WinCompose - WinCompose supports the standard Compose file format.
Dataset Search - Making it easier to discover datasets. Made by Google.
PopChar - The character map that works!
SnowyOwl - A user friendly tool to manage your dataset
BabelMap - Unicode Character Map for Windows
Gigadata - Gigadata makes large datasets like total stock market prices, crypto, news, financials, reddit posts, government stats, the weather available via a simple API.