The GraalVM is based on the source code of HotSpot. The following authors have contributed to the Graal-specific part of the source base:
- Tom Deneau (tdeneau)
- Gilles Duboscq (gdub)
- Josef Eisl (jeisl)
- Matthias Grimmer (mgrimmer)
- Peter Hofer
- Christian Haeubl (chaeubl)
- Michael Haupt (mhaupt)
- Christian Humer (chumer)
- Mick Jordan (mjjordan)
- Morris Meyer (morris)
- Tom Rodriguez (never)
- Roland Schatz (rschatz)
- Doug Simon (dnsimon)
- Lukas Stadler (lstadler)
- Alexander Stipsits
- Katrin Strassl
- Christian Thalinger (twisti)
- Bernhard Urban (burban)
- Michael Van De Vanter (mlvande)
- Vasanth Venkatachalam (vvenkat)
- Igor Veresov (iveresov)
- Christian Wimmer (cwimmer)
- Christian Wirth (cwirth)
- Andreas Woess (aw)
- Thomas Wuerthinger (thomaswue)
- Bharadwaj Yadavalli (bharadwaj)