SpeedLight is free: 95% of features available without subscription. However, there are some commercial features available within "Gold facility".
You can make your avatar Gold for L$1990 per month. This reveals the premium features (keep avatar online 24/7, schedule notices, send mass IMs).
Remember that Gold members help us developing SpeedLight! Thank you for your help!
To make your avatar Gold, login and click on "get more time":