App comparison
Add up to 4 apps below to see how they compare. You can also use the "Compare" buttons while browsing.
GetApp offers objective, independent research and verified user reviews. We may earn a referral fee when you visit a vendor through our links.
Our commitment
Independent research methodology
Our researchers use a mix of verified reviews, independent research, and objective methodologies to bring you selection and ranking information you can trust. While we may earn a referral fee when you visit a provider through our links or speak to an advisor, this has no influence on our research or methodology.
Verified user reviews
GetApp maintains a proprietary database of millions of in-depth, verified user reviews across thousands of products in hundreds of software categories. Our data scientists apply advanced modeling techniques to identify key insights about products based on those reviews. We may also share aggregated ratings and select excerpts from those reviews throughout our site.
Our human moderators verify that reviewers are real people and that reviews are authentic. They use leading tech to analyze text quality and to detect plagiarism and generative AI.
How GetApp ensures transparency
GetApp lists all providers across its website—not just those that pay us—so that users can make informed purchase decisions. GetApp is free for users. Software providers pay us for sponsored profiles to receive web traffic and sales opportunities. Sponsored profiles include a link-out icon that takes users to the provider’s website.
OpenNMS
5
8
4
1
3
0
2
0
1
0
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Open source network management application
Last updated: March 2026
OpenNMS Alternatives & Competitors (2026)
ManageEngine OpManager MSP
Redefine multiclient network management with OpManager MSP
0.1
Value for money
No pricing info
Starting price
Functionality
Alerts/Escalation
4.8/5
Active Directory Integration
4.6/5
Alerts/Notifications
4.6/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
ManageEngine Applications Manager
Widest application monitoring support for enterprises & SMBs
0.2
Value for money
Starting price
Functionality
Alerts/Escalation
4.8/5
Alerts/Notifications
4.7/5
Application-Level Analysis
4.7/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
NinjaOne
NinjaOne Unified IT Operations Platform
0.3
Value for money
No pricing info
Starting price
0.2
Functionality
Activity Tracking
5/5
Alerts/Escalation
4.6/5
Alerts/Notifications
4.4/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
API
N/A
ManageEngine OpManager Plus
Achieve holistic IT infrastructure monitoring with OpManager
0.3
Value for money
Starting price
0.2
Functionality
Alerts/Notifications
4.6/5
Access Controls/Permissions
4.3/5
Access Controls/Permissions
N/A
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
API
N/A
Site24x7
All-in-one performance monitoring tool for DevOps and IT
0.4
Value for money
Starting price
0.1
Functionality
Anomaly Detection
5/5
Application Management
5/5
Activity Dashboard
4.9/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
N-central
On-premise and hosted RMM software for MSPs
1.0
Value for money
Starting price
0.5
Functionality
Alerts/Notifications
4.3/5
Access Controls/Permissions
4.2/5
Active Directory Integration
4/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.3
Value for money
Starting price
0.5
Functionality
Application Management
5/5
Alerts/Notifications
4.7/5
Assignment Management
4.6/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Activity Dashboard
N/A
0.8
Value for money
Starting price
0.2
Functionality
Activity Dashboard
5/5
Alerts/Notifications
4.7/5
Alerts/Escalation
4.5/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.2
Value for money
Starting price
0.2
Functionality
Access Controls/Permissions
4.8/5
Anti Virus
4.6/5
Alerts/Notifications
4.5/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.3
Value for money
Starting price
0.1
Functionality
Alerts/Escalation
4.7/5
Alerts/Notifications
4.6/5
Access Controls/Permissions
4.5/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.6
Value for money
No pricing info
Starting price
0.2
Functionality
Activity Monitoring
5/5
Alerts/Notifications
4.6/5
Access Controls/Permissions
4.5/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
API
N/A
0.6
Value for money
Starting price
0.2
Functionality
Bandwidth Monitoring
4.8/5
Alerts/Notifications
4.5/5
Activity Dashboard
4.5/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Capacity Management
N/A
0.6
Value for money
Starting price
0.3
Functionality
Alerts/Notifications
4.9/5
Alerts/Escalation
4.9/5
Baseline Manager
4.8/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Capacity Management
N/A
0.7
Value for money
Starting price
0.3
Functionality
API
5/5
Alerts/Notifications
4.8/5
Email Alerts
4.5/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Activity Dashboard
N/A
0.9
Value for money
Starting price
0.2
Functionality
Access Controls/Permissions
5/5
Alerts/Notifications
4.8/5
Alerts/Escalation
4.7/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.2
Value for money
Starting price
Functionality
Activity Tracking
5/5
API
5/5
Backup and Recovery
4.6/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Capacity Management
N/A
0.6
Value for money
Starting price
0.2
Functionality
Alerts/Notifications
4.6/5
Access Controls/Permissions
3.8/5
Anomaly Detection
2.7/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.1
Value for money
Starting price
0.1
Functionality
API
5/5
Audit Trail
5/5
Alerts/Notifications
4.7/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Capacity Management
N/A
0.6
Value for money
Starting price
0.2
Functionality
Alerts/Escalation
5/5
Application-Level Analysis
4.9/5
Activity Dashboard
4.8/5
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A
0.1
Value for money
No pricing info
Starting price
Functionality
Alerts/Notifications
4.5/5
Audit Trail
4.4/5
Access Controls/Permissions
N/A
Top Features
Alerts/Notifications
5/5
Dashboard
3/5
Bandwidth Monitoring
N/A