Yes, both Pluralsight Skills and Guru offer a Free Trial.
Pluralsight Skills is designed for Large Enterprises, Medium Business and Small Business.
Guru is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Pluralsight Skills Starts at $399/User/Year whereas for Guru Starts at $14/User/Month when Billed Yearly.
Some top alternatives to Pluralsight Skills includes Guru, Flowingly, PhixFlow, Qualified, Flow, Pluralsight Flow, Workvivo, A Cloud Guru, ProcurementFlow, Flowall and viSkills.
Some top alternatives to Guru includes GitBook, Zoho Wiki, KBPublisher, Drupal Wiki, LearnLode Enterprise, TWiki, Wiki Valley, GoGoWorx, HuForce and ProProfs Knowledge Base.