Based on our record, Graphviz seems to be more popular. It has been mentiond 36 times since March 2021. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
Graphviz: Open-source graph visualization software\ (6 comments). - Source: Reddit / 3 days ago
Mermaid would not be my first choice of diagramming software (that would be plain old Graphviz with PlantUML for more full featured graphs), but I'm glad to see some diagramming support on GitHub natively. There's already quite a few tools that let you embed via hotlink or generated link your graph.  https://graphviz.org/. - Source: Hacker News / 7 days ago
Want to mention graphviz although not the user friedliest, it is used by some projects.. - Source: Reddit / 7 days ago
The graphviz system , originally from at&t labs, has a program called "dot" that does this kind of thing very well, including routing the arrows around other boxes that may be in the way. It's been open sourced. 1: https://graphviz.org/. - Source: Hacker News / 29 days ago
For Day 3, Part 2, I used a Trie to organize all the input strings. To find the O_2 Generator and CO_2 Scrubber status, I just had to walk the tree, no repeated filtering needed. This is a visualization of the example input as a Trie, with red nodes representing the 0 bits, and white nodes representing the 1 bits, and the size of the node (and the numbers displayed inside) indicate how many input strings traveled... - Source: Reddit / about 2 months ago
CodeShare.io - Realtime code sharing for developers
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
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draw.io - Online diagramming application
RTCode - Real time code sharing web application
yEd Graph Editor - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.