scr.im - Don't share your email on public sites.
Hear - Hear is a sound enhancement application for the Mac.
Spamty - Spamty is a web service to encrypt an email address and share it on the internet.
Krisp - Eliminate background noise, minimize distractions, feel more confident, and activate your communication superpower with Krisp, an AI-powered software solution for effective online meetings.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Quiet Time - A nifty app to reduce noise pollution in the office