There are 3 repositories under hexrays topic.
A Coverage Explorer for Reverse Engineers
A Trace Explorer for Reverse Engineers
An Interactive Binary Patching Plugin for IDA Pro
An Interactive Hex-Rays Microcode Explorer
Hexrays Toolbox - Find code patterns within the Hexrays ctree
HexRays ctree visualization plugin
An AVX Lifter for the Hex-Rays Decompiler
The CrowdDetox plugin for Hex-Rays automatically removes junk code and variables from Hex-Rays function decompilations.
Various scripts for the Hexrays decompiler
Hex-Rays Decompiler plugin for better code navigation. Add support ida7.0/7.1/7.2 for macOS
Run IDA scripts headlessly.
IDA 7.x VisualStudio 2017 Sample Project for IDA and HexRays plugins (works with Community Edition)
MBBSDASM Hex-Rays IDA IDS/IDT Files for MajorBBS/Worldgroup Modules
Hex-Rays Decompiler plugin for better code navigation. plugin for IDA Pro.