157 Upvotes
The Placemeter SensorQuantify your city's movement, anywhere
Mapbox GL for iOSOpen source toolset for custom maps in iOS apps
Google ToneExchange URLs with nearby computers (using sound)
GitHelpThe first code-oriented helping platform for developers
Quip Chat RoomsReal-time chat with your team
Add a License PleaseThe open source vigilante bot that is cleaning up Github.
HeliumA floating browser window for your Mac
Facebook MessengerFacebook's standalone Messenger for the web
Pexels VideosCompletely free HD videos you can use everywhere
Genius BetaAnnotate the Internet
Infinit on mobileSend files of unlimited size on mobile
Todoist 10 for iOSA completely new Todoist for iOS
Learn Python The Hard WayLearn the basics of programming
Detroit Water ProjectConnects donors to unpaid water bills
Code4StartupLearn how to code by cloning real life startups
Messenger PlatformBuild apps on top of Facebook Messenger
SyncMeToWatch YouTube or listen to Soundcloud together online
Sticker Mule Wall GraphicsCustom wall graphics for your home or office
SceneryShowcase your designs with premium product photography.