The best thing about this software has to be that it allows you not just manage multiple versions of applications but can actually deploy all those apps at once in your own infrastructure without worrying too much as far application compatibility issues are concerned! I don't have any dislikes for now when using their products because everything seems good from my side so no complaints here either :) Highly recommended!! It helps us easily update our existing Apps along with new ones which otherwise would've been quite difficult or time consuming if done manually by ourselves! We use these tools mainly due to its easy automation capabilities & we also get notified whenever there's an error while deploying something via some automated tool like Jenkins etc., thus saving precious development hours :).Deployment process used till date was manual i guess - taking backups locally then copying them onto S3 bucket where they're synced across different regions/data centers (using AWS) before finally re.