Runestone Interactive would never have come to life without many other open source projects and people. This is an attempt to ackowledge those projects and people.
- CodeLens -- Philip Guo and the Python Tutor Project -- pythontutor.come
- ActiveCode -- The Skulpt project -- skulpt.org
- Parson's Problems -- Ville Karavirta and the team at Georgia Tech who has added tons
- showEval -- Al Sweigart
- Short Answer -- Cory Bart at Virginia Tech
- the Blockly project @ Google
- The Sphinx and Docutils projects
- Brad Miller
- David Ranum
- Roman Yasinovskyy
- Summer Research Students
- Isaac Dontje-Lindell
- Isaiah Mayerchak
- Kirby Olson
- Robert Miller
- Devin Hanggi
- Hillary Gardener
- Tyler Conzett
- Barbara Ericson
- Mark Guzdial
- Jeff Rick
- Tommy Hubbard
- Siwei Li
- Matt Moldovan
- Paul Resnick
- Jackie Cohen
- Charles Severence
- Bryan Jones