Jira offers Free Trial, but Slash does not.
Jira is designed for Large Enterprises, Medium Business and Small Business.
Slash is designed for Individuals, Medium Business and Small Business.
Pricing for Jira Starts at $6.25/User/Month when Billed Yearly whereas for Slash Starts at $5/Month when Billed Yearly.
Some top alternatives to Jira includes Trello, Confluence, Asana, SwiftKanban, Kanbanize, ClickUp, Height, Kanban Tool, Kanban Zone and KanbanFlow.
Some top alternatives to Slash includes Connecteam, Smartsheet, Miro, Todoist, Notion, Process Street, Wrike, nTask, Microsoft To Do, TickTick, Today, ClickUp, WeekToDo, SimplyDone, TasksBoard, Toodledo and Taskable.