
Excalidraw
Graphviz
PlantUML
Diagrams
asciiflow
Mermaid
SequenceDiagram.org
Creates diagrams from textual descriptions! It provides a unified API with support for BlockDiag, BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom

DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.

Which is more popular?
Based on our record, Kroki seems to be more popular. It has been mentioned 39 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | kroki.io | devtoolstack.io |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Kroki and DeveloperToolStack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Https://kroki.io/#try Shout out to Kroki, which offers Mermaid and many other text-based diagramming formats. - Source: Hacker News / 3 months ago
The CLI sends the block to Kroki, gets back an image, and saves it locally. After committing the image to your assets repo, dev push replaces the code block with an image link pointing to GitHub — dev.to never sees the mermaid source.... - Source: dev.to / 7 months ago
In this blog post, we will implement a custom section helper that allows to invoke a Kroki.io server to generate images from almost every possible diagram as code language. - Source: dev.to / over 1 year ago
Tracking DeveloperToolStack since Aug 2026.
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PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
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