WinCompose is a compose key for Windows. It allows to easily write special characters such as é ž à û ø ð ¤ Ø « = µ, and many more using short and often very intuitive key combinations.
BabelMap is a free character map application for Windows that allows you to browse through the entire Unicode character repertoire of over 107,000 characters, or search for a particular character by name or by code point.
EF*CK is a free cross-platform open-source on-screen desktop emoji keyboard, with built-in text-filter-based emoji picker, Unicode text converter, meme GIF search function ...
The free emoji keyboard by Sticker Market comes with a great collection of stickers, GIFs and face emojis. Install the app keyboard and enjoy sharing the awesome stickers and millions of GIFs in all top messaging apps like Facebook, Snapchat, WhatsApp, Hangouts, WeChat and more.
70,000+ Unicodes in your pocket. Search Unicodes, Glyphs, SF Symbols and Emojis in a blink. Codepoint helps you to find the exact characters you need and supports you in discovering new glyphs. Export them as Symbols, Strings, Hexadecimals, HTML entities or even Swift code.