Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.

Typora - A minimal Markdown reading & writing app.

Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.

Dillinger - joemccann has 95 repositories available. Follow their code on GitHub.

Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.

StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.