dstucrypt/agent packaged in an app.
gulp downloadatomshell
gulp run
This sequence of commands will try to download atom-shell for your platfrom and run the app.
Then you can just use gulp run.
gulp package
This will package an app for darwin-x64, linux-ia32, linux-x64 and win32-ia32. First run takes a lot of time due to runtimes download. The subsequent runs will use cached runtimes and will take just several seconds.
The packaged apps are inside the release folder.