Here is a list of most popular bots available for wide public prepared by the team of bitcoinexchangeguide.com. Most of them work on subscription basis but some offer even free access.
1. Crypto World Evolution
The best about CWE is that you do not let your counteragent controlling your funds. It works in a way that would be similar if you created a totally independent bot by yourself. You leave your money in your account and do trading via API address of the exchange. The service works with Binance, Bittrex, OKex and Hitbtc at the moment.
2. BTC Robot
“The BTC Robot is relatively simple to set up and is user-friendly, but is the subject of debate in the Bitcoin community. Some BTC Robot users have experienced modest profits, while others have found it difficult to get it working properly, or generate a significant ROI. BTC Robot is covered by a 60 day 100% money back guarantee, however, making it a safe bet for an exploratory foray into the world of Bitcoin trading bots.”
Gekko is free for use and this is why the service is really attractive for newbies. Gekko helps to gather data from 18 exchanges live, allows you to code your strategies and execute live orders. However, the bot does not generate arbitrage opportunities itself. It is valuable for those who do not require high-frequency trading and are keen on automation.
This service allows to build up bots without installing any software as it is based on a cloud-technology. Cryptotrader works with all major exchanges (except Binance) and also has a role of marketplace: you can buy or sell strategies to other users.
“Zenbot is one of the only autonomous trading solutions that is capable of high-frequency trading, and supports the trading of multiple assets at the same time. According to information presented on the Zenbot 3 GithHub page, Zenbot 3.5.15 is capable of delivering a 1.531 ROI in three months, with is impressive for an open source automated trading solution.”