TinyExtensionPack is a free Chrome extension developed by nobu. It falls under the category of Browsers and is specifically categorized as Add-ons & Tools. This extension is a collection of various small features that enhance the browsing experience.

Currently, TinyExtensionPack includes the following features:

• Change the color and caption of the comment input field in Google+ general posts.
• Modify the background color of Google+.
• Display Instagram pages in a 3-column layout.
• Resize images on 500px to a smaller size.
• Remove posts in Google+ stream that have been +1'd by others.
• Hide specific tags from the Google+ stream.
• Dim Twitter icons for a subtle appearance.

While TinyExtensionPack may seem like a personal collection of features, it is designed to allow easy addition of new functionalities. If you are interested, you can refer to the provided link to create your own modules and contribute to the extension's development.

Please note that TinyExtensionPack is only available for the Chrome platform and is completely free to use.