The best alternatives to Lightkey Predictive Typing for Windows are Design Sprint Kits, Swiftkey Neural Alpha, and Snippet. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
The Design Sprint Kit is an open-source resource for design leaders, product owners, developers or anyone who is learning about or running Design Sprints.
Snippet helps you type faster by binding your frequently typed phrases to short terms. iOS style text replacement, for the cross-platform Chrome, for free. Or, use it to quickly note down something you stumble upon. It comes with a handy search feature and is super easy to modify. All packed in a lightweight, snappy Chrome extension.