Blink - Code Search is described as 'Instant code search, source files filter and locator. Index management for multiple projects'. There are more than 10 alternatives to Blink - Code Search for a variety of platforms, including Online / Web-based, Linux, Windows, Mac and Self-Hosted solutions. The best alternative is Sourcetrail, which is both free and Open Source. Other great apps like Blink - Code Search are Codacy (Freemium), Source Insight (Paid), Understand (Paid) and Source-Navigator NG (Free, Open Source).
ftnchek is a static analyzer for Fortran 77 programs. It is designed to detect certain errors in a Fortran program that a compiler usually does not. ftnchek is not primarily intended to detect syntax errors. Its purpose is to assist the user in finding semantic errors.
CodeNavigator is a developer's tool for browsing source code using CScope. It can help you to understand the structure of the code very easily and also include syntax highlighting support for many coding languages.
Woboq Code Browser is a web-based C and C++ code browser that uses a desktop component to generate static HTML pages for code analysis. It focuses on improving the code navigation with proper semantic highlighting and tooltips.