Pipefy
SourceLevel offers Free Trial, but Observable does not.
SourceLevel is designed for Freelancers, Medium Business and Small Business.
Observable is designed for Individuals, Medium Business and Small Business.
Pricing for SourceLevel Starts at $5/User/Month whereas for Observable Starts at $9/User/Month.
Some top alternatives to SourceLevel includes DevScore, AWS Cloud9, Visual Studio IDE, CodePen, CodeTogether, YepCode, DeepSource, Codacy, Code Climate Quality and Code Inspector.
Some top alternatives to Observable includes CodePen, Visualr, ibi Analytics Platform, Instadeq, Dashana, Ideata Analytics, Vizician, Zoomdata and Vizydrop.