When comparing Wterm vs hyper, the Slant community recommends hyper for most people. In the question“What are the best terminal emulators for UNIX-like systems?” hyper is ranked 24th while Wterm is ranked 28th. The most important reason people chose hyper is:
Although not Windows-friendly. But nobody uses Windows terminal anyway.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Fast
Wterm is very fast despite using very little memory.
Pro Memory efficient
Each instance requires only about 6.3 MB of RAM, even with 10.000 lines of buffer.
Pro Cross-platform due to electron browser-based foundation
Although not Windows-friendly. But nobody uses Windows terminal anyway.
Pro Built on electron, supports split panels and plugins
Cons
Con The official repository is inactive
The official repository for Wterm seems to be inactive, with open bug reports as far back as 2006.
Con Made with Electron
It uses a considerable amount of resources, compared to other offerings.
Con Not as cross platform as advertised
Most features only work on Mac OS.
Con Incorrect rendering
Terminal window has visual artifacts.
Con No configuration UI; all options must be set via JSON
Con Still maturing as of December 2016
Folks noticed some issues in the 1.0 release cited here.