ChangeNOW is described as 'registration-free crypto swap service with more than 170 cryptos supported and no max limits' and is an website in the Bitcoin & Cryptocurrency category. There are more than 25 alternatives to ChangeNOW, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Android. The best alternative is Bisq, which is both free and Open Source. Other great sites and apps similar to ChangeNOW are SimpleSwap.io (Free), StealthEX.io (Free), changelly (Free) and ShapeShift (Free).
CoinSwitch is the first cryptocurrency and altcoin exchange aggregator. It has integrated many leading exchanges like Bittrex, KuCoin, IDEX, HitBTC, ShapeShift, Changelly, ChangeNow, Changer etc, so the user gets the best rates at one place.
Invity compares the most trusted cryptocurrency purchase and exchange providers from across the web to give you the best rates for buying, exchanging, and investing in Bitcoin and altcoins—all in one place. Invity makes sure crypto is for everyone.