When comparing Collide vs Codio, the Slant community recommends Codio for most people. In the question“What are the best cloud IDEs?” Codio is ranked 12th while Collide is ranked 31st.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Collide is open source and completely free to use.
Pro Designed to teach programming
Pro Fully functional terminal
Codio gives you full access to a terminal, with all the ubuntu commands. You can use the terminal within the page, or you can access by SSH from your computer.
Pro Emmet
Emmet support for a whole range of features that really boost productivity when working with HTML and CSS. These features include expanding abbreviations into full HTML or CSS as well as some very powerful keyboard shortcuts.
Pro BitBucket integration
It's possible to launch Codio from within BitBucket's repo by adding Codio integration as an add-on.
Pro Server-side environment
Pro Node.js included by default.
Pro Monokai
Includes Monokai style theme by Luigi Maselli.
Cons
Con Not actively developed
Collide was originally developed by Google, who abandoned the project before it was originally released in 2012.
They open sourced the code, hoping it would continue with the community. The most up-to-date branch has not been updated in 2 years.
Con Private projects aren't free
The pricing plan looks too restrictive comparing to other Coding Cloud solutions.