testcontainers/testcontainers-python 💎 hidden gem
Tests get a real, empty PostgreSQL started in a container and thrown away afterwards.
usebruno/bruno
An open-source client for HTTP requests that stores every saved request as a plain file in your own repository.
makeplane/plane
Open-source project tracking that serves as an editorial calendar for the blog and the channel.
ueberdosis/hocuspocus 💎 hidden gem
The ready-made Yjs collaboration server — holds the document, broadcasts changes, and saves to your own database.
yjs/yjs
The CRDT everyone uses — several people editing one document at once, offline edits merging cleanly later.
ascorbic/unpic-img 💎 hidden gem
One image component for Astro, React and eight other frameworks that already knows imgproxy's URL format.
mermaid-js/mermaid
Diagrams from a few lines of plain text, rendered natively by GitHub, Notion, Obsidian and Claude.
qq15725/modern-screenshot 💎 hidden gem
Renders a DOM node to PNG, JPEG or SVG in the browser — the actively released project doing what html-to-image does.
jameskerr/react-arborist
Virtualised React tree with keyboard navigation and filtering — the mobile and accessible view of the subtopic map.
paulirish/lite-youtube-embed
Renders a YouTube embed as a thumbnail until someone presses play — roughly an order of magnitude less initial page weight.
kieler/elkjs 💎 hidden gem
Eclipse Layout Kernel in JavaScript — the automatic graph layout React Flow does not ship, and the reason a 40-node map reads instead of tangling.
reaviz/reagraph 💎 hidden gem
WebGL 2D/3D graph canvas for React with clustering — the zoomed-out constellation view that hands off to React Flow.
vercel/satori
Turns HTML/CSS into images — mass-produce thumbnail variants and blog OG images from one template.
xyflow/xyflow
React Flow — node-and-edge canvas with pan, zoom, minimap; the most direct way to render Grasppy's subtopic map.
No repository in this area carries every tag you picked.
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