Quality of life
https://ethgasstation.info/– Ethereum gas price recommendations.
Speed up or Cancel Transactions – Speeds up or cancels transactions for Ethereum tokens.
Zapper.fi – A simple dashboard for DeFi. Easily track and visualize all your DeFi assets and liabilities in one simple interface.
Zerion.io – Build and manage your entire DeFi portfolio from one place.
APY finance – A DeFi robo-advisor that optimizes for risk-adjusted returns using a portfolio of yield farming strategies.
Set Protocol – Non-custodial solution allowing for the creation, management, and trading of Sets, ERC20 tokens that represent a portfolio or basket of underlying assets. Each Set operates and periodically rebalances its portfolio according to a strategy coded into its smart contract.
DeFiSaver – One-stop management app for decentralized finance.
InstaDapp – A smart wallet for DeFi which allows users to seamlessly manage multiple DeFi applications to maximize returns.
Online wallets compatible with hardware wallets
MyEtherWallet – A free, open-source, client-side interface for generating Ethereum wallets.
Metamask – A crypto wallet & gateway to blockchain apps.
Lending & liquidity
AAVE – A DeFi lending protocol that enables users to lend and borrow a diverse range of cryptocurrencies using both stable and variable interest rates.
Compound.Finance – An algorithmic money market protocol on Ethereum that lets users earn interest or borrow assets against collateral.
bZx – A DeFi lending platform for traders built on Ethereum.
Yearn.Finance – Stake YFI, borrow assets, and vote for improvements within the community.
DeversiFi – A non-custodian DeFi solution to provide speed and liquidity when interacting with markets.
Curve Finance – Makes use of liquidity pools and bonding curves to provide high-efficiency stablecoin trading and low-risk returns for liquidity providers.
Balancer – An automated market maker (AMM) for multiple tokens.
Fulcrum – Allows users to borrow and lend ETH and ERC20 tokens.
Uniswap – The most prominent decentralized exchange with access to a near-unlimited amount of tokens. Be careful of fake variations of official tokens by checking the contract address on Etherscan.
Loopring – Layer 2 Ethereum solution that is more than just a DEX. It is also a payment solution also.
Switcheo.Network – The first multi-chain, decentralized exchange to trade ETH, EOS & NEO tokens, all from their non-custodian platform.
Tokenlon.io – Tokenlon is a decentralized exchange powered by 0x protocol.
Kyber Swap – An easy and convenient way to trade ERC-20 tokens.
Bisq – An open-source desktop application that allows you to buy and sell bitcoins in exchange for national currencies, or alternative cryptocurrencies.
IDEX – A Simple ERC-20 decentralized exchange that was one of the first.
Matcha – A consumer-facing DEX built by 0x Protocol.
Bancor – Instead of using an order book to process conversions, Bancor uses a network on-chain liquidity pools.
DeFiRate – Trusted resource for all things DeFi.
DeFiPrime – Digital media and analytical services provider for the DeFi community.
DeFiSlate – A blockchain & cryptocurrency education content platform.
DeFiPulse – DeFi charts and important data on lending protocols.