Free wifi is available in Stirling Library, Corn Exchange Road, Stirling. (and at every library in Stirling Council area). PC access is also available, but it's very popular. 

Premier Store, Murray Place, may be opening an internet cafe upstairs soon. 

McDonalds, Murray Place, and McDonalds, Drip Road (near Sainsburys Supermarket) both have free wifi.

ACE Project Cornton is a local charity providing adult education, and offers free use of computers and internet at certain times of the day.

MacRobert Arts Centre (Stirling University) offers free wifi with any purchase from the cafe-bar.

Kilronan House B&B in Bridge of Allan offers free WiFi internet access : Kilronan House B&B

Free wifi should now be available at Stirling Railway Station