IntelliJ IDEA offers Free Trial, but Eclipse does not.
Eclipse is designed for Large Enterprises, Medium Business and Small Business.
IntelliJ IDEA is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Eclipse Starts at $12/Month whereas for IntelliJ IDEA Starts at $41/User/Month when Billed Yearly.
Some top alternatives to Eclipse includes Saasu, IntelliJ IDEA, Qualified, Workvivo, Finance OS, FinancialForce PSA, Swift Finance, Eze Eclipse, SaaSTrax and Bnext.
Some top alternatives to IntelliJ IDEA includes Codeanywhere, PaizaCloud, Eclipse Che, Visual Studio IDE, Koding, CodeTogether, Flutter, Codefile and Pseudocode Editor.