UML, modelling tools, code generators and code analysis tools

List of the tools that support Pascal language:

Umbrello UML Modeller (open source)

Creating diagrams from code, and generating code from your model. Supported languages: ActionScript, Ada, C++, C#, D, IDL, Java™, JavaScript, MySQL, Pascal, Perl, PHP, PHP5, PostgreSQL, Python, Ruby, Tcl, Vala, and XMLSchema. Links to applicationand documentation.

ESS-model for Lazarus (open source)

Generate class diagram from pascal source files. Supported language: Pascal. https://sourceforge.net/projects/essmodelforlaza/

MMX Code Explorer (free)

Code Browser two-way navigation, structured Class Editor, Explorer Refactoring, Editor Refactoring, Entity Insight and Live Documentation. Supported Languages: Pascal. https://www.mmx-delphi.de

GitUML (paid, free limited edition)

Generate diagrams and code maps from pascal source files. Supported languages: Python, Java, Javascript, Objective C, C#, Pascal. https://gituml.com

Visual Paradigm (paid, free limited edition)

Creating diagrams from code, generating code from your model, UML, BPMN, SysML, SoAML, UX, CMNN, CJM, DFD, ERD, REST, ORM, EA, Agile, Scrum, Flow Chart, Mind Mapping, Project Management, Team Collaboration... Supported languages: Java, C#, C++, Python, PHP, Hibernate, Ruby, VB.NET, ODL, ActionScript, IDL, Pascal, Perl, XML, XML Schema, Objective-C, Ada. https://www.visual-paradigm.com

Sparx Enterprise Architect (paid, free trial)

Creating diagrams from code, generating code from your model, UML, SysML, BPMN, Simulation, ERD, DDL, WSDL, XML, XSD, XSLT, Simulink, DDS, TOGAF, VDML, ArcGIS, ArchiMate, AUTOSAR, DMN, GML, Kanban, MDG, AML, Gantt, Mind Mapping, Project Management... Supported languages: ActionScript, Ada, C, C++, C#, Java, Pascal, Verilog, PHP, VHDL, Python, System C, VB.NET, VB. https://sparxsystems.com/products/ea/

Code Visual to Flowchart (paid, free limited edition)

Automatic code flow chart generator. Document, visualize and understand source code. Supported languages: Pascal, C, C++, C#, Basic, Python, Java, JavaScript, PowerScript, Perl, PHP, Unix Bourne Shell Script, Bash, Korn, Fortran, FoxPro, SQL, Ada, ASsembler, Cobol, Clipper, Haskel, Eiffel, Modula 3, Ruby, Structured Text, TeX. http://fatesoft.com

C/Delphi/Basic Code 2 Flowchart (paid, free trial)

Automatic code flow chart generator. Document, visualize and understand source code. Supported languages: C, C++, C#, PHP, Perl, Java, Javascript, Pascal, Basic. https://www.cadkas.com/downengtools10.php

Peganza Pascal Analyzer (paid, free trial)

Analyzes, documents, debugs, and helps you optimize your source code using static code analysis. Supported language: Pascal. https://peganza.com/products_pal.html

SciTools Understand (paid, free trial)

Developers’ “Swiss Army Knife” for maintaining, measuring, analysis, understanding and visualising large code bases. Navigate code, create dynamic graphs and diagrams to visualize relationships in complex code, metrics reporting and standards verification. Supported languages: Ada, Assembly, C, C++, C#, Cobol, CSS, Fortran, HTML, Java, JavaScript, JOVIAL, Pascal, PHP, PL/M, Python, Typescript, VHDL, VB.NET, XML. https://www.scitools.com