Librer is a cross-platform GUI file cataloging program with extensive customization options to suit user preferences. Highly optimized for multi-core parallel search speed, data integrity, and repository portability.

The primary purpose of this software is to enable users to catalog their files, especially on removable media such as memory cards and portable drives. It allows user to add metadata, referred to here as custom data, and later search the created records with multiple criteria.

Librer allows you to search files using regular expressions, glob expressions and fuzzy matching on both filenames and custom data. Created data records can be exported and imported to share data with others or for backup purposes.