Pydio

Pydio is an open source file management application. Initially released in 2007, and renamed from AjaXplorer in 2013, Pydio today has more than 700,000 downloads.

Pydio is a mature open source software solution for file sharing and synchronization. With intuitive user interfaces (web / mobile / desktop), Pydio provides enterprise-grade features to gain back control and privacy of your data: user directory connectors, legacy filesystems drivers, comprehensive admin interface, and much more.

Simple, Sleek, Beautiful

Access your docs from anywhere, from any browser.
Most common formats previews (audio, video, PDF, Office Documents)
Native mobile applications for iOS and Android - WebDAV server embedded
Lucene indexation for quick search

The ultimate sharing machine

Share files or folders as weblinks with outside world
Secure links with a password, an expiration date or a limited number of downloads
Share folders as workspaces with application users.
Get notified when a file or folder is consulted or modified
Choose layout for minisites and customize public links

An admin's heaven

Pydio is regularly audited by security experts, and if a vulnerability is found, it will be immediately patched.
Pydio users & groups can be mapped directly from an LDAP/AD, or from the most common PHP-based CMS.
Modularity is in the heart of the application: access existing data sources (FileSystem, (s)FTP, S3, etc), develop your own plugins
Monitor users activities in real-time