SpeechEasy

Synthesizer V is an innovative music creation tool leveraging a deep neural network-based synthesis engine to produce remarkably realistic singing voices. It features customizable AI pitch generation, unlimited tracks, no core restrictions, VST3/AU plugin compatibility, ASIO support for Windows, Jack support for Linux, Cross-Lingual Synthesis, AI Retakes, Isolated Aspiration Output, Vocal Modes, Tone Shift parameter, Microtonal Adjustment, MIDI keyboard support, a metronome, and Lua/Javascript scripting. This appears to be a groundbreaking tool. (You will need to translate the page from Japanese to your preferred language)

Playcast.ai is a text-to-speech platform that converts written material like articles, PDFs, and books into private podcasts, allowing users to listen to their reading content while on the move. This handy tool is particularly beneficial for individuals with hectic schedules, commuters, or those with visual impairments who want to keep up with their reading at any time and place. Offering a range of natural-sounding voices and the option to shorten content into brief audio summaries, Playcast.ai attracts those who prefer to save time by listening rather than reading long texts.

Synthesia is a platform driven by artificial intelligence for creating videos, allowing businesses to produce videos from simple text within minutes. It provides access to a web-based app in 65 languages, features an easy-to-use interface, offers over 50 customizable video templates, and includes a built-in screen recorder and media library.