Sure thing! Here are some links and review articles, without listing any cross comparisons.

1. Spiceworks (https://www.spiceworks.com/free-help-desk-software/)
  - https://www.gartner.com/reviews/market/it-infrastructure-and-operations-management-others/vendor/spiceworks/product/spiceworks-help-desk
  - https://www.gartner.com/reviews/market/it-infrastructure-and-operations-management-others/vendor/spiceworks/product/spiceworks-help-desk
  - https://www.networkmanagementsoftware.com/spiceworks-review/
  - https://reviews.financesonline.com/p/spiceworks-help-desk/
2. Zendesk Support (https://www.zendesk.com/service/)
  - https://reviews.financesonline.com/p/zendesk/
  - https://www.capterra.com/p/164283/Zendesk/reviews/
  - https://www.trustradius.com/products/zendesk-support-suite/reviews
  - https://www.g2.com/products/zendesk-support/reviews
  - https://www.trustradius.com/products/zendesk/reviews
3. Jira Service Management (https://www.atlassian.com/software/jira/service-management)
  - https://www.peerspot.com/products/jira-service-management-reviews
  - https://www.fool.com/the-ascent/small-business/it-management/jira-service-desk-review/
  - https://www.pcmag.com/reviews/jira-service-desk
  - https://www.softwareadvice.com/crm/jira-service-desk-profile/
  - https://sourceforge.net/software/product/Jira-Service-Management/
4. HappyFox (https://www.happyfox.com/)
  - https://www.softwareadvice.com/help-desk/happyfox-profile/
  - https://www.g2.com/products/happyfox/reviews
  - https://reviews.financesonline.com/p/happyfox/
5. Freshdesk (https://www.freshworks.com/freshdesk/)
  - https://www.liveagent.com/reviews/knowledge-base/freshdesk/
  - https://www.g2crowd.com/products/freshdesk/reviews
  - https://www.softwareadvice.com/ca/crm/freshdesk-profile/
  - https://www.trustradius.com/products/freshdesk/reviews
  - https://fitsmallbusiness.com/freshdesk-review/
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