Gitako is described as 'The missing part of GitHub' and is an app in the Web Browsers category. There are four alternatives to Gitako for a variety of platforms, including Online / Web-based, Safari, Firefox, Google Chrome and IntelliJ IDEA. The best alternative is Sourcegraph, which is both free and Open Source. Other great apps like Gitako are Octotree (Paid), CodeWyng (Free) and Insight.io (Free Personal).
Powerful, instant code search across all your code: * Search in files and diffs using simple terms, regular expressions, and other filters. * Syncs repositories with your code host and supports searching any commit/branch, with no indexing delay.
Web-based code search and browsing platform which understands your code just like your IDE does and works out of the box. You can view the source code of hundreds of popular projects such as Apache Hadoop or Android.