The world's best Handwriting API. Every instance of a letter is different.

Push Updates to Linux Devices with Git and Docker

Easily collect, visualize, and understand app usage data at scale

Managed bug bounty programs, better security testing

Image optimization and compression API

Scaffolding for SaaS apps- auth, password reset, team billing, two-factor authentication, profile photos, and more

Turn any file into a real-time activity feed and conversation

The ridiculously easy way to build your web presence. Get your very own domain name, email address, and webpage.

Shipping for developers

Spotify’s component-driven UI framework for iOS

Extract Data Form PDF Files & Automate Your Business

Create market—specific messaging, imagery and UI—and publish with a single click

Open Source Cross-Platform Machine Learning Tools (by Facebook)

Build conversational voice and text interfaces, using the same deep learning technologies as Alexa

The extensible iOS and OS X animation library behind Facebook's Paper

Boot large ruby/rails apps faster, by Shopify

Tesseract Open Source OCR Engine

Make Your Javascript Application Protect Itself From Tampering, Reverse-Engineering, Code and IP Theft