Life & fun · alternatives · 2026

24 alternatives to Pathway Designr

Visual tool for drawing and simulating reaction networks

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Pathway Designr launched in 2016; newer entries below may have overtaken it.

1IB
I built an interactive plotter art exhibit for SIGGRAPH▲167
I'm enthralled with using pen plotters to make generative art. Last August at SIGGRAPH, I built an interactive experience for others to see how code can be used to make visual art. The linked blog post is my trials and tribulations of linking a MIDI controller to one of these algorithms and sending its output to a plotter, so that people may witness the end-to-end experience.
2024 · lostpixels.io · its alternatives →
2IB
I built a biological network visualization tool▲39
I've been working on nodes.bio - an interactive tool for visualizing biological networks and systems thinking. The tool features interactive network visualization powered by Cytoscape.js, with real-time graph editing and manipulation capabilities. It supports JSON import/export and provides a responsive design that works seamlessly on the desktop (mobile-friendly version coming later). The tech stack combines modern frontend technologies with robust backend architecture. The frontend uses Next.js 14 with TypeScript and Cytoscape.js for the visualization engine. The backend is built with…
2025 · nodes.bio · its alternatives →
3CM
Chemozart – molecule editor and visualizer with mechanics calculators▲34
2015 · github.com · its alternatives →
4BS
Blabr – Scientific Computing for the Web▲106
2015 · blabr.io · its alternatives →
5MF
My friend's project to simulate an entire C. Elegans▲147
2013 · nemaload.davidad.org · its alternatives →
6AD
A Diagram Editor for JupyterLab▲50
2018 · blog.jupyter.org · its alternatives →
7LA
Laboratory, a Python port of GitHub's Scientist library for refactoring▲153
2016 · github.com · its alternatives →
8TA
Terra, a JS framework for cellular automata and biological simulations▲121
2014 · rileyjshaw.com · its alternatives →
9LT
Linkurious, the first data visualization platform for graph databases▲86
2015 · linkurio.us · its alternatives →
10
Framer▲121
Prototyping tool for animation and interaction
2014 · its alternatives →
11GA
GraphvizAnim, a tool to create animated graphs, based on graphviz▲70
2016 · github.com · its alternatives →
12LA
Labit – a network of laboratory pages for research groups▲35
2017 · labit.io · its alternatives →
13IF
Interactive factorization diagrams▲26
2015 · david-peter.de · its alternatives →
14CA
CircuitLab, an in-browser schematic editor and circuit simulator▲46
2012 · circuitlab.com · its alternatives →
15FV
Funnel Visualization in HTML/CSS/D3.js▲60
2013 · bl.ocks.org · its alternatives →
16
Method Draw▲70
A free browser-based vector creator
2014 · its alternatives →
17
Graphism▲71
Games for Designers
2015 · its alternatives →
18GP
Graph Playground - Make Graphs/Networks and run Algorithms▲57
2017 · mikedombo.github.io · its alternatives →
19RD
RxJS Diagrams – A React library for visualising Rx operators▲37
2017 · rxjs-diagrams.com · its alternatives →
20SA
Scratchwork – a tool for drawing technical equations and diagrams▲40
2017 · scratchworktool.com · its alternatives →
21SP
Scikit-plot – One-line functions for data science visualization▲16
2017 · github.com · its alternatives →
22GI
GoJS - Interactive Canvas Diagramming Library▲48
2013 · gojs.net · its alternatives →
23SA
Scicademy – A student science research database/journal▲45
2016 · github.com · its alternatives →
24DA
Disc, a project visualisation tool for your node/browserify modules▲28
2013 · hughsk.github.io · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →