Tumblr is a "feature rich and free blog hosting platform." Tumbl_rb is a ruby wrapper around v2 of the tumblr API.

Command prompt which makes it easy to add Tumblr posts to your Day One journal.

Automate a number of tasks for your Tumblr Drafts and Queue such as: tagging, stripping previous comments and moving Drafts to your Queue. Visit the homepage for information on the latest release or to file a bug report!

Cinch gem that logs every link posted in the channel to a Tumblr

SimpleTumblr provides a simple – ActiveRecord::Relation like – way to interact with the Tumblr API.

Tumblargh aims to reduce suffering involved with building a theme by offering a way to fully develop, lint and test Tumblr themes locally, with real posts from any existing Tumblog.

A webserver built to help you test tumblr themes as you edit them

An easier to use CLI for the Collins asset management system, written by Tumblr

tweetlr crawls twitter for a given term, extracts photos out of the collected tweets' short urls and posts the images to tumblr.

Grumblr is a message poster to Tumblr blogs.

Grumblr is a message poster to Tumblr blogs from GNOME.

A Ruby gem which authenticates an application and allows you to follow your friends on Linkedin, Tumblr and Twitter.

rails-social-share-button is one of the best rails helper gem​ to add social share feature in your Rails app. Such as Twitter, Facebook, Tumblr, Weibo, Douban, QQ...

Integrates Tumblr into your Ruby Apps

Will take a Tumblr template and some data and generate the according HTML

Tumblr style template engine for ruby

Postablr a mountable blog engine similar with focus on tumblr entries style

Ruby client for the Tumblr API

Mechanized tumblr theme uploads

Customizable automated comment generator!