Oregano
Oregano: A free, open-source Linux desktop tool for drawing circuit schematics and simulating them with ngspice. Ranked #37 of 41 in Electrical Design Software by our editors (5.1/10); pricing: Free plan; best for linux users needing a simple circuit schematic tool.
At a glance
- Editor score5.1 / 10
- PricingFree plan
- Best forLinux users needing a simple circuit schematic tool
- Free planYes
- Paid fromFree
- Schematic captureYes
- Facts checked25 Sep 2026

Where it wins
- Create electronic circuit schematics in a graphical desktop interface
- Run circuit simulations through ngspice
- Free and open-source
Where it doesn't
- Linux is the only listed platform
- Simulation is described as basic
- The listed feature set is limited to schematic creation and simulation
Our verdict on Oregano
Oregano is a free, open-source desktop application for drawing electronic circuit schematics and simulating their behavior. It is aimed at Linux users who want a graphical way to create circuit diagrams and run simulations without moving between separate schematic and simulation tools. The product centers on two capabilities: graphical schematic creation and simulation through ngspice, which is also its listed integration. That focused scope suits straightforward circuit work better than users seeking a broad electrical-design environment.
Its ngspice connection is the defining feature: Oregano provides the graphical schematic interface, while ngspice handles circuit simulation. The published feature set characterizes simulation as basic, so buyers should view it as a simple schematic-and-simulation workflow rather than assume support for advanced analysis or broader electrical design tasks. Users who specifically need to create diagrams and simulate them in a desktop application may find that focus appropriate; those needing a wider set of design capabilities should compare alternatives.
Oregano is listed for Linux, with desktop deployment and an open-source pricing model. That combination may appeal to Linux users who prefer software they can inspect or adapt, and there is no paid plan structure to weigh. The trade-off is a narrow platform and feature scope: users on other operating systems, or those who need a broader toolset, should look elsewhere. Choose Oregano for simple, Linux-based schematic capture with ngspice simulation; do not choose it as a general-purpose electrical design suite.
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Oregano pricing
Oregano fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Schematic capture | Yes |
| Panel design | Not verified |
| Electrical simulation | Basic |
| Standards libraries | Not verified |
| MCAD integration | Not verified |
| Deployment | Desktop |
| Deployment | Desktop |
| Platforms | Linux |
| Integrations | 1 integrations: ngspice |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 25 Sep 2026 |
Oregano integrations
Oregano lists 1 integrations on its own site.
- ngspice
Alternatives to Oregano
- ETAPA broad electrical engineering platform for modeling, analysis, field workflows, and automation.8.9
- Trimble Electrical DesignerA standards-focused suite for calculating, validating and reporting electrical system designs.8.8
- EPLAN Electric P8A broad ECAD tool for structured electrical documentation and production workflows.8.7
See all Oregano alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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