Audio & Voice
Assembly AI
Voice AI infrastructure for developers to transcribe, understand, and act on speech. Provides production-grade speech-to-text APIs, real-time streaming transcription, Voice Agent API, Speech Understanding, Guardrails, and an LLM Gateway through a unified developer platform.
Paraphrase Tool
Paraphrase Tool is a multilingual AI rewriter with 15 free modes for sentences, paragraphs, and essays, plus grammar checking and plagiarism detection.
Descript
Descript is an AI-powered video and podcast editor that lets you edit recordings by editing text. Its transcript-based editing workflow replaces traditional timeline editing - delete or rearrange words in the transcript and the video updates instantly. Key features include Underlord (AI co-editor that can write scripts, edit video, and design layouts on command), Studio Sound (one-click audio cleanup), filler word removal, AI voice cloning with Video Regenerate, green screen, eye contact correction, automatic captions in 25+ languages, multi-language translation and dubbing, AI avatars, and screen recording. Used by teams at Amazon, Salesforce, Figma, Spotify, and Microsoft. Free plan available. Paid plans start at $24/month for Hobbyist, $35/month for Creator, and $65/month for Business.
Cleanvoice AI
Cleanvoice AI is an automated podcast and audio editor that removes filler words, background noise, mouth sounds, dead air, and stutters from audio and video recordings, helping podcasters and content creators save hours of manual editing.
Podcastle
Podcastle (rebranded as Async in 2026) is an all-in-one AI-powered video and audio creation platform that lets you record, edit, publish, and repurpose content in a single browser-based workflow. Key features include multi-track remote recording for up to 10 guests with local device capture ensuring studio quality, AI-powered audio enhancement (Magic Dust for one-click noise removal), text-based editing via automatic transcription, AI voice cloning (Revoice), 1,000+ AI voices in 15+ languages, AI video generator, AI music generator, viral clip generator for short-form social media, built-in podcast hosting with RSS distribution, and a Voice API for developers. Free plan available. Paid plans start at $11.99/month for Storyteller, $23.99/month for Pro, and $49.99/month for Business.
Resemble AI
Complete generative AI security platform offering voice cloning, text-to-speech, speech-to-speech, deepfake detection, and AI watermarking for developers and enterprises.
Adobe Firefly
Adobe Firefly is Adobe's all-in-one creative AI studio combining image, video, audio, and vector generation with 30+ AI models. It is the only major AI image generator trained exclusively on licensed content (Adobe Stock, public domain) with IP indemnification for commercial use. Integrated into Creative Cloud (Photoshop, Illustrator, Premiere, Express), it offers the Firefly AI Assistant (2026 beta) for conversational multi-step workflows. Key features include Firefly Image Model 5, video generation with timeline editor, Generate Soundtrack, Generate Speech, Precision Flow, AI Markup, and Custom Models. Pricing starts at $9.99/month (Standard, 2,000 credits). Free tier: 25 credits/month. Best for agencies, marketing teams, and Adobe users who need commercially safe AI content.