27 Upvotes
Cloud Vision API Image recognition API for developers from Google
Nylas N1 Email App The extensible, open source mail client.
Universal Recommender Open source recommendation engine on Spark + Elasticsearch
Airboxlab Open source air quality monitor you can build yourself
MapFig The open source mapping tool for websites
Mattermost Open source, on-premises, Slack alternative
SiteCake A simple, open-source, drag-and-drop, flat-file CMS
Hubl.in Free and open source video conference app in the browser
ReceptionKit Open-source iPad app connects your front desk to Slack
Alf The open source ticket reservation system
Mapbox GL for iOS Open source toolset for custom maps in iOS apps
Fossdroid Free & open source Android applications
Libraries.io The open source discovery of libraries for programmers
Sirius An open-source clone of Siri from UMICH
Atlas by Layer Add messaging to your mobile app w/ this open source UI kit
Calaos Open source home automation
Let's Chat Like Slack, but opensource and self-hosted.
Govcode Code for your country. Open source government projects.
Open Strategy The best tools to help you build your startup
Lyft for Work Simplify your team’s transportation