When comparing Gingko vs Coda, the Slant community recommends Gingko for most people. In the question“What are the best Evernote alternatives?” Gingko is ranked 17th while Coda is ranked 47th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro You can customize colors
Pro Allows focusing on one piece of information at a time
Since Gingko documents are "trees", they are always organized on the go. And since everything is written in cards, it is possible to focus on one chunk of content at a time.
Pro Easy to overview
Despite the complexity of the tree structure, it's always clear where you are, and how to quickly add your thoughts.

Pro Markdown support
All formatting is done via Markdown.
Pro Non-linear
Non-linear notetaking allows you more flexibility, freedom and creativity.
Pro Live Preview mode
Makes styling a site in CSS simpler.
Pro Built-in FTP client
Publishing your changes to the web server is a one-click operation. That is, one click per file, or one click for all your changed files. Or even cherry-pick the files to be published in the next batch.
Pro Built-in support for Git and Subversion
Although the software doesn't ship with these libraries, it does work once you have one installed.
Pro Mature
Coda has been developed by Panic exclusively for Mac since 2007. The experience of the developers shows in the stability and polish of their product.
Pro Many plugins available
There is a huge library of user-created plugins, ranging from additional syntax modes, to code validation and beautification, to reference materials, code snippets, text actions and more.
Cons
Con Limited free version
The free version is limited to 100 cards and 10 documents. Depending on how you use it, this might not be enough.
Con Hasn't been updated in 2 years.
Con Expensive
The price of $99 is more than many other editors.
