appendTo is owned and operated by DevelopIntelligence. DevelopIntelligence was founded in 2003 and has trained 50,000+ developers across 220+ organizations since then. The company is based in the Boulder, Colorado area.

Software developers learn best through hands-on expert-led courses taught by other developer. The appendTo instructors are industry-recognized experts in their domains and regularly contribute to open source projects. Every course is customized for a client’s specific team, stack, and ability level.

Clients have included companies large and small, including Yahoo, Intuit, Liberty Mutual, SalesForce, Starbucks,, Lenovo, Pearson, VMware, DISH, Ebay, Paypal, and many others.

The appendTo team gives back to its community and the developer community in many ways. We’ve sponsored the GoCode Colorado civic hacking competition every year since it started in 2014. Our instructors volunteer with local high schools programming classes and we’ve volunteered building houses, working in soup kitchens, and have done several other volunteer projects. We also sponsor multiple technical MeetUps, including the Boulder Denver Software Club, the Boulder HTML5 users group, and the Boulder/Denver Java Users group.