With over 850,000 files available it's one of the largest software hosts available. Chances are, the freeware you are searching can be found on Softpedia.
Ninite makes sure that you've downloaded the right file, and that it's not corrupted, by checking the file checksums for each application. This means that you're less likely to end up with a buggy app, or to accidentally download malware/viruses, all with no extra work.
Everything from Steam and iTunes to Putty and Eclipse - likely has most, if not all of the major free applications you use on a regular basis. Check the website for the full list.
Installs apps to their default locations, using your PC's language or one you choose, using Internet Explorer's proxy settings (so you can quickly get Chrome, Firefox, or Opera up and running on a fresh Window install).
Github is first and foremost a code host. It's built around the idea of hosting code and collaborating on working on software projects. Installing software is not as easy and you need to have some knowledge on compiling and building code in case you want to install a project for which the maintainer has not released a compiled binary.
GitHub's UI is clean and intuitive. Each view is designed to not fill the screen with useless information.
For example, the repository view displays only the most crucial data about that repo - on the top it displays the number of commits, branches, releases and contributors. When clicked, each of them will take the user to a page that displays more detailed information.
GitHub is the largest host in the world for open source projects. Developers from all over the world fork and work on countless projects hosted on it.
GitHub's search box is a powerful tool that allows developers to find open source projects in areas they are interested in and where they can immediately start to contribute.
GitHub also has a page dedicated solely at exploring and finding open source projects, grouping them by each topic they cover. In the same view, GitHub displays trending repositories and sorting them by day, week or month.
The community repository contains multiple packages with similar names, making it hard to know which one to install. This is of course only related to using Chocolatey with the community repository, and you can look up the number of downloads to see which are the most widely used.