Atom -
A hackable text editor for the 21st Century
Open Source by GitHub, free for everyone

Bitnami -
Install cloud applications in a single click
Business 3 plan (normally $49/month) for one year

Crowdflower -
Crowdsourcing and data enrichment platform
Access to the Crowdflower platform (normally $2,500/month) and $50 in worker credit

DigitalOcean -
Simple cloud hosting, built for developers
$100 in platform credit

DNSimple -
Simple DNS management with one-click services and a robust API
Bronze hosted DNS plan (normally $3/month) for two years

GitHub -
Powerful collaboration, code review, and code management
Micro account (normally $7/month) with five private repositories while you're a student

HackHands -
Live programming help available 24/7
$25 in platform credit

Namecheap -
Domain name registration and SSL certificates
One year free domain name registration on the .me TLD (normally 8.99/year) and one year free SSL certificate (normally $9/year)

Orchestrate -
Database API that includes search, time-series events, geolocation and graph queries
Developer account (normally $49/month) while you're a student

Screenhero -
Screen sharing for collaboration in teams
Individual account (normally $9.99/month) while you're a student

SendGrid -
Email infrastructure as a service
Student plan (normally $4.95/month) for one year

Stripe -
Web and mobile payments, built for developers
Waived transaction fees on first $1,000 in revenue processed

Travis CI -
Continuous integration platform for open source and private projects
Private builds (normally $69/month) while you're a student

Unreal Engine -
A complete suite of game development tools made by game developers, for game developers
Unreal Engine (normally $19/month) while you're a student