Sorry for the slow response, but here ya go.
Right now the plan is to release a free tool to allow people to flash ME7 engine computers. This tool won't allow you to edit maps, or update checksums, just flash. This tool will flash faster than all of the commonly available sub $50 tools. The expectation is you will use your own cable with this software.
After this I hope to release some other simple free tools for people to get started tuning the ME7, but who don't want to commit to spending a lot of money on something they aren't sure they want to do. These simple free tools will be used to refine the backend of my software, and determine what tools people want, without spending a lot time implementing complicated user interfaces for huge integrated tuning suites.
Some of these future free tools may include: map editing, checksum validation, checksum correction, and data logging. I would like to give people enough to get started with tuning the ME7, but not so much as to have them not want to pay for more advanced features. I do hope to provide enough free tools that the beginner getting started with ME7 tuning, can use only software written by me to get the job done, and not have to use bunch of different tools duct taped together.
The long term plan for setting the NefMoto tools apart from other tools is to allow realtime editing while the car is running. This realtime editing will be assisted by data logging, allowing features such as highlighting the active cells of individual maps. This will all be packaged into a unified editing/logging/realtime tuning package requiring a lot of user interface development time on my side.
Does that answer your questions? Let me know if you want any more info.
PS: I'm hoping to release the free flashing tool in the next week or so.