FYI - Find your documents, like magic 🔮
searchcode - A source code search engine
Findo - Your smart search 🔍 assistant across personal cloud ☁️
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.
Vaultedge - Access all your documents in one place.
The Search - The all in one search engine for PH, DN, HN and GitHub ✊