Foundler - Online hackathon weekends. Attend every other week.
WiFi Map - A crowdsourced list of routers and passwords
CoFoundersLab - Meet 250,000+ entrepreneurs online
wifiphisher - Fast automated way to get the password to a WPA wifi network
HackHub - Host tech events and hackathons with ease 👨💻🛠
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.