Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
X1 Search - X1's Lightning-Fast Search Software. Premium Alternative to Windows Desktop and Outlook Search.
MailClark - The Slack bot for external communications