The anonymous DefiSafety team looked into popular decentralized finance (DeFi) projects and their codes, scoring each platform. The % score is how close to perfect they follow process and quality best practices.

(Before moving on to the scores, it is useful to read What is a DeFiSafety Review?)

Balancer v2 ---------------> 100%
Compound ------------------> 97%
mStable -------------------> 97%
Bancor --------------------> 96%
Gnosis Safe ---------------> 95%
Uniswap v3 ----------------> 94%
Ampleforth ----------------> 93%
Yearn Finance (v2) --------> 93%
DyDx ----------------------> 92%
Aave (v2) -----------------> 91%
Gnosis DEX ----------------> 91%
Pool Together -------------> 91%
BarnBridge ----------------> 91%
PlotX ---------------------> 89%
Kyber ---------------------> 89%
Idle Finance --------------> 89%
RenVM ---------------------> 88%
bZx (v2)-------------------> 87%
Nexus Mutual --------------> 87%
Akropolis Sparta ----------> 86%
Melon ---------------------> 86%
Synthetix -----------------> 85%
Pie DAO -------------------> 85%
UMA Project ---------------> 85%
Maker DAO -----------------> 84%
SET Protocol (v2) ---------> 84%
Metronome -----------------> 84%
Liquity -------------------> 84%
Lido Finance --------------> 84%
CREAM (Swap and Lending) --> 83%
Auctus Finance ------------> 83%
Enzyme --------------------> 83%
Flexa / AMP ---------------> 82%
Loopring ------------------> 82%
Pancake Swap --------------> 82%
Datamine ------------------> 81%
MCDex ---------------------> 80%
Opyn ----------------------> 80%
Power Index ---------------> 80%
B Protocol ----------------> 80%
Alpha Homora --------------> 79%
Notional Finance ----------> 79%
88mph ---------------------> 79%
Perpetual Protocol --------> 79%
Stakewise -----------------> 79%
Curve ---------------------> 77%
Dodo ----------------------> 76%
Cover Protocol ------------> 76%
RAI & Reflexer Finance ----> 76%
Hegic Options -------------> 75%
Anchor Protocol -----------> 75%
Balancer Finance-----------> 74%
Augur ---------------------> 74%
RARI Capital --------------> 74%
ArmorFi -------------------> 74%
unFederalReserve ----------> 74%
TrueFi --------------------> 73%
Vesper --------------------> 71%
dForce --------------------> 70%
dHedge --------------------> 70%
Keep3r --------------------> 70%
Idex ----------------------> 68%
Alpaca Finance BSC --------> 68%
Harvest Finance -----------> 67%
Yearn Finance (v1) --------> 66%
Core (C.Vault) ------------> 66%
Pickle v2 -----------------> 66%
Badger --------------------> 65%
Pickle --------------------> 64%
Hex -----------------------> 63%
Venus BSC -----------------> 63%
Unitrade ------------------> 61%
Ellipsis Finance ----------> 60%
Ichi ----------------------> 59%
Sushi Swap ----------------> 57%
GrowthDeFi ----------------> 57%
DFYN ----------------------> 56%
Belt Finance --------------> 56%
Instadapp -----------------> 55%
YFV Value -----------------> 55%
Olympus Finance OHM -------> 54%
Sake Swap -----------------> 53%
Wise ----------------------> 53%
Siren Protocol ------------> 53%
Beefy Finance -------------> 53%
Adamant Finance -----------> 53%
ParaSwap ------------------> 53%
Orion Protocol ------------> 50%
Index Coop ----------------> 49%
O3Swap --------------------> 49%
Dracula Protocol ----------> 47%
Inverse Finance -----------> 47%
Iron Finance --------------> 47%
AutoFarm ------------------> 47%
Future Swap ---------------> 46%
Convex Finance ------------> 46%
Panther Swap BSC ----------> 46%
Alchemix ------------------> 44%
Stabilize Finance ---------> 43%
yAxis ---------------------> 43%
Ape Swap ------------------> 42%
Rabbit Finance ------------> 42%
Peak DeFi -----------------> 41%
Privacy Swap --------------> 41%
DDEX ----------------------> 40%
BAO Finance BSC -----------> 38%
ACryptoS BSC --------------> 38%
JetFuel Finance -----------> 38%
Wault Finance BSC ---------> 37%
Pangolin ------------------> 36%
Shiba Swap ----------------> 35%
RAMP ----------------------> 35%
Goose Finance BSC ---------> 34%
Nerve Finance -------------> 34%
Interfinex ----------------> 33%
PolyDEX -------------------> 33%
Pancake Bunny BSC ---------> 32%
Saffron Finance -----------> 31%
1Inch Finance -------------> 31%
DerivaDEX -----------------> 31%
DeFi Swap (Crypto.com) ----> 28%
DeFi Bids -----------------> 28%
LavaCake ------------------> 28%
Swerve --------------------> 27%
For Tube ------------------> 27%
QuickSwap Polygon ---------> 26%
PepeMon -------------------> 21%
Macaron Swap BSC ----------> 21%
Wing Finance --------------> 21%
DeFiner -------------------> 20%
Perlin X ------------------> 3%
YFFI Finance --------------> 2%

For more informations and detailed reports--> DeFi Safety.