Nagios VS System Center Operations Manager
As of 30 October 2026, System Center Operations Manager is named by 113 companies and Nagios by 460; Nagios skews to companies under 200 people (48% vs 28%), System Center Operations Manager to companies over 1,000 (57% vs 29%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Nagios's script and mail records show on hundreds of thousands of small sites, System Center Operations Manager rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Nagios: 2–200 employees
- 48%
- System Center Operations Manager: 2–200 employees
- 28%
- Nagios: 1,000+ employees
- 29%
- System Center Operations Manager: 1,000+ employees
- 57%
- Postings per company, 90 days
- 2.5 · 2.4
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Nagios | share | System Center Operations Manager | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 0% | – | – | outside top 12 |
| 2-10 employees | 18 | 4% | 5 | 4% | even |
| 11-50 employees | 90 | 20% | 8 | 7% | Nagios |
| 51-200 employees | 112 | 24% | 19 | 17% | Nagios |
| 201-500 employees | 65 | 14% | 10 | 9% | Nagios |
| 501-1000 employees | 41 | 9% | 7 | 6% | Nagios |
| 1001-5000 employees | 72 | 16% | 30 | 27% | System Center Operations Manager |
| 5001-10000 employees | 18 | 4% | 11 | 10% | System Center Operations Manager |
| 10,001+ employees | 42 | 9% | 23 | 20% | System Center Operations Manager |
| Segment | Nagios | share | System Center Operations Manager | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 266 | 58% | 47 | 42% | Nagios |
| Business & finance services | 74 | 16% | 25 | 22% | System Center Operations Manager |
| Manufacturing & industry | 33 | 7% | 13 | 12% | System Center Operations Manager |
| Utilities & infrastructure | 23 | 5% | 3 | 3% | Nagios |
| Public, community & associations | 12 | 3% | 6 | 5% | System Center Operations Manager |
| Commerce & trade | 11 | 2% | 5 | 4% | System Center Operations Manager |
| Consumer services & leisure | 11 | 2% | 2 | 2% | even |
| Property & construction | 8 | 2% | 2 | 2% | even |
| Health care | 6 | 1% | 4 | 4% | System Center Operations Manager |
| Media & content | 6 | 1% | – | – | outside top 12 |
| Transport, logistics & rental | 5 | 1% | 2 | 2% | even |
| Automotive | 3 | 1% | 2 | 2% | even |
| Hospitality & travel | – | – | 1 | 1% | outside top 12 |
| Segment | Nagios | share | System Center Operations Manager | share | Leans |
|---|---|---|---|---|---|
| United States | 253 | 55% | 63 | 56% | even |
| United Kingdom | 33 | 7% | 7 | 6% | even |
| Germany | 26 | 6% | 3 | 3% | Nagios |
| France | 24 | 5% | – | – | outside top 12 |
| India | 18 | 4% | – | – | outside top 12 |
| Canada | 14 | 3% | 5 | 4% | even |
| Italy | 13 | 3% | – | – | outside top 12 |
| Spain | 8 | 2% | – | – | outside top 12 |
| Netherlands | 8 | 2% | 3 | 3% | even |
| Australia | 6 | 1% | 2 | 2% | even |
| Poland | 5 | 1% | – | – | outside top 12 |
| Sweden | 5 | 1% | – | – | outside top 12 |
| Belgium | – | – | 4 | 4% | outside top 12 |
| Denmark | – | – | 3 | 3% | outside top 12 |
| Austria | – | – | 2 | 2% | outside top 12 |
| Switzerland | – | – | 2 | 2% | outside top 12 |
| Greece | – | – | 2 | 2% | outside top 12 |
| Ireland | – | – | 2 | 2% | outside top 12 |
| Segment | Nagios | share | System Center Operations Manager | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 914 | 53% | 299 | 61% | System Center Operations Manager |
| Software engineering | 347 | 20% | 31 | 6% | Nagios |
| General management & consulting | 57 | 3% | 3 | 1% | Nagios |
| Engineering (non-software) | 47 | 3% | 36 | 7% | System Center Operations Manager |
| Customer service & success | 19 | 1% | 9 | 2% | even |
| Skilled trades and field service | 19 | 1% | 3 | 1% | even |
| Sales | 17 | 1% | 2 | 0% | even |
| Product, program & project management | 15 | 1% | – | – | outside top 12 |
| Data & AI | 12 | 1% | 2 | 0% | even |
| Administration & office | 5 | 0% | – | – | outside top 12 |
| Arts media and entertainment | 2 | 0% | – | – | outside top 12 |
| Education & training | 1 | 0% | 1 | 0% | even |
| Business development & strategy | – | – | 1 | 0% | outside top 12 |
| Facilities cleaning and security | – | – | 1 | 0% | outside top 12 |
| Finance & accounting | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Nagios →
Companies using System Center Operations Manager →
metrics monitoring ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
System Center Operations Manager is named by 113 companies in job postings and Nagios by 460; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/nagios-vs-system-center-operations-manager)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Nagios vs System Center Operations Manager: questions
Which is more used, Nagios or System Center Operations Manager?
By companies naming it in their own job postings, Nagios (460) over System Center Operations Manager (113). By website-and-DNS footprint, System Center Operations Manager (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Nagios?
48% of Nagios companies have 2 to 200 employees, against 28% for System Center Operations Manager. 29% of Nagios companies have over 1,000 employees, against 57% for System Center Operations Manager.
Do companies run both?
0 companies name both in their postings, usually Nagios in marketing and System Center Operations Manager in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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