Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
GB Studio - A free and easy to use game creator for the GameBoy
Moovweb Platform - Other Mobile Development
HugoBot - An integrated scratchpad for PHP
Parse-Server - parse-server. Parse-compatible API server module for Node/Express. JS, 14271, 3819. parse-server-conformance-tests. Conformance tests for parse-server adapters.
OpenEmu - Console and Arcade video game emulator for macOS.