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Lassalle Technologies is a developer component vendor registered in France. Its core product, AddFlow, is designed for use cases such as flowcharts, workflow diagrams, organization charts, database diagrams, communication network diagrams, and state transition diagrams. It is not a low-code platform or SaaS product, but a diagramming/flowchart component that developers embed into their own applications.
AddFlow supports both interactive drawing and programmatic diagram generation, making it suitable for software that needs flowchart editing, topology visualization, or business process modeling capabilities. The product line includes AddFlow Script, AddFlow for WPF 2016, and AddFlow for WinForms 2015. AddFlow Script targets JavaScript and TypeScript and is the successor to AddFlow for HTML5; the WPF version is based on .NET Framework 4.0 and VS 2015; and the WinForms version is 100% Managed Code. The Professional edition provides graph layout algorithms, which are useful for diagram scenarios with more complex nodes and links.
The page states that Evaluation licenses and Commercial licenses are available. The WPF and WinForms versions can be purchased as either Standard or Professional editions, with the Professional edition including graph layout algorithms. The site emphasizes that distribution is Runtime Royalty free, which is valuable for teams embedding the component into commercial software. However, the crawled content does not disclose specific pricing, payment methods, maintenance fees, or support SLAs.
The advantages are its clear positioning and lightweight component footprint: the WPF deployment assembly is about 247KB, while the WinForms version is about 250KB. It also emphasizes a lightweight interface and flexible customization; visual elements such as nodes, links, captions, and resize handles can be customized. The drawbacks are limited information disclosure: there is no clear mention of modern npm/NuGet distribution, GitHub, community ecosystem, or detailed API documentation. AddFlow for WinForms 2015 is not compatible with older versions, so migration may require additional assessment. Some parts of the technology stack also feel relatively dated.
It is suitable for development teams maintaining enterprise desktop software, internal process designers, industrial/telecom topology tools, CRM systems, or expert-system diagram modules, especially projects that still use WinForms/WPF. If a team needs cloud collaboration, deep integration with modern frontend frameworks, or an active open-source ecosystem, alternatives such as GoJS, yFiles, JointJS, DHTMLX Diagram, and Syncfusion Diagram may be worth comparing. The source content provides no direct information about access from China, so network connectivity, payment convenience, and invoice support should all be verified in practice.
β This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on lassalle.com official site.
lassalle.com is an France Dev Tools provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach lassalle.com directly.