Microsoft Visio

It is a free online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. It is an open platform where you can create and share diagrams. It’s integrated with the tools you already use.

Solution for visual communication. Create online flowcharts, diagrams, UML sketches, and ER models.

It is an online whiteboard for teams to collaborate, brainstorm, map out flows, and more. It is easy to learn and fun to use, so anyone can participate and share their ideas.

It is used to draw UML diagrams, using a simple and human readable text description. Be careful, because it does not prevent you from drawing inconsistent diagrams. So it's more a drawing tool than a modeling tool. It is a component that allows to quickly write Sequence diagram, Usecase diagram, Class diagram, Object diagram, Activity diagram, Component diagram, Deployment diagram, State diagram, and Timing diagram.

It is a whiteboard tool that lets you easily sketch diagrams with a hand-drawn feel.

It is the most professional and popular mind mapping tool. Millions of people use it to clarify thinking, manage complex information, run brainstorming and get work organized.

It is a software design tool tailored for agile software projects. It supports UML, BPMN, ERD, DFD, SysML. It also supports use cases, wireframeing, code engineering, etc.

It is an online mind mapping application that allows its users to visualize, share and present their thoughts via the cloud.

It is a graphical programming interface that provides designers access to parametric modeling and data-driven customized workflows for building information modeling (BIM). It can run as an addin for Autodesk Revit and Autodesk Vasari, with the ability to manage Revit project files and family definitions, or it can run as a standalone program. It allows users to control complex geometry, construct parametric relationships, manage data, and automate tasks.

Create interactive user flows and stunning design presentations to engage your audience in synchronous or asynchronous design critique.

Make flowcharts, network diagrams, uml diagrams, org charts, mind maps, wireframes, and more.

Creators of Mac, iPad, and iPhone productivity software. Proud to bring you OmniFocus, OmniOutliner, OmniGraffle, and OmniPlan.

It is a collection of tooling to create software architecture diagrams and documentation based upon the C4 model.

It is built for the purpose of providing a free and open-source GUI prototyping tool that people can easily install and use to create mockups in popular desktop platforms.

It is an easy-to-use online diagramming application for planning, organizing, sharing, and optimizing your ideas. With real-time collaborative editing and a large selection of templates and shapes ready to use, your team can create professional diagrams in minutes. Flowcharts, mind maps, wireframes, network diagrams, and more are easy with its intuitive editor.

Cloud Maker lets you rapidly model your cloud infrastructure as a diagram, scan your configuration for security vulnerabilities, and deploy to Azure without having to write a line of Infrastructure-as-Code!

It is a freeware mind-mapping web application. Like other mind-mapping software, it produces hierarchically structured documents, like a branching tree.

It is a powerful desktop application that can be used to quickly and effectively generate high-quality diagrams. Create diagrams manually, or import your external data for analysis. Our automatic layout algorithms arrange even large data sets with just the press of a button.

Rapidly document or prototype algorithms, ideas and processes by writing meaningful pseudo-code. Flowchart will be created automatically.

It is a directory generation and office management application that helps office managers to gather, sort, and share the employee information. The software also has the option to keep the directory information private or shareable with the other stakeholders of the company.

Create static diagrams or fully interactive diagramming tools such as workflow editors, process management tools, IVR systems, API integrators, presentational applications and much more.

Fully-featured online tool for database design – simple but powerful. Create a database model, share it with your team, and finally generate SQL scripts instead of writing them manually.

It is the BPMN process specification platform. Its main purpose is to enable all stakeholders to model and collaborate on business process diagrams.

It is a super simple, no-nonsense diagramming library written in react that just works. It is a flow & process orientated diagramming library inspired by Blender, Labview and Unreal engine.

An online modeling platform to design software architecture in the cloud. Create class diagrams, use case diagrams and more in seconds, share your models and generate code in the cloud. Design UML online, create diagrams with the best UML tool. Design database model online with the ERD diagram editor.

It is a cloud-based Business Process Management (BPM) software that helps users model, manage, and automate all business processes. The software comes with a set of key features including business rules management, process analysis, collaboration, lifecycle management, process change tracking, mapping, and process modeling and design

It is a mind mapping tool that turns your computer, tablet or phone into a brainstorming, idea collection and thought structuring device.

With a minimal and intuitive user interface, creating flowcharts with Zen Flowchart is very easy and quick. The online tool also has Export and Publish features, which allow users to easily share their work.