HAL - Hardware Abstraction Layer library
  source: https://github.com/arpg/HAL
  branch: fix/api_cleanup
  SHA: 85cd9a38a69e1c75eb76a688de1ccd585c3b3ee8

CVars
  source: https://github.com/arpg/CVars
  branch: master
  SHA: 59415cd6d7a506220dd6edb1e0c0fac842126a47

Pangolin
  source: https://github.com/arpg/Pangolin
  branch: master
  SHA: e88a9dd568857261cebf5c8bdb3f19f91deaa308
With a modification (toEigenMatrix) that will be pushed upstream

Vicalib
  source: https://github.com/arpg/Vicalib
  branch: master
  SHA: afbb79ae5b435cd93efad7822b7f60e14323abf3

SceneGraph
  source: https://github.com/arpg/SceneGraph
  SHA: bed35503c127d9888234d0713a4e0095a4f73dc1
With a modification to call Pangolin::toEigenMatrix that will be pushed
upstream (see note in Pangolin), and a fixed in Eigen::Map creation.

ACADOtoolkit
  source: https://github.com/acado/acado
  Tag: v1.2.1beta
  SHA: 89f3fb202e208859b14e7631d32fbc6a304f8b81

Ach:
  source: https://github.com/golems/ach
  branch: master
  SHA: 4a38f9190ca120c41d380e079193e5c23a54767a
With a local patch: zoox-ach-patch.diff

DeepState
  source: https://github.com/trailofbits/deepstate
  branch: master
  SHA: 5f310d15bb55c3d059f0019140a8e0da3e3624fd