A collective list of free APIs

Robust Speech Recognition via Large-Scale Weak Supervision

An open-source remote desktop application designed for self-hosting, as an alternative to

Virtual whiteboard for sketching hand-drawn like diagrams

Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API

《动手学深度学习》：面向中文读者、能运行、可讨论。中英文版被70多个国家的500多所大学用于教学。