Yes, both Atomic and Notion offer a Free Trial.
Atomic is designed for Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Atomic Starts at $13/Month when Billed Yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to Atomic includes Connecteam, Smartsheet, Miro, Todoist, Notion, Process Street, Wrike, nTask, ClickUp, Meetin.gs, Calendar.AI, Office Tracker, GMinutes, Atomicly, Google Calendar and Calendar.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.