ZeroTier protocol design and core network virtualization engine, ZeroTier One service, React web UI, packaging for most platforms, kitchen sink...
Adam Ierymenko / adam.ierymenko@zerotier.com
Java JNI Interface to enable Android application development, and Android app itself (code for that is elsewhere)
Grant Limberg / glimberg@gmail.com
A number of fixes and improvements to the new controller, other stuff.
Kees Bos / https://github.com/keesbos/
Debugging and testing, OpenWRT support fixes.
Moritz Warning / moritzwarning@web.de
Several others made smaller contributions, which GitHub tracks here:
https://github.com/zerotier/ZeroTierOne/graphs/contributors/
LZ4 compression algorithm by Yann Collet
http-parser by many authors
json-parser by James McLaughlin
TunTapOSX by Mattias Nissler
tap-windows and tap-windows6 by the OpenVPN project
Salsa20 stream cipher, Curve25519 elliptic curve cipher, Ed25519 digital signature algorithm, and Poly1305 MAC algorithm, all by Daniel J. Bernstein
MiniUPNPC by Thomas Bernard