DuckDuckGo (DDG) has become my favourite search engine. The primary reason I switched was because it isn't a Google nor other big tech jerk thing, and that it doesn't do any tracking or data hoarding.
There are pleanty of other neat things too: The search results are good, you can easily use it to search Open Street Map, the bang searches and other handy shortcuts like easy currency conversion, maths, etc.
| ||Search within particular website. You can get fancy with this and use it to search multiple domains, search a TLD, exclude a domain…|
| ||Search for particular files|
One of the features I use the most in DDG are the bangs. These are shortcuts you can use to search a lot of different websites (see: duckduckgo.com/bang).
To use you just type an exclamation mark followed by the abbreviation, then a space, then your search term.
Here're the ones I use most often:
| ||Arch Linux Wiki|
| ||The Arch User Repository package database|
| ||Internet Archive|
| ||IsThereAnyDeal (videogame sale history)|
| ||Linux manuals (AKA: man pages)|
| ||staticICE (Australian PC parts price comparison)|
| ||Trove (Australian libraries search)|
| ||Wayback Machine|
| ||Warframe Wiki|