Developer tools / PlantUML
PlantUML
Easily create beautiful UML Diagrams from simple textual description. There are also numerous kind of available diagrams. It's also possible to export images in PNG, LaTeX, EPS, SVG.
Where it stands
3.0 / 5
Signals score
Not a hands-on test
Based on 1 of 3 signals
- Website health3 / 5 · weight 50%
Measured from the tool's public website
Built only from what we can measure or quote without using the tool. How ranking works
Rank by signals
We have not run our own hands-on test on PlantUML yet. How tests work
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
Measured signals
3 / 5 · measured 2026-11-08Read automatically from PlantUML's public website: how reliable, secure, private and open the site is. This is not a test of how well the tool does its job. How this is measured
- Reliability5 / 5The page answered and finished downloading in 22 ms.
- Security2 / 50 of 5 protective headers set.
- Privacy3 / 52 third-party tracking services found: Google Analytics, Google Ads.
- Transparency1 / 5No privacy policy linked; no pricing page linked.
Community feedback
Not enough discussion yet: 9 classified comments from 3 threads. We need at least 12 from 2 threads.
- Positive
“I have followed PlantUML for a long while, but mostly use OmniGraffle to make UML sequence diagrams and occasionally high level class diagrams. I wrote a UML book with Paul Harmon many years ago, but now I only use UML a…”
Read in the thread - Positive
“As far as I remember, GitLab supports rendering PlantUML diagrams. On GitHub, you can use a trick to render the diagrams using the public PlantUML server, which works only is your diagrams can be public. I have a script…”
Read in the thread - Critical
“I like PlantUML but have been disappointed by the quality of its vector output options (SVG, etc.). I found that things rounded corners tended to be rendered at limited resolution, which becomes apparent if zooming in…”
Read in the thread
Threads: PlantUML in a nutshell (2019, 48 comments) · Super Easy Sequence Diagrams – PlantUML (2017, 4 comments) · PlantUML Updates to “CoronaVirus License” (2020, 4 comments)
Listed, not yet tested
This tool answered when we visited its site on 2026-11-10. The description above is the tool's own. We have not tested it or recorded facts about its limits, pricing or privacy, so it has no score. Are you the maker? Claim this listing to correct details and request a test.
Are you the maker of PlantUML? Link to this page
Copy this into your site. The link goes to this page, and it does not change any score.
<a href="https://agathox.com/tools/plantuml">PlantUML on agathox: compared and tested</a>
Tasks and scores
- Diagram makerNot tested yet
Similar tools
Top signals in Diagram maker.
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