Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
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
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
MailClark - The Slack bot for external communications
Anytxt Desktop Search - Anytxt is Desktop Search Tool with A Powerful Full-Text Search Engine.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.