When comparing ShiftEdit vs CodeTasty, the Slant community recommends ShiftEdit for most people. In the question“What are the best cloud IDEs?” ShiftEdit is ranked 7th while CodeTasty is ranked 13th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Low cost, high quality

Pro Revision control
Pro Syntax checking
Highlights syntax errors and automatically fix some errors
Pro Supports multiple file access points
Access files from FTP, SFTP, WebDAV, Dropbox, Google Drive or Amazon S3
Pro Supports autocomplete
Code completion for HTML tags, CSS and PHP code assist
Pro SSH support
Allows connecting directly to a server and run commands on that server.

Pro Good Customer Support
Help requests get answered quickly and successfully.
Pro Beautiful, user friendly website
The website has a beautiful design and is very easy to nagivate and find what you're looking for.
Pro Code complete
Best code completion for php, javascript and css.
Pro Smooth
The entire IDE interface is smooth and flexible, making it easy to use for any developer.
Cons
Con Expensive
Con Not user friendly
Con Non free/libre (proprietary)
Con Young project
CodeTasty is a fairly new IDE and still has some catching up to do in terms of community size and ironing out bugs.
