I would really recommend you try carbide create. it is very similar to easel in usability and it is also free to use. It requires no internet and you can use various other sender programs like UGS or easel once the g-code is made. this has been a real advancement for my X-carve as I also have no internet in the classroom for the students to use Easel with.
Carbide create also has V-Carve capability which is really liked by the student when they make signs.