Downloading TumbleNinja 1.6.1 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. This software is an intellectual property of NinjaPinner.com. The program's installer is commonly called TumbleNinja.exe.
The software belongs to Internet & Network Tools. The following versions: 1.6, 1.3 and 1.2 are the most frequently downloaded ones by the program users. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
TumbleNinja is a Tumblr bot that handles all of the repetitive grunt work, saves you large amounts of time, gets you thousands of followers, and helps you generate more profit from this incredibly popular social media blogging platform. It features auto-follow blogs, auto-unfollow blogs, auto-message blog owners, auto-like blog posts, schedule reblogs in advance, and more.
You may want to check out more software, such as PhotoShelter Uploader, VCdb Viewer or EDocSync, which might be similar to TumbleNinja.