Came across a similar kind of project to Gimmer called Vega Intelligent Solutions
https://bitcointalk.org/index.php?topic=2422153.0 which conducted their crowdsale earlier last month, and felt it might be worthwhile to give it a very brief and hopefully objective comparison to Gimmer.
Vega is also an automated decentralized trading platform, however its focus appears to be on the utilization of artificial intelligence and machine learning aimed at the advanced user, versus Gimmer's focus on easy to use bots, rentable strategies and integrated community interaction aimed at any user.
While both being automated trading platforms, apart from their drastic target audience and implementation differences, which would be comparing apples to oranges, a significant difference Gimmer has with Vega appears to be stage of development.
At the moment Vega is just purely Proof of Concept and according to the roadmap appears to be quite some time away from having a working and testable product. Gimmer however already has a working demo that has undergone comprehensive testing, and significant project milestones in the upcoming year.
The key feature of Gimmer is easy to use, rentable bots, which allows users of any level and especially novices to be able to easily utilize advanced bots and strategies.
Sometime down the road, if and when Vega (or other similar platforms utilizing complex concepts such as AI and machine learning and aimed at advanced users ) become a reality, it will be interesting to compare its performance versus the performance of advanced bots that could be easily rented on Gimmer by any user.