XSearch is a classic search tool with more features Windows Search does not provide.
License: Free
regain is a search engine similar to web search engines like Google, with the difference that you don't search the web, but your own files and documents. Using regain you can search through large portions of data (several gigabytes!) in split seconds. Developed by Til Schneider and Thomas Tesche
License: Open Source
XSearch stands out with its user-friendly interface and powerful search algorithms, making it suitable for general users. In contrast, Regain focuses on data privacy and advanced analytics, appealing to organizations prioritizing security and in-depth insights.