What are some alternatives?
When comparing Eko and Dictionary.com, you can also consider the following products
ECG for Apple Watch - ECG app and irregular heart rhythm notification
GoldenDict - The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
The Online Slang Dictionary - Learn thousands of real slang words or add your own.
Google - Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web
SlangSite.com - SlangSite.