I built an offline wiki that fits in a single 19 KB HTML file (opens in new tab)

I kept hitting the same wall looking for an offline wiki. Kiwix is great, but it's an app plus multi-GB ZIM files. IPFS needs connectivity and setup. I just wanted something dead simple: a knowledge file you can open on any phone with no install, and hand to the next person over Bluetooth or a USB stick. So I built Portable Knowledge Mesh. It's one reader.html (~19 KB). You open it — even straight from file:// — load a .mesh pack, and read/search offline. To share it, you just send the file; ...