The best alternatives to Coindera are CryptoLadder, CryptoMoney, and Top ICO List. If these 3 options don't work for you, we've listed a few more alternatives below.
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Postman Recorder by DevTools— Export Postman APIs from browser
CryptoLadder is a live ranking of over 500 cryptocurrencies — providing the quickest and easiest way for you to track how coins are performing against each other. Watch as coins move up and down the ladder in real-time!
A Slack bot that monitors and automatically removes messages that match a set of given regex patterns (Ethereum addresses and Etherscan.io links by default, but you can extend this easily yourself). Set this up in your cryptocurrency or ICO Slack instance to automatically moderate potential phishing or scamming attempts.