UMLet is a free, open-source UML tool with a simple user interface for drawing UML diagrams. Sequence and activity diagrams can be created from plain text, and diagrams can be exported to eps, pdf, jpg, svg and the clipboard. It is available as a stand-alone app for Windows, macOS and Linux, as an Eclipse plugin, as the UMLetino web app and as a Visual Studio Code extension.
A node-based desktop editor for building image processing pipelines. Nodes are dragged onto a canvas and connected, then run, and each node performs a single operation such as loading, upscaling, resizing, background removal or saving. It is free and open source for Windows, macOS and Linux, and was originally written for AI upscaling.
Bespoke is an open-source software modular synthesizer for Mac, Windows, and Linux, licensed under GPLv3. Users connect modules together to create sounds, and it is designed to be highly customizable, with layouts described as bespoke to each user. Its design is less focused on a global timeline than a DAW and more optimized for jamming and exploration.
Chart Builder is a free client-side tool for creating pie, bar, line, area, scatter and donut charts from CSV or TSV data. It sends no data related to input to servers, and the charts can be used anywhere.
LineGraphMaker is an online tool for creating line graphs. Users add a title and axis labels, enter data labels and values separated by commas, adjust line tension, set axis scale and grid lines, and download the graph as a JPG or PNG file.
Gephi is free, open-source software for network visualization and analysis. It is available as a desktop application and as Gephi Lite in the browser. It includes algorithms for community detection, centrality measures and clustering, multiple layout algorithms, appearance customization and image exports. The source code is released under the GPL license.
draw.io is a free diagramming application for drawing technical diagrams and web-based sketching. Diagrams can be stored in online storage platforms, a browser, a local device, or offline with a standalone desktop app. It integrates with platforms including Atlassian Confluence and Jira, Google applications, GitHub, GitLab, Microsoft applications and Notion.
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A node-based desktop editor for building image processing pipelines. Nodes are dragged onto a canvas and connected, then run, and each node performs a single operation such as loading, upscaling, resizing, background removal or saving. It is free and open source for Windows, macOS and Linux, and was originally written for AI upscaling.
Bespoke is an open-source software modular synthesizer for Mac, Windows, and Linux, licensed under GPLv3. Users connect modules together to create sounds, and it is designed to be highly customizable, with layouts described as bespoke to each user. Its design is less focused on a global timeline than a DAW and more optimized for jamming and exploration.
Chart Builder is a free client-side tool for creating pie, bar, line, area, scatter and donut charts from CSV or TSV data. It sends no data related to input to servers, and the charts can be used anywhere.
LineGraphMaker is an online tool for creating line graphs. Users add a title and axis labels, enter data labels and values separated by commas, adjust line tension, set axis scale and grid lines, and download the graph as a JPG or PNG file.
Gephi is free, open-source software for network visualization and analysis. It is available as a desktop application and as Gephi Lite in the browser. It includes algorithms for community detection, centrality measures and clustering, multiple layout algorithms, appearance customization and image exports. The source code is released under the GPL license.
draw.io is a free diagramming application for drawing technical diagrams and web-based sketching. Diagrams can be stored in online storage platforms, a browser, a local device, or offline with a standalone desktop app. It integrates with platforms including Atlassian Confluence and Jira, Google applications, GitHub, GitLab, Microsoft applications and Notion.
