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280 North is a web application company based on their proprietary application framework, Cappuccino. Along with Objective-J, Cappuccino provides a complete toolkit to develop rich web applications. It's modeled after a proven desktop development environment, and has been released as an open source project under the LGPL. 280 North's first application, 280 Slides, enables anyone with a web browser to quickly and easily create beautiful presentations. 280 Slides takes advantage of the web by making it trivial to find and include great media in your presentation. We also built in advanced features like importing and exporting PowerPoint documents, so your data is always portable.

Celery emerged from Y Combinator in 2012 with one goal: to help you sell your great ideas, better. Filling a void in e-commerce, Celery has become the single-stop for innovative brands, large and small, to take pre-orders, crowdfund independently, and to continue selling before and after items are in-stock. Today, Celery has helped thousands of businesses launch their way by providing the tools to crowdfund and pre-sell independently. Celery is founded by a team crowdfunding and e-commerce experts and alums from MIT, Stanford, Groupon, LinkedIn and Foursquare, and is venture-backed by Y Combinator, General Catalyst, Elementum Ventures, Max Levchin, SV Angel, and other top investors.