Cool Reader - Fast and small cross-platform eBook reader for desktops and handheld devices

Meta Search - Search your Desktop, Google Drive, Dropbox, Gmail, Evernote.

Gitden Reader - For those book readers who want a flow while reading their favorite books via their smartphones will surely like using this application because this simple book reading app has lot of reading features offer to them.

Vaultedge - Access all your documents in one place.

FBReader - FBReader is an e-book reader for various platforms. Features:

Google Cloud Search - Search across all your company's content in G Suite.