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A hard-to-build layout and animation widget given away free for personal use and licensed at $100–$200 for commercial use, still paying its author every month years after he stopped writing code for it
"$100 or $200 or something" per commercial licence · free for non-commercial use · no exact figure is disclosed in the source
"He made the plugin and he finished it years ago and he moved on to other things, and he's still making a residual passive income to the tune of many thousands of dollars per month from that plugin."
Fewer bars = easier, cheaper, or faster for an AI-assisted solo builder. Editorial judgments based on the case details.
Metafizzy is the company Dave DeSandro built out of JavaScript widgets — small libraries that add a specific piece of behaviour to a website. The one Courtland Allen singles out handles grids: if a page shows a grid of items and the visitor sorts or reorders them, the items animate into their new positions.
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Data credibility: 📎 Creator-Reported, and deliberately graded down. Dave DeSandro is not on this call. Everything here comes from Courtland Allen of Indie Hackers describing the business during a YouTube interview with Will Kwan — Allen has interviewed DeSandro on his own podcast, so this is second-hand but well-informed. The financial claim is a single hedged sentence: "many thousands of dollars per month" of residual income, with the licence priced at "$100 or $200 or something." There is no exact revenue figure, no screenshot, no dashboard and no third-party data anywhere in the source, and none has been supplied here. The auto-captions garble both names — the company is transcribed as "metaphys" and the founder as "Dave dandro" — and the plugin in question is described by its behaviour rather than named, so it is described that way here too. The "five or six years ago" build date is relative to a recording made in early 2019.
For a dual-licensed JavaScript widget at $100–$200, the first buyers are converted rather than found.
The first payment for a widget like this one typically arrives from an agency rather than a product company.
For a widget that "almost everybody uses" on grid-based sites, the flywheel is embedded distribution.
The silent stretch for a library like this one falls before anybody has ever used it: weeks of building layout and animation maths that is, in Allen's description, mathematically intense, with no customer to reassure the author it is worth finishing. There is no trial signup to watch and no revenue to check.
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