CI maintained precompiled GCC ARM/ARM64 Toolchains for Raspberry Pi
Cross-platform IDE for developing embedded solutions and desktops
An open source ecosystem for IoT development
Electronic design and programming tools suite like Eagle, MpLab
a very fast full system simulator
Open Utlity is series of unix utlity just like gnu for linux / windows
A very easy-use build toolchain for ARM target on the Windows platform