This very inspiring list with 30 of the best journalistic online projects contains a lot of best practice examples for dealing with data.
Author Josh Stearns has grouped the list around key themes:
- The Year Audio Went Viral
 e.g. SerialIf you only listened to Serial then you missed a lot of great aspects of the story which were only available on the podcast’s website in blog posts, source documents, maps and more. 
- Telling Stories With Sensors and Satellites
 e.g. Losing GroundThe team used a mix of great local reporting paired with striking satellite imagery and historical maps to show the pace of change on the Louisiana coastline. 
- Get The Picture? Graphic Journalism in 2014
 e.g. Terms of ServiceAljazeera America created a print comic book, Terms of Service, about a very digital topic: privacy, security and big data. In addition, they released the tool they created so others could create graphic journalism like this. 
- Immersive Stories on Health and the Environment
- A Big Year for Crowdsourcing and Eyewitness Media
- Structuring Journalism For Context
 e.g. Assets, Objects, Pointshow the fundamental elements of stories can be collected, organized, presented and reused (by journalists or members of the community) through unique story-driven databases. 
- A Web of Many Languages — Multilingual Multimedia Storytelling
 e.g. Inside the Firewall: Tracking the news that China blocks
