Freedom251 › Mind Mapping Software
Semantik
What Semantik is
Semantik is a free, open-source mind-mapping application for Linux and KDE. It is intended for reports, presentations, flowcharts, and technical documentation. Maps can be edited as flat trees or in two dimensions, with tables, text, pictures, or diagrams attached to nodes. Document generators convert maps into presentations or reports in LaTeX, OpenOffice, or HTML. The bundled semantik-d application adds UML-like components, nodes, databases, and swimlanes for flowcharts and technical diagrams. Diagrams can be exported through the interface or command line as PDF, SVG, or PNG. GPL V3 source is available through an archive and Git repository, with build instructions. Main dependencies are Qt WebEngine, KDE 5, and Python 3. The README advises opening only documents you created yourself because of LaTeX commands, and notes possible rendering problems across font DPI settings or missing SVG fonts.
Who it suits
It suits Linux and KDE users creating visual plans, reports, presentations, flowcharts, or technical documentation. Developers who want GPL V3 source and build instructions can access the archive or Git repository.
What it does well
- Free and open source
- Two-dimensional or tree maps
- Nodes support varied content
- LaTeX, OpenOffice, and HTML generation
- PDF, SVG, and PNG export
What to know first
- Linux platform only
- Opening untrusted documents is discouraged
- Font DPI can affect rendering
- SVGs may need installed fonts
Verdict
Semantik connects mind maps with document generation and technical diagramming. Its Linux focus, source availability, and export options suit users comfortable with KDE dependencies and the noted rendering constraints.
Facts from Semantik's own pages
- Build requirements
- The project README lists Qt WebEngine, KDE 5, and Python 3 as its main dependencies. · gitlab.com, 12 Oct 2026
- Diagram export
- Diagrams can be exported as PDF, SVG, or PNG through the interface or command line. · waf.io, 12 Oct 2026
- Diagramming
- The bundled semantik-d application includes UML-like widgets such as components, nodes, databases, and swimlanes for flowcharts and technical documentation. · waf.io, 12 Oct 2026
- Distribution
- The maker offers source code and Git access, with build instructions included; the page dates the source archive 2024-03-10. · waf.io, 12 Oct 2026
- Document generation
- Maps can be converted into presentations or reports using document generators. · waf.io, 12 Oct 2026
- Document output
- Document generators convert maps into presentations or reports in LaTeX, OpenOffice, or HTML formats. · waf.io, 12 Oct 2026
- Export formats
- PNG,PDF,SVG · waf.io, 20 Sept 2026
- Getting started
- The README directs users to the help-menu tips or the example.sem file to get started. · gitlab.com, 12 Oct 2026
- Integrity
- The maker says its archives and Git commits are signed using the project's public key. · waf.io, 12 Oct 2026
- Intended audience
- The maker describes Semantik as a KDE mind-mapping tool for people creating reports, presentations, flowcharts, and technical documentation. · waf.io, 12 Oct 2026
- Known quirks
- The README says documents made with specific KDE font DPI settings may render improperly at other DPI settings, and exported SVGs may render improperly if the same fonts are not installed. · gitlab.com, 12 Oct 2026
- License
- The source code is licensed under GPL V3. · waf.io, 12 Oct 2026
- Map editing
- Mind-maps can be edited as flat trees or in two dimensions. · waf.io, 12 Oct 2026
- Mind maps
- Mind maps can be edited as flat trees or in two dimensions. · waf.io, 12 Oct 2026
- Node content
- Each map node can be associated with tables, text, pictures, or diagrams. · waf.io, 12 Oct 2026
- Output formats
- The site names LaTeX, OpenOffice, and HTML as technical documentation formats. · waf.io, 12 Oct 2026
- Supported platforms
- linux · waf.io, 20 Sept 2026
- Purpose
- Semantik is a mind-mapping application for KDE that helps create reports and presentations. · waf.io, 12 Oct 2026
- Rendering limit
- The README notes that documents made with particular KDE font DPI settings may render improperly under other font DPI settings. · gitlab.com, 12 Oct 2026
- Requirements
- The repository README lists Qt WebEngine, KDE 5, and Python 3 as the main build dependencies. · gitlab.com, 12 Oct 2026
- Security limitation
- The README advises opening only documents you created yourself because of LaTeX commands. · gitlab.com, 12 Oct 2026
- Security note
- The README advises opening only documents you created yourself because of LaTeX commands. · gitlab.com, 12 Oct 2026
- Signed releases
- The maker says its archives and Git commits are signed using the project's public key. · waf.io, 12 Oct 2026
- Source availability
- The maker offers a source archive and Git repository, with instructions to build Semantik. · waf.io, 12 Oct 2026
Where Semantik stands on Freedom251
- Mind Mapping Software#72 of 72
- Mind mapping tools#72 of 72