Shrine is a toolkit for file attachments in Ruby applications. It supports uploading, downloading, processing and deleting IO objects, backed by various storage engines. It uses efficient streaming for low memory usage. Shrine comes with a high-level interface for attaching uploaded files to database records, saving their location and metadata to a database column, and tying them to record's lifecycle. It natively supports background jobs and direct uploads for fully asynchronous user experience.

A malware/botnet analysis framework written in Ruby.

Collects PDD puzzles from a source code base

Converts Word docx files into html or LaTeX via the kramdown syntax. It supports Word's most common paragraph, character and mixed styles (Title, Heading, Strong, Quote), footnotes, line breaks, page breaks, non-breaking spaces and images with captions. The output is in kramdown syntax (see http://kramdown.gettalong.org/) which can be converted into beautiful html and LaTex code.

This gem is simple Paperclip processor which uses Docsplit to convert uploaded files to pdf, or extract information/thumbnails from them

ruby-filemagic and mime-types for carrierwave

Adds the convert method to Emojidex::Collection and Emojidex::Emoji, which\ allows you to convert an emoji collection or a single emoji to the specified\ image format.

Apache module providing image resizing functionality.

Will some day have more options like the ability to add/remove stuff.

A command line tool to bulk rename classes and variables in ruby projects

Ruby and Rails code snippets

Debeasy is a simple gem that allows you to programmatically read Debian packages with very little effort.

Ruby implementation of core file-format operations used by DistorteD-Jekyll.

Plugin to discover a upnp media renderer, just install it

Generate and manipulate entire directory trees of either binary or text file content.

Handles uploading files and saving to S3

Find duplicate images in a directory structure

A photo archiver to flickr in ruby

fsinv indexes file systems. It creates a complex inventory of one or more file system hierarchies and supports output formats like JSON, YAML, XML, binary (ruby marshall dump) and SQLite3 db (via active_record).

Diving deep into git with ruby