ECU software archive
Every version of each maker's tuning software, kept here so you can still tune an older ECU after the maker moves on.
Files are mirrored with each maker's permission and never deleted. The maker's own page is always linked and is the authoritative source for a current release. Mirroring is being set up: version histories are listed now, and downloads follow as each maker approves.
AEM
- AEMTuner Unsupported, archived here
For the Series 2 EMS (and Series 1 with AEMPro). AEM has wound down its engine management line.
Runs: (Series 2 EMS)
- Infinity Tuner Unsupported, archived here
AEM has discontinued the Infinity range.
Runs: Infinity-506 (30-7106), Infinity-508 (30-7108/30-7112), Infinity-708 (30-7101), Infinity-710 (30-7100), Infinity-712 (30-7111) (Infinity)
ECUMaster
ECUMaster publishes a V2 and a V3 software line for the EMU Black; the V3 line is the newer one.
Runs: EMU BLACK, EMU BLACK Plug-in ECU range (EMU Black (V2 software 2.x, V3 software 3.x))
Runs: EMU CLASSIC (EMU Classic)
Runs: EMU PRO-8, EMU PRO-16, EMU PRO-16 PnP kits (GM LT) (EMU PRO-8, EMU PRO-16)
EFI AnalyticsEFI Analytics
Made by EFI Analytics (not an ECU maker). Free Lite edition; full features need a paid registration. rusEFI and Speeduino firmware comes from their GitHub releases, which are already an archive.
Runs: MS3Pro EVO+ (supersedes MS3Pro EVO), MS3Pro Ultimate, MS3Pro Mini, MicroSquirt V3.0, uaEFI, super-uaEFI, Proteus (F7, legacy), Hellen 121 VAG (plug-in) and 4 more (MegaSquirt, MS3Pro, MicroSquirt, rusEFI, Speeduino)
Emtron
FuelTech
Haltech
Nexus Software Programmer. The current software for Nexus and Elite ECUs.
Runs: Elite 550, Elite 750, Elite 1000, Elite 1500, Elite 2000, Elite 2500, Elite 2500 T, Nexus T1 and 7 more (Nexus, Elite on firmware 3.xx, iC-7 and uC-10 dashes)
Elite Software Programmer, for Elite ECUs still on 2.xx firmware. Haltech moved Elite to NSP; ESP stays on the downloads page.
Runs: Elite 1000, Elite 2000, Elite 2500 T, Elite PRO Plug-in (Ford Barra), Nexus Plug-in (Nissan Skyline R32/R33/R34 GT-R), Nexus Plug-in (Nissan 300ZX / Fairlady Z32), Nexus Plug-in (Honda Civic EP3 01-05 / Integra DC5 02-04), Nexus Plug-in (Honda Integra / RSX DC5 05-06) and 5 more (Elite on firmware 2.xx)
For every Platinum Series ECU. Listed on Haltech's downloads page as the latest ECU Manager.
Runs: (Platinum Sprint, Sport and Pro)
Holley
- Holley EFI Supported by maker
Holley's site blocks automated checks; new versions are added by hand.
Runs: Terminator X (550-903, LS1/LS6 24x), Terminator X Max (550-916, LS1/LS6 with 4L60E/4L80E), HP EFI ECU (554-113), Dominator EFI ECU (554-114) (Terminator X, HP, Dominator)
Link ECU
One application for every Link generation; the version decides which ECUs it talks to. Legacy builds are on Link's own archive too.
Runs: G4X AtomX, G4X MonsoonX, G4X StormX, G4X XtremeX, G4X FuryX, G4X ThunderX, G5 Voodoo Neo 4, G5 Voodoo Neo 6 and 44 more (G1–G3 (V2.5, V3.40), G4 (V4.x), G4+ (V5.x), G4X (6.x and 7.x), G5 (7.x))
MaxxECU
Runs: MINI, STREET, SPORT, RACE, GEN2 TRACK, GEN2 RACE, PRO, RACE Plug-in ECU range and 2 more

