FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Gomix - The easiest way to build the app or bot of your dreams
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Recast.AI - Recast.AI is the leading platform to build, connect and monitor bots.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.