Features:
- not just a browser it's a fully functional native application
- many engines (ddg google bing etc.)
- select the categories you want (some are still WIP)
- choose any searx instance in the settings (just paste the url)
- shows seed/peer number when searching torrents it also has a button for magnet links
- choose a time interval to find more recent results

Source code: https://github.com/boapps/searxer

Credits to Adam Tauber (asciimoo) for creating an awesome metasearch engine.