Chalkable app store.A web based store for schools to gain access to the best tools and content on the web. Every user has an app budget with real dollars ready to be spent on educationally relevant web apps.Chalkable platform.A platform designed to organize, connect and report. The platform is the infrastructure that makes the apps work "the way they should."Chalkable's core functions, things like calendar, reporting, grading and messaging have all been carefully crafted to work in school.

Overstat was acquired by Tealeaf/ IBM! The Overstat team has started another company, MyCrowd. MyCrowd is actively raising a seed round. Come check us out!https://angel.co/mycrowdRegards,Matthew================================angWe have the only Website Conversion Rate Optimization platform that truly requires no programming while offering robust website analytics and testing features.Overstat runs directly on top of customers' websites as an overlay--utilizing a highly visual, intuitive approach to running A/B tests and targeted landing page… · More tests, in addition to providing near real-time analytics that all of a team's members can log in to use.Installs in minutes (few lines of Javascript). No DNS or proxy required.

Call Loop is the MailChimp for the mobile world.Call Loop builds your contact database for you, allowing you to communicate via text message or voice broadcast with just a few or a thousand people at a time. It’s the only platform that works seamlessly with MailChimp, Infusionsoft, AWeber, iContact, and many other popular platforms to easily collect, grow, and communicate automatically with your existing contacts and subscribers.Simple, affordable, and reliable.

Imagine Research identifies and labels sounds, making media files searchable and adds a set of ears to cloud computing. We allow companies to index their media based on the actual acoustic content - generating intelligent metadata and unique sound search signatures. This enables intelligent navigation with media files, improved search, discovery, and contextual advertising. MediaMined allows software and mobile devices workflows to finally hear their acoustic environment and input sounds.

SendHub makes business communication fast and simple, on any device. Our all-in-one phone system provides SMS, voice, file and conference call functionality in an easy to use mobile app. Instantly set up an entire communication system that is fully scalable, with no hardware or contract required. Business Communication Simplified *Reliability: SendHub delivers crystal clear voice and clarity. Our Voice V2 platform sets a new standard for call quality and reliability. *Easy Setup: Quickly set up an entire communication system for your team or business. No hardware or contract required.*Mobile focus: Sendhub enables your team to… · More text, call, share files and launch conference calls with the smartphones they they already use.Additional Features:Conference CallsAuto Attendant Call Transfer Company Directory Contact Sharing Voicemail TranscriptionMessage ForwardingReal-Time Usage Analytics

What if you could crawl inside the mind of a genius, take a look around, and discover just how they achieve such exceptional results? At the Everyday Genius Institute, that's exactly what we do....everyday. In our Think like a Genius series, we reveal for the first time exactly how masters of their craft think, and then teach you how to do the same. By modeling the strategies of the world's best, you will shave years off your learning curve and achieve mastery easier than you ever imagined.

Geo social group messaging and media platform that works across Apple, Android, RIM phones and tablets

Console.fm, awesome music without the hassle: a service that allows you to "just press play" and get the best music from across the web. Check it out for yourself at http://console.fmAlso, please check out our pitch for 500 Startups Demo Day… · More target="_blank">http://cdn.livestream.com/embed/500startups?layout=4&clip=flv_b3d79fd0-03fb-4abd-80d6-391e219e25f2&height=340&width=560&autoPlay=false&mute=false

Talkable is the leading referral marketing platform, helping ecommerce companies increase sales. Our software enables companies to easily build, test, and analyze referral marketing programs. Learn more at talkable.com.

Lasersaur is a high performance open source laser cutter for under 2500 USD.

Aktivito aims to be first well-known venue booking service in Turkey. We are trying to be the Eventup.com of Turkey.

Identifii is an online personality & aptitude measurement platform designed to improve the hiring process. Employers can measure the attributes of their most successful employees to create a comprehensive recruitment profile & job seekers can see if their personality is a good fit for the organization before applying. In addition, our proprietary personality assessments provides job seekers with actionable insight into what career paths to pursue & how to use their social network to get started

Medicalrecords.com (http://www.medicalrecords.com/) is a lead generation business connecting physicians, dentists and other eligible providers with over 700 Electronic Medical Records (EMR) vendors.

AudioTag builds technology which allows broadcasters and content producers to connect directly with their audience using smartphones and tablets via the audio portion of the broadcast. While companies spend millions on broadcast advertising and more money developing their online presence, web pages, and online stores, there is no link tying broadcast advertising to the listening consumer. AudioTag’s technology provides the direct link to facilitate the conversion of listeners into purchasers, at the time when interest is highest.Unlike fingerprinting or ACR technology, Audiotag does not require the audio content to be preloaded into a comparison library. That… · More makes AudioTag uniquely suited to provide a connection mechanism for concerts, conferences, sports and other live events; offering a communication tool where other providers cannot.