OphanimFlow
OphanimFlow: A focused open-source collector for operators who want self-hosted flow visibility. Ranked #22 of 33 in Bandwidth Monitoring Software by our editors (6.8/10); pricing: Open source; best for minimal self-hosted flow collection.
At a glance
- Editor score6.8 / 10
- PricingOpen source
- Best forMinimal self-hosted flow collection
- Paid fromFree
- Facts checked21 Sep 2026
Where it wins
- Collects NetFlow, IPFIX and sFlow data
- Provides per-host graphs and traffic accounting
- Offers web configuration and REST endpoints
Where it doesn't
- Setup instructions target FreeBSD and Debian systems
- Focuses on flow collection rather than a broad monitoring suite
- Published repository version is 0.0.7 rev 144
Our verdict on OphanimFlow
OphanimFlow is an open-source, self-hosted bandwidth monitoring toolkit for network operators and service providers. It collects NetFlow, IPFIX and sFlow records, classifies and preprocesses traffic, and renders bandwidth graphs for hosts on specified networks. Its feature set also covers traffic accounting by host and IP address, configurable collector ports and sampling rates, automatic rotation and flushing of older data, a web-based configuration interface, and REST endpoints for graphs and traffic summaries.
The strongest fit is its focused flow-collection workflow. OphanimFlow brings collection, traffic classification, accounting, graphing, and data handling into one self-hosted tool rather than centering on a broader platform. Operators can configure collector ports and sampling rates, then review per-host bandwidth graphs and traffic summaries through the web interface or REST endpoints. That combination suits teams that want direct visibility into flow data and control over how the collector stores and rotates it.
Deployment is oriented toward self-managed infrastructure, with published setup instructions targeting FreeBSD and Debian systems. That makes OphanimFlow a practical choice for teams comfortable maintaining their own collector and web interface, but a less natural fit for buyers seeking a managed service or a wider monitoring environment. Choose it when open-source, self-hosted flow collection is the priority; consider another product if the requirement is a broader platform around integrations, alerting, or additional operational tooling.
Your product? Our editors can test OphanimFlow in depth and publish a review, labelled as paid · from $149/mo →
OphanimFlow pricing
OphanimFlow fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Application monitoring | Not verified |
| User monitoring | Not verified |
| Flow protocol support | Netflow |
| SNMP monitoring | Not verified |
| Monitored device limit | Not verified |
| Historical data retention | Not verified |
| Bandwidth alerts | Not verified |
| Deployment | Self-hosted, Cloud, Browser extension |
| Platforms | Web, Linux |
| Support | Docs |
| Built for | Small business, Mid-market (editorial estimate) |
| Pricing | Open source |
| Website | github.com |
| Facts checked | 21 Sep 2026 |
Alternatives to OphanimFlow
- ntopngA broad self-hosted toolkit for real-time, historical, and infrastructure visibility.9.4
- ManageEngine NetFlow AnalyzerA broad flow-monitoring suite for enterprise networks, with free and scalable paid editions.9.2
- Progress FlowmonA broad hybrid monitoring platform for teams needing flow, topology, performance and security analysis.9.0
See all OphanimFlow alternatives →
Used OphanimFlow? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used OphanimFlow for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
OphanimFlow is listed in our Bandwidth Monitoring Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/ophanimflow/"><img src="https://www.itechguides.com/best/badge/ophanimflow.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update