1. LesbotronicUnlike traditional lesbian personals, where you browse through hundreds of online profiles, at Lesbotronic you fill out a personal profile and they finds your matches for you. You simply fill out their forms, state who you are and who you're looking for and you will be emailed the addresses of compatible women. Best of all Lesbotronic is totally lesbian owned and operated.
3. Ok Cupid
OK Cupid has a lot of features that you don't have to pay for. You can post a profile with pictures, browse others profiles and picture, send messages and wink at other members. It's easy to search by numerous criteria, like age, gay girls only, single people only, etc. Paid membership allows you to keep your search history private. But if you want a full-service free dating site, OK Cupid is a great place to start.
4. CraigslistIf you live in one of the cities that has a Craigslist page, you can do many things there for free: find a roommate, sell your old car, or post and respond to lesbian personal ads. Some people have had good luck with Craigslist personals, others have reported that they sometimes get more emails from men than from women. But, since it's free, it's worth checking out.
Like any online dating experience, use caution in giving out any personal information.