Top 10 FortiOS Alternatives & Competitors

(52)4.3 out of 5
Reviewers exploring FortiOS often also consider these top-rated options in the same software category. When comparing FortiOS with other tools, reviewers most often evaluate security and user interface as key differentiators.
The best overall alternative to FortiOS is Red Hat Enterprise Linux, rated ~4.6 stars on G2 from 932+ reviewers. It is frequently praised for stability and security. Other well-known alternatives to FortiOS are:
  • Ubuntu – known for linux/ubuntu os and open source (G2 star rating ~4.5)
  • Windows 11 – highly rated for user-friendly and speed/performance (G2 star rating ~4.5)
  • Windows 8 – offers speed/performance and user-friendly (G2 star rating ~3.7)
  • Apple iOS – best suited for teams that need user-friendly and speed/performance (G2 star rating ~4.6)
Browse top options below. Based on G2 review data, FortiOS is most commonly used in industries like Operating Systems. Compare user ratings by vertical to find the best fit.

Best Paid & Free Alternatives to FortiOS

  • Red Hat Enterprise Linux
  • Ubuntu
  • Windows 11

Top 10 Alternatives to FortiOS Recently Reviewed By G2 Community

Browse options below. Based on reviewer data, you can see how FortiOS stacks up to the competition, check reviews from current & previous users in industries like Information Technology and Services, Information Services, and Education Management, and find the best product for your business.
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