Description: CircuitLab is an easy-to-use, online circuit simulator and schematic capture tool. It allows users to easily create, analyze and share circuit designs with drag-and-drop interface and simulated interactive testing.
Type: software
Pricing: Freemium
Description: Substack is an email newsletter platform that allows writers and publishers to easily create, design, and distribute email newsletters. It aims to let freelance writers and bloggers build direct relationships with readers.
Type: software
Pricing: Subscription