LibHunt - LibHunt tracks mentions of software libraries on relevant social networks. Based on that data, you can find the most popular projects and their alternatives.
Figma Super Tidy - Figma plugin to easily align, rename and reorder your frames
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
Easometric Figma Plugin - With Easometric it's really easy to create isometric layers.
JSter - JSter is a community-driven catalog of the most useful javascript libraries.
Design Lint - A design linting plugin for Figma.