Yes, both Hakkiri and Sleekplan offer a Free Trial.
Hakkiri is designed for Large Enterprises, Medium Business and Small Business.
Sleekplan is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Sleekplan begins at $15/Month when Billed Yearly, while pricing details for Hakkiri are unavailable.
Some top alternatives to Hakkiri includes Aha!, Harvestr, Jira, Next Please, Hygger, Kaiten, Height, Yodiz, Kanban Tool and Hoshinplan.
Some top alternatives to Sleekplan includes Jira, ProdCamp, FeedPiper, Backlogs, Appzi, Kritikos, Userback and Canny.