Embedded/IoT mentor: picks the board and toolchain, estimates cost and battery life.
Free
One server, in developer tools & repos. Embedded/IoT mentor: picks the board and toolchain, estimates cost and battery life.
Developer Tools & Repos
Embedded/IoT mentor: picks the board and toolchain, estimates cost and battery life.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.