B4R - Development tool for native Arduino programs.
Losant - Losant makes building connected experiences and solutions easy.
Circuito.io - Instant code and wiring for your project
Hologram.io - Cellular IoT connectivity that powers innovation
embedXcode - embedXcode is a template for Xcode.
Cisco Jasper - Jasper provides a SaaS IoT platform to enable companies of all sizes to launch, manage and monetize IoT services on a global scale.