Neither Observable nor GitLive offers a free trial.
Observable is designed for Individuals, Medium Business and Small Business.
GitLive is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Observable Starts at $9/User/Month whereas for GitLive Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Observable includes CodePen, Visualr, ibi Analytics Platform, Instadeq, Dashana, Ideata Analytics, Vizician, Zoomdata and Vizydrop.
Some top alternatives to GitLive includes Codeanywhere, ShiftEdit, CodePen, CodeTogether, CodeSync, Codefile, Pseudocode Editor, CodeOnline, Glitch and Interview Sandbox.