ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
LightShot - The fastest way to take a customizable screenshot.
dnGREP - dnGrep allows you to search across files with easy-to-read results.