem by giving it more visibility.

In a world where proprietary and centralized solutions dominate, this type of initiative is invaluable, and we are proud that Sync-in has earned a place there.

We would like to warmly thank the selfh.st team, and especially Ethan Sholly, for their outstanding work.

By shining a light on free and open-source tools, documenting projects, and building a structured directory of self-hosted applications, they make the ecosystem clearer, more accessible, and more dynamic.

Without this kind of effort, many open-source projects would remain in the shadows. ❤️

💻 Interface & User Experience​

• Updated to the new Sync-in visual identity.
• The image viewer can now browse all images in the current directory, start a slideshow, toggle fullscreen mode, and display detailed image properties.
• Added native editing for all text files, including search, syntax highlighting, lock/unlock, and undo/redo capabilities.
• Added overwrite confirmation dialogs for upload, rename, copy, and move actions.
• Links: users are now redirected directly to the shared directory when accessing it through a link.
• Added the ability to view a directory's size from the information panel in the right sidebar.
• Prevented drag-and-drop operations in spaces where the action is not allowed.

🔐 File Security & Management​

• File Lock Management: users can now request an unlock from the file's lock owner, and the owner of a file can also remove the lock.
• Improved visibility of locks on anchored and shared files.
• Restored access to anchored files from an external location when shared via a link.
• Forced thumbnail generation for broken or older images.
• Fixed copy failures occurring when sample documents were created on a CIFS share.

⚙️ Improvements & Fixes​

• LDAP:
  • cn and mail are now accepted as login attributes.
  • Users can now log in using their email address once they have been identified at least once.
• Fixed an issue affecting the visibility of users within visible groups.
• Added server update notifications.
• Docker Compose now ships with OnlyOffice 9.1.
• Many additional optimizations and bug fixes.

📥 Upgrade to version 1.9 now and enjoy all the latest improvements!

➡️ View the release on GitHub

🌍 Extended Language Support​

• Added 12 new languages. Automatic language detection or manual selection from the user profile.
• Dynamic translation loading for faster startup and smoother switching.

🔍 Search and Storage Enhancements​

• New config parameter to enable or disable the files indexing for a Sync-in instance.
• Full-text search preferences – indexing can now be enabled or disabled for both personal and collaborative spaces.
• Quota and usage tracking:
  • Ability to define a storage quota for shares with an external location
  • The storage used by external locations anchored to spaces is now included in the space's total quota.

⚙️ Improvements​

• FreeBSD support – npm distribution is now compatible with FreeBSD
• Better suited for small systems – reduced the default number of backend workers from 2 to 1 to improve memory efficiency on lightweight setups (e.g. Raspberry Pi).
• Photo thumbnail creation speed improved by 3× – reducing load times across galleries.
• Docker – reduced system dependencies, resulting in a lighter and more efficient image (from 562MB to 357MB, saving 205MB!).
• Automatic cleanup – removes orphaned files and optimizes database tables daily.
• OnlyOffice compatibility – added support for .doc, .xls, and .ppt formats with implicit conversion on save.
• Smarter trash behavior – deleted files from external shares are now moved to the user's trash, while those from external locations linked to spaces go to the space's trash.

📥 Upgrade to version 1.8 now and take advantage of all the latest improvements!

➡️ See the release on GitHub

Driven by the needs expressed by our community, these enhancements provide stronger security for your accounts and reflect our ongoing commitment to safeguarding the integrity and confidentiality of your data.

✨ Features​

• Multi-Factor Authentication (MFA): add an extra layer of protection to your account
• Application Passwords: generate dedicated passwords for your apps and external integrations
• Simplified management of recovery codes and application passwords directly from your user profile
• Desktop clients update: now fully compatible with Multi-Factor Authentication (MFA)
• Support for LDAP attributes specific to Active Directory
• Advanced SMTP configuration: ability to set ignoreTLS and rejectUnauthorized for SMTP transport
• Secure links: inclusion of the link password in the emails sent

📥 Upgrade to version 1.6 today and take advantage of all these improvements!

➡️ Read the documentation about MFA

➡️ View the release on GitHub

https://www.it-connect.fr/tuto-sync-in-plateforme-collaborative-open-source/

For more than a decade, IT-Connect has become a leading French-speaking reference in system and network administration, cybersecurity, cloud, and open source.
The platform stands out for the pedagogical quality of its tutorials and courses, published every week and followed by a large community of IT professionals and enthusiasts.

Through his work, Florian Burnel makes complex technical knowledge accessible and helps many readers build new skills. His clear and educational approach has turned IT-Connect into a true online school for the IT community.

By dedicating both a tutorial and a video to Sync-in, IT-Connect once again confirms its key role: promoting and spreading open source solutions to a curious, demanding audience in search of respectful and user-centric tools.

A big thank you to Florian and IT-Connect for their support, their commitment, and their continuous contribution to the open source ecosystem ❤️

The server can now be installed as a native Node.js package.

A CLI (sync-in-server) is available to manage configuration, start/stop the server, run migrations, and more.

➡️ Read the NPM setup guide

This release makes it easier than ever to integrate Sync-in into your existing infrastructure without relying on Docker.

🔧 Improvements in 1.3.0​

• Package published as scoped module @sync-in/server
• New CLI to manage server
• New option in the logger config section to customize log file path

➡️ View the package on NPM
➡️ See the release on GitHub

✨ New Features​

• Server configuration can now be overridden using SYNCIN_ environment variables
• Support for PUID/PGID in the Docker image for better file permission handling

➡️ Read the documentation

🛠️ Fixes​

• Proper encoding of file paths with special characters + improved error handling in the backend
• Reliable detection of .mp4 video files
• Improved rendering of very wide images (aspect ratio preserved)
• Smoother triggering of the context menu
• Removal of duplicate entries in recursive shares

🔐 Security​

• Security patches: Path Traversal and SSRF

❤️ Community​

Huge thanks to Alex Zalo for his thorough security audit 🙏
And welcome to Tibs who just joined the Sync-in organization 🎉

📥 Upgrade to version 1.2.0 now and take advantage of all the latest improvements!

➡️ See the release on GitHub

https://korben.info/sync-in-alternative-francaise-nextcloud-dechire.html

Korben has long been a key figure in the French-speaking tech world, known for his passion for technology, cybersecurity, and of course, open source.
Through his articles, he regularly highlights open source projects, often created by independent developers or small teams.
His work plays a major role in bringing these solutions to a wider audience and in recognizing the efforts of those who build open, accessible, and user-respecting tools.

Thank him for his support ❤️

If you use Sync-in and love it, feel free to:

• 👍 Upvote us
• 💬 Leave a review
• 📣 Share the listing

Help us grow:

🔗 View our listing here

Thanks for your continued support ! 🙌

Sync-in was not born out of a marketing brief or a business opportunity, but from a concrete need:
accessing files remotely, sharing easily with loved ones, protecting data effectively, all through a modern and fast interface.

Over the years, Sync-in has evolved, undergone several redesigns, and grown to adapt to diverse use cases: personal, professional, or collaborative.

Why Sync-in?​

Because our data belongs to us.
Because everyone should be able to work, collaborate, organize, and share without depending on an opaque cloud or a company that monetizes its users.

Privacy is not a feature, it's a commitment.

Sync-in is built on this conviction, with an architecture designed for flexibility, strong privacy guarantees, and a modern experience without compromise.
The solution has been designed as a trusted space, respectful of its users, modular, self-hostable, and capable of meeting the needs of an individual, a small team, an association, or a company.

Built to evolve with its community​

The public launch is just a milestone. New features are already in development, and community feedback will be essential to guide the product's evolution in the right direction.

Support the project​

Sync-in is a free, independent, and self-funded project.

If you like this initiative, want to support its development, or simply wish to show appreciation for the work done, you can support Sync-in.

💛 Support Us