Spectro - Spectro is a freeware audio file analyzer for windows.
Cold Email Hacks - Proven cold email templates and tactics for B2B startups
Lossless Audio Checker - A utility to check whether an audio file is truly lossless or not.
Cold Email Analyzer by Mailshake - Real-time analysis of email subject lines and copy
sndpeek - a real-time audio visualization tool (animated, 3D)
How to Nail Cold Email Ebook - Create unbeatable sales outreach campaigns