Free most popular search software for windows

Astra Search is an intelligent Internet search tool allowing you to search with the most popular search engines (e.g. AltaVista, HotBot, InfoSeek, Excite, Lycos, Direct Hit etc) simultaneously. Astra Search retrieves results with summaries and lists them according to their relevancy. Astra Search is not a stand-alone program, instead of it Astra Search replaces the search bar of your Internet Explorer browser allowing you to browse search results without to start new program. Astra Search provides possibility to select category for your search such as Web, Discussions, Images, Music, Downloads etc, stores the history of your searches and allows to automatically download new engines from our web site.

Searches for SMTP Servers with Relay Facility SMTP Server Search is a simple application designed to search for SMTP Servers with Relay Facility.

Maxthon add-on that will add a combination of 3 different types of binaries searches to your sidebar ComboSearch is a plugin that combines 3 different types of binaries searches in your sidebar. Usenet searches via five of the most popular binaries search sites, and general binaries searches that allow you to search several sites for files and nfo file information.
As these last sites are mainly chinese, the plugin also adds a translation capability to help your search.
The plugin has three snappable windows that expand when dragged away from their frames. As each of the 3 types of searches requires a different approach, the functionality of each window is a bit different:
The Security search window allows you to search several sites individually from a common search criteria, and provides a simple text collector to save information you find during your search.
The Usenet search allows you to bounce between the five search sites to compare their offerings, and allows you to collect results by newsgroup and save it as a formatted list for later retrieval.
The Torrent/P2P window allows you to search 16 sites simultaneously with a single search criteria.
System requirements:
- Maxthon

Maxthon add-on will allow you to perform searches using the KartOO Meta Search engine in the browsers sidebar KartOO Meta Search is a plugin that will allow you to use KartOO advanced searches within the browsers sidebar. KartOO (www.kartoo.com) is a MetaSearch engine that includes searches within Google, Hotbot, Yahoo and other popular search engines.
System requirements:
- Maxthon