Yes, both Ninite Pro and Atera offer a Free Trial.
Ninite Pro is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Atera is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Ninite Pro Starts at $35/Month whereas for Atera Starts at $129/user/month when monthly.
Some top alternatives to Ninite Pro includes ManageEngine Patch Connect Plus, Patch My PC, ManageEngine Patch Manager Plus, PDQ Deploy, Patchdeck, Qualys Patch Management, Easy Software Deployment, Tanium Patch, Panorama9 and SolarWinds N-central.
Some top alternatives to Atera includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, ConnectWise Control, Freshservice, ManageEngine Desktop Central, Freshdesk, Motadata HelpDesk, HelpDesk, Jitbit Helpdesk, Syncro, ManageEngine OpManager MSP, Datto RMM, ConnectWise Automate and NinjaOne (NinjaRMM).