Best of the week of May 18, 2015

Pexels 2.0 The best free stock photos in one place

Popcorn Time In Your Browser Watch movies instantly on the web for free

InboxSDK First usable API to write Gmail Apps for 1B active users

Slack List A handpicked selection of the top Slack groups

Elon Musk Biography A book on Tesla, SpaceX, & the quest for a fantastic future

Automatic Turn your car into a smart car

Google Tone Exchange URLs with nearby computers (using sound)

Paribus Get refunds you didn't know you had coming, effortlessly

Spotify Now Video, podcasts, smart playlists & more (pre-launch)

PinMePublish Sites in Seconds. Tamper-proof by design.

Docady Keep tabs on every important piece of paperwork in your life

Diffbot Extract content from articles, products, videos and more

freeCodeCamp Learn to code for free

Paragraphs A minimalist writing app for Mac

Noisli 2.0 Improve focus and boost your productivity with ambient noise

Universal-3 Pro by AssemblyAISpeech-to-text that finally understands context

SmartIcons Infinite icon system for the modern web.

Iconjar Organize, search and use icons the easy way

App Store Sales Reporter Daily download and sales reports in Slack and your inbox