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GMDH Streamline

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What GMDH Streamline is

GMDH Streamline is a demand forecasting and inventory replenishment application for businesses. It works with sales and inventory information to produce statistical forecasts, replenishment orders, and demand and revenue plans. Data can be brought in from spreadsheets, ODBC-enabled databases, and supported accounting or inventory systems. Listed connections include SAP, Oracle NetSuite, Microsoft Dynamics, QuickBooks, Odoo, Shopify, and Cin7; bidirectional integrations can send recommended replenishment orders back to a connected system. Planning features include reorder point automation, safety stock planning, multi-location planning, and transfer recommendations. Streamline is available for macOS, Windows, web, and self-hosted deployment. Its Windows Server service allows multiple users to work on one project file at the same time. The free edition costs nothing and covers up to US$ 1M in annual revenue, 1,000 planning items, and 10,000 annual sales quantity. Other pricing is customized. Mac support starts at macOS 10.14; the maker notes that its Mac package is not signed with an Apple-issued certificate.

Who it suits

It suits businesses that need to forecast demand and plan replenishment across inventory locations. Teams that need shared access to a project file can use the Windows Server service.

What it does well

  • Imports data from spreadsheets and ODBC databases.
  • Integrates with SAP, Shopify, and other listed systems.
  • Includes safety stock and multi-location planning.
  • Windows Server supports simultaneous work on one project file.

What to know first

  • Free Edition has limits on revenue, planning items, and sales quantity.
  • Mac package lacks an Apple-issued certificate.
  • Customized pricing is not listed.

Limits

The Free Edition covers up to US$1M in annual revenue, up to 1,000 planning items (SKUs × Locations), and up to 10,000 annual sales quantity. Pricing outside that edition is customized based on customer needs.

Plans

PlanBilled and limitsPrice
Free EditionUp to US$1M annual revenue · 1,000 planning items · 10,000 annual sales quantityFree
Customized pricingPricing is customized based on the customer’s needs.On request
Licensed editionUnrestricted during subscriptionOn request

As gmdhsoftware.com lists them, read 15 Oct 2026. The maker's own page has the final word.

Getting started

  1. Visit the GMDH Streamline website.
  2. Choose a deployment option: macOS, Windows, web, or self-hosted.
  3. Select the Free Edition or contact the maker about customized pricing.
  4. Import sales and inventory data from a spreadsheet, ODBC database, or supported system.
  5. Create forecasts and replenishment plans for your planning items.

Overview

GMDH Streamline is a desktop application for businesses that need to turn sales and inventory data into demand forecasts and replenishment plans. It suits inventory teams that want forecasting connected to reorder decisions; the free edition is a useful starting point, but its revenue, item and sales-quantity caps may rule it out for larger operations.

Streamline can produce statistical forecasts, replenishment orders, and demand and revenue plans from imported data. Its combination of planning capabilities and several deployment options is a strength, provided its supported connections and Windows-based server requirements fit the business.

Key features

Forecasts tied to inventory decisions

Streamline imports sales and inventory information to generate statistical forecasts, then supports decisions through replenishment orders and demand and revenue plans. Reorder point automation, safety stock planning, multi-location planning and transfer recommendations make it relevant to teams managing stock across locations, rather than businesses looking only for a standalone forecast.

Connections and replenishment exports

Data can be imported from spreadsheets, ODBC-connected databases, and supported accounting or inventory systems. Listed integrations include SAP, Oracle NetSuite, Microsoft Dynamics, QuickBooks, Odoo, Shopify and Cin7. Where an integration is bidirectional, recommended replenishment orders can be exported back to the connected system. That can connect planning with execution, though the fit depends on whether Streamline supports the systems a business uses.

Shared project work

Streamline Server is a Windows service that lets multiple users work simultaneously on the same project file. The maker says hosted solutions use TLS to protect client-server data transfers, and passwords are hashed on the server and encrypted over the network. For projects above 100,000 SKUs, the recommended server setup includes Windows, a virtual machine with a minimum two-core 3+ GHz processor, and 16 GB of RAM; that is a meaningful infrastructure requirement for larger deployments.

Pricing

Streamline uses a freemium model. The Free Edition costs free and covers up to US$ 1M in Annual Revenue, up to 1000 Planning Items (SKUs × Locations), and up to 10,000 Annual Sales Quantity. Those caps make it a practical entry point for smaller operations that fall within all three limits, but not a free tier to assume will scale with a growing business.

The Customized pricing plan has custom pricing based on customer needs. It is the option for organizations whose requirements exceed the Free Edition limits or need a tailored solution. The company invites customers to describe their needs so a Streamline expert can help choose a solution.

Platforms

Streamline supports macOS, Windows, web and self-hosted deployment. macOS support starts with version 10.14, but the Mac package is not signed with an Apple-issued certificate, a caveat for users who require signed software packages. Streamline Server runs as a Windows service, so teams considering shared project work should account for that platform requirement.

Who it's for

Streamline is aimed at businesses planning demand and inventory replenishment, especially those that need statistical forecasts alongside reorder points, safety stock, multi-location planning or transfer recommendations. It is a stronger fit when the business can use its data connections and wants recommendations linked to replenishment orders. It is less suitable for teams whose systems are unsupported, whose project environment cannot accommodate Windows Server, or whose revenue, planning-item count or annual sales quantity exceeds the free caps and does not justify customized pricing.

Pros and cons

  • Pros: Forecasting connects to replenishment orders and demand and revenue plans, so planning can support operational decisions rather than stop at projections.
  • Pros: Spreadsheet, ODBC and named business-system connections give teams several ways to bring data in; bidirectional integrations can return recommended orders to connected systems.
  • Pros: Multi-user work on one project file and hosted transfer protections support shared planning workflows.
  • Cons: The Free Edition is bounded by three separate thresholds—annual revenue, planning items and annual sales quantity—so a business must fit all of them.
  • Cons: Streamline Server is Windows-based, and the recommended setup for projects above 100,000 SKUs calls for substantial memory and processor capacity.
  • Cons: The Mac package lacks an Apple-issued signing certificate, which may complicate adoption for users who require signed packages.

Alternatives

Replenishment Software is the broader category to explore when comparing options. Consider Retalon Price Management and Optimization if you want a paid, web-based alternative with pricing available by demo request. Blue Ridge Replenishment Optimization is another paid web option, with a demo available by contacting Blue Ridge. buffers.ai is a paid web-based alternative.

eTurns TrackStock is worth considering for mobile access on Android or iOS as well as web: its Replenish — stockroom plan costs $40 a month, billed billed semi-annually, and includes unlimited users, items and suppliers. It has a free trial but no free plan. LEAFIO AI Replenishment Software, pacemaker.ai Replenishment Decision Intelligence, Slimstock Slim4 and Demandsoft Replenishment Solutions (PRIME One) are paid web-based alternatives.

Verdict

Choose GMDH Streamline if your business needs demand forecasts connected to replenishment planning, can work with its supported data connections, and can meet its deployment requirements. Its key advantage is the link between forecasts and inventory actions; look elsewhere if the Free Edition caps are too restrictive, you need a signed Mac package, or a Windows server does not suit your environment.

Verdict

Streamline brings forecasting and replenishment planning together, with multiple data connections and deployment options. Check the Free Edition limits and Mac package signing note against your requirements.

Questions

Is GMDH Streamline free?

Yes. Its Free Edition costs nothing and has limits on annual revenue, planning items, and annual sales quantity.

What platforms does Streamline support?

It is available for macOS, Windows, web, and self-hosted use. macOS support starts at version 10.14.

What systems can it connect to?

It can import data from spreadsheets, ODBC databases, and supported accounting or inventory management systems. Listed integrations include SAP, Oracle NetSuite, Microsoft Dynamics, QuickBooks, Odoo, Shopify, and Cin7.

Can it send replenishment orders back to connected systems?

The maker’s documentation says bidirectional integrations can export recommended replenishment orders to the connected system.

What does Streamline Server do?

Streamline Server is a Windows service that allows multiple users to work simultaneously on the same project file.

Facts from GMDH Streamline's own pages

Automation API
A command-line interface supports scheduled updates, saves, order exports and report exports through batch files. · gmdhsoftware.com, 15 Oct 2026
Changelog
The published changelog lists Windows/Mac version 5.33.1 and Server version 2022.11.1 dated December 8, 2022. · gmdhsoftware.com, 15 Oct 2026
Company founded
Gartner and LinkedIn list the privately held company as founded in 2020. · gartner.com, 15 Oct 2026
Company headquarters
GMDH lists its headquarters at 55 Broadway, New York, New York 10006, United States. · gmdhsoftware.com, 15 Oct 2026
Company legal name
The maker identifies itself as GMDH, Inc. · gmdhsoftware.com, 15 Oct 2026
Company size
LinkedIn and Gartner list approximately 51–200 employees. · linkedin.com, 15 Oct 2026
Core workflow
It imports sales and inventory data, generates statistical forecasts, and exports replenishment orders to an ERP or database. · gmdhsoftware.com, 15 Oct 2026
Data connections
It can import data from spreadsheets, databases with ODBC drivers, and supported accounting or inventory management systems. · gmdhsoftware.com, 28 Sept 2026
Data requirements
The documentation recommends at least 24 months of sales history for accurate forecasts. · gmdhsoftware.com, 15 Oct 2026
Demand forecasting
The company says its demand forecasting uses pre-trained decision trees forming an expert system. · gmdhsoftware.com, 15 Oct 2026
Documentation
The public guide covers forecasting, inventory planning, MRP, shelf-life products, two-echelon planning, inter-store optimization, reports, collaboration, server administration and command-line automation. · gmdhsoftware.com, 15 Oct 2026
Forecast controls
Users can manually adjust forecasts, approve them through workflow statuses, and perform what-if revenue analysis. · gmdhsoftware.com, 15 Oct 2026
Forecasts and plans
It imports sales and inventory information, generates statistical forecasts, and can create replenishment orders and demand and revenue plans. · gmdhsoftware.com, 28 Sept 2026
Headquarters
New York, New York, United States · gmdhsoftware.com, 23 Sept 2026
Hosted security
For hosted solutions, the maker says client-server data transfers use TLS encryption and passwords are hashed on the server and encrypted over the network. · gmdhsoftware.com, 28 Sept 2026
Installation
The client installer contains all required files and can be installed offline after downloading the executable. · gmdhsoftware.com, 15 Oct 2026
Integration direction
Most inventory-system connectors are bidirectional and can send purchase, transfer or manufacturing orders back to the source system. · gmdhsoftware.com, 15 Oct 2026
Integrations
Official documentation lists spreadsheet, ODBC database, custom API, and connectors for systems including SAP, NetSuite, Dynamics, QuickBooks, Odoo, Shopify, Cin7, Fishbowl, Spire and Unleashed. · gmdhsoftware.com, 15 Oct 2026
Intended customers
The company describes Streamline as a demand forecasting and inventory replenishment planning solution for businesses. · gmdhsoftware.com, 28 Sept 2026
Inventory planning
Inventory planning is designed to reduce overstock while maintaining stock for expected demand. · gmdhsoftware.com, 15 Oct 2026
Licence
GMDH describes the technology as 100% proprietary, and its terms prohibit copying, modifying or distributing the software and site content. · gmdhsoftware.com, 15 Oct 2026
Limit: desktop and deployment model
A reviewer disliked the desktop application, while another requested SaaS deployment and stronger collaborative building-block features. · softwareadvice.com, 15 Oct 2026
Limit: integration effort
Reviewers report that systems without direct connectors require manual or automatic data preparation and integration work. · softwareadvice.com, 15 Oct 2026
Limit: licence mobility
One reviewer said the licence being tied to a physical computer limits working from home or while travelling. · softwareadvice.com, 15 Oct 2026

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