[Optimus One, P500 Android Development] Bytecode:
This is my thread version:

REPOSITORY OF USEFUL POSTS IN LG P500 FORUM

ROOT

SuperOneClick + instructions (Use only if you have 2.2/2.2.1 Firmware): http://xdaforums.com/showthread.php?t=803682

z4root + instructions (Use only if you have 2.2/2.2.1 Firmware): http://xdaforums.com/showthread.php?t=833953

GingerBreak + instructions (Use only if you have 2.2.2 Firmware): http://xdaforums.com/showthread.php?t=1049944

CUSTOM RECOVERY

Amon_RA 2.2.1 recovery ported by Drellisdee: http://xdaforums.com/showthread.php?t=844483

ClockworkMod 3.1.0.0 ported by mik_os : http://xdaforums.com/showthread.php?t=1024838

ROMs

2.2:

KeruRom: http://xdaforums.com/showthread.php?t=844355

(first ROM for LG P500!)

AmberHome: http://xdaforums.com/showthread.php?t=853625

(second ROM and the first to be more elaborate and providing a satisfying stability and performance)

Megatron: http://xdaforums.com/showthread.php?t=870640

(ROM tweaked for performance and first to include drellisdee's oc kernel)

Light: http://xdaforums.com/showthread.php?t=891511

(heavily unbranded and minimalist yet having the usual tweaks)

Droideka: http://xdaforums.com/showthread.php?t=900702

(first ROM by janitux, based on czech V10A with the usual tweaks and unbranding)

Ioshirom: http://xdaforums.com/showthread.php?t=902662

(usual tweaks and settings)

DarkMoon: http://xdaforums.com/showthread.php?t=904160

(usual tweaks and settings + RTL language support [arabic, hebrew, etc])

optimusXrom: http://xdaforums.com/showthread.php?t=915269

(gingerbread-themed ROM, with oc kernel and usual tweaks)

devoid.: http://xdaforums.com/showpost.php?p=10082306&postcount=4

(gingerbread-themed ROM which is _heavily_ unbranded and minimalist)

Ubuntdroid: http://xdaforums.com/showthread.php?t=929600

(Optimus T, heavily dark-themed, oc kernel and usual tweaks)

openOptimus: http://xdaforums.com/showthread.php?t=1033653

(cyan-themed ROM which uses a very useful script that customizes the entire system in one tap)

ROM QUY: http://xdaforums.com/showthread.php?t=1120546

(ROM with usual tweaks + unbranding)

Optimum ROM: http://xdaforums.com/showthread.php?t=1031393

(Light ROM with usual tweaks + unbranding)

ciaox's ThunderSense: http://xdaforums.com/showthread.php?t=1115615

(Sense ROM ported on P500. It's stable,but very buggy)

scorpionking's Sense ROM port: http://xdaforums.com/showthread.php?t=1112398

(Sense ROM ported on P500)

Optimus G: http://xdaforums.com/showthread.php?t=965137

(ROM with usual tweaks + unbranding)

PhaZer (Optimus T): http://xdaforums.com/showthread.php?t=1065629

(Optimus T ROM with usual tweaks)

Zero ROM (Optimus M): http://xdaforums.com/showthread.php?t=1036257

(Optimus M ROM with usual tweaks)

2.2.1:

Prime: http://xdaforums.com/showthread.php?t=881045

(first 2.2.1 ROM, based on portuguese V10N with the usual tweaks and unbranding)

JoeMOMRom: http://xdaforums.com/showthread.php?t=900657

(Optimus T, usual tweaks and unbranding + oc kernel)

MetroHoney (Optimus M): http://xdaforums.com/showthread.php?t=1042577

(Optimus M, usual tweaks and unbranding)

2.2.2:

Nessy: http://xdaforums.com/showthread.php?t=985019

(ROM with usual tweaks,franco's Kernel,and long battery life)

LOL: http://xdaforums.com/showthread.php?t=945218

(First ROM for LG P500 having a modified powermenu)

Light-v2 : http://xdaforums.com/showthread.php?t=987948

(ROM with usual tweaks + unbranding)

Fusion ROM: http://xdaforums.com/showthread.php?t=1113983

(ROM with usual tweaks + unbranding)

RomAnil: http://xdaforums.com/showthread.php?t=1101323

(ROM with usual tweaks + unbranding)

IndianShyam: http://xdaforums.com/showthread.php?t=1072153

(ROM with usual tweaks + unbranding)

Light 2.2.2 ROM : http://xdaforums.com/showthread.php?t=1018839

(ROM with usual tweaks + unbranding)

2.3.3:

GingerLOL ROM : http://xdaforums.com/showthread.php?t=1118685

(First P500 ROM based on leaked Gingerbread V20A)

Stock leaked LG Gingerbread 2.3.3 ROM : http://xdaforums.com/showthread.php?t=1115487

(Can't flash it via recovery,need to flash it with LGDRM,otherwise - no GSM)

2.3.4:

andy572's Gingerbread ROM: http://xdaforums.com/showthread.php?t=909242

mik_os' CyanogenMod 7 : http://xdaforums.com/showthread.php?t=946354

dee000000's CyanogenMod 7 for Optimus-T P509 : http://xdaforums.com/showthread.php?t=1072252

KERNELs

Drellisdee's kernel: http://xdaforums.com/showthread.php?t=866774

(overclock, interactive governor, ext4, tun.ko, etc)

Mik_os' kernel: http://xdaforums.com/showthread.php?t=929941

(based on drellisdee's kernel source + touchscreen cpu drain bug fix!)

franco.Kernel.v16 : http://xdaforums.com/showthread.php?t=1049518

(the best kernel for LG P500. Provides more stability,performance,and it's compatible with lots of of roms)

DookMatt's Kernel : http://xdaforums.com/showthread.php?t=1012414

(kernel with new OC,without interactive governor,and with LG touch fix)

DookMatt's BFS CM7 kernel: http://xdaforums.com/showthread.php?t=1104280

(BFS scheduler for mik_os' CyanogenMod 7)

waleedq's Axis inversion fix kernel: http://xdaforums.com/showpost.php?p=11166426&postcount=47

(Axis inversion workaround kernel,no OC)

Der_Caveman's kernel: http://xdaforums.com/showpost.php?p=11221504&postcount=126

(Kernel with mik_os' lagfix + some other patches,with OC)

Sippolo's Kernel: http://xdaforums.com/showpost.php?p=11270721&postcount=237

(Kernel with waleedq and Der_Caveman patches combined,with OC)

MODs

ungaze's Data2SD : http://xdaforums.com/showthread.php?t=1042828

ilarrain's Everything2SD : http://xdaforums.com/showthread.php?t=1050760

pomka78's Dalvik-cache2RAM : http://xdaforums.com/showthread.php?t=1017321

AxesOfEvil's FUSE Filesystem on P500 : http://xdaforums.com/showthread.php?p=14599341

AxesOfEvil's WiFi calling on Optimus One ROMs : http://xdaforums.com/showthread.php?t=1116268

HOWTOs / TWEAKS / etc

Dictionary of android terms for newbies: http://xdaforums.com/showthread.php?t=900905

Enabling JIT/Stagefright Player on the stock 2.2 ROM: http://xdaforums.com/showthread.php?t=853418

Script for customizing heapsize/jit status etc.: http://xdaforums.com/showthread.php?t=868008

Bricked phone recovery guidelines: http://xdaforums.com/showthread.php?t=883314

Bricked phone recovery guidelines(Picture version): http://xdaforums.com/showthread.php?t=1060121

LG P500 - Rooting, Installing Android SDK, Custom Recovery, Custom ROM: http://xdaforums.com/showthread.php?t=1007244

Cook your custom rom for LG P500 : http://xdaforums.com/showthread.php?t=901417

Tips for cooking your own ROM : http://xdaforums.com/showthread.php?t=1049970

P500 Service manual: http://xdaforums.com/showthread.php?t=895981

Safely install recoveries: http://xdaforums.com/showthread.php?t=1065197