Topic·10 articles
Next.js
Every project write-up tagged Next.js.
D-ID You
Putting a Talking AI Presenter in Any Video With ffmpeg and D-ID
How D-ID You turns an uploaded video into a narrated MP4 with a circular AI presenter, using ElevenLabs, DeepSeek V3, D-ID Talks and one long ffmpeg filter.
RUA (product story)
From a Chatbot for One Elder to RUA, a Caregiver Command Center
The 0-to-1 story of RUA across five repos: a 2025 Flask chatbot, a privacy proposal, a pure-HTML mockup, a local-first iOS app, and a waitlist site.
Director (fal x Sequoia hackathon)
The Video Editor You Talk To, Compiled to One ffmpeg Command
How I built Director, a voice-directed video editor where a LiveKit agent casts characters, renders shots on fal, and edits an ffmpeg timeline by tool call.
2nd Place, ElevenLabs x Replit HackathonFaceTime from Mars
Faking a 225 Million Kilometer Phone Call to Mars
How FaceTime from Mars turns browser speech recognition, gpt-4o-mini and ElevenLabs voices into a push-to-talk call with three AI Mars colonists.
Jungle Safari
How Jungle Safari Hides Every AI Round Trip From a Toddler
Jungle Safari is a toddler animal-sound quiz where every ElevenLabs clip and GPT-4o-mini mascot line is generated ahead of time and cached so nothing loads.
Winner, ElevenHacks (Stripe x ElevenLabs)Living Photos
Walking Into a Photograph with Gaussian Splats and a Cloned Voice
How I built Living Photos, a Next.js app that turns one photo into a walkable 3D splat scene with a consent-gated ElevenLabs voice inside it.
Tax It Easy
Building a Voice CPA That Only Says What It Can Cite
How Tax It Easy, a voice AI CPA built overnight at the Moss x YC hackathon, grounds every spoken number and tax-law answer in cited retrieval.
Spotify for Hackers
Building an AI DJ That Never Leaves Dead Air Between Tracks
How Spotify for Hackers uses Groq, ElevenLabs and browser-side audio ducking so a voiced AI host bridges every track handoff without a gap of silence.
Super Nova
Wiring a Voice-Only Companion to MCP, Groq and ElevenLabs
How Super Nova turns continuous speech into MCP tool calls and on-screen widgets with a hand-written MCP client, regex-first routing, and ElevenLabs TTS.
TalkativePDF
TalkativePDF: Wiring Chat-with-PDF RAG on Next.js and Pinecone
How I built TalkativePDF, a chat-with-your-PDF app on Next.js 15, Clerk, Firebase, Pinecone and LangChain, and what the code gets right and wrong.