**Here are past-GSoC-students-to-GSoC-sudents tips:** 1. It is really helpful to not only acquire information through mails with mentor but also: * use Skype and other more different from mails interactive communicators. This is helpful in overal contact with mentor * use tcl-gsoc mailing list to consult project's functionalities present achievements (it's even recommended) 2. Don't hesitate to explicitly ask not only a mentor but also on the tcl-gsoc mailing list for a code review 3. It is mobilising to regularly (e.g. once a week) write out the work summary and next week goals <>GSoC