Silicon Valley Code Camp is a two day, free community event which takes place on Weekend in Los Altos at Foothill College. It's free and has more than 230 sessions of interest to technical professionals. Speaker include Douglas Crockford and others. Free lunch Saturday and Sunday at the school (Foothill College).
To attend, you must register on the Code Camp site here.
For startups, Sean Murphy is doing a startup CEO panel session on "Working for Equity" on Sat-Oct-5 at 1:45pm. This is the fourth year that he has moderated the panel, for a roundup of prior years see "Working For Equity CEO Panel Returns to SVCC 2013."
For other events related to startups, check the startup tagged events.
To attend, you must register on the Code Camp site here
With 230 sessions in both technology and business topics, it the happening place on the weekend of the Oct. 6th.