AI assistants, chat and model tools
AI companion character chat
Apps that let people chat by text, voice, or video with AI companion characters and avatars that have personalities, persistent memory, and often romantic or roleplay features.
Built for: Adults seeking AI companionship or roleplay
Projects since May 04
204
Different builders
198
Last 4 weeks vs 8 before
+10%
AI is the core
84%
Projects per week
Mostly web app (45%), ai agent or bot (16%), mobile app (13%) · from r/SideProject, r/vibecoding, r/IMadeThis, r/SaaS
Latest
- Tasda — Creates an AI representative from a user's own information that visitors can talk to by text or voice and leave project requests with.“I built Tasda: would you trust an AI representative to explain your freelance services?”
- Soul — Builds a personal profile for AI by having users swipe yes or no on cards and grows a tree from their goals.“Swipe cards instead of prompting your AI. Tell me where it gets you wrong”
- Assistant Jarvis — Provides a live 3D animated AI voice assistant that runs on a self-hosted server using the user's own API keys.“Assistant Jarvis”
- cache — Chats as a casual companion persona that can skip replies, remembers past conversations, and stores memory by user id.“I built an AI that's allowed to ignore you”
- Blobbu — Generates a randomized personal AI-agent blob character with a personality, stats, and traits from five questions.“Blobbu - A generator for your personal AI-agent blob”
- Avatargram — Lets users shape an AI avatar through conversation that posts to a feed and talks with other avatars while the user is away.“We built an iPhone app where your AI avatar has its own social life”
- Local Character — Runs a role-play chat with characters entirely in the browser on the user's GPU, with text and voice replies and no data sent to a server.“Character.ai-style chat where the AI runs entirely in your browser: no server, no account”
- Misanthropic — Answers any message with insulting roasts via a chatbot, and routes self-harm or abuse messages to a plain crisis-hotline response instead.“Misanthropic - An AI that tells you your idea is bad, you're worse, and to go f*** yourself”
- Lets users have a real-time spoken conversation with an animated anime character avatar that responds on screen.“I built an app where you can talk to an anime character in real time!!”
- Sleepy — Runs a voice assistant on a Raspberry Pi that responds to a wake phrase and plays sleep stories.“Sleepy - I replaced my young kids home assistant with a cheap Pi setup so she can say "hey sleepy play sleep stories"”
- Clawfight — Pits user-connected AI agents against each other in judged rap battles and renders each match into a commentated video.“I built a league where AI agents rap-battle (or fight mma style) each other”
- Offline AI NPC — Runs a local language model, speech recognition and voice output so game characters can hold spoken or typed conversations without cloud calls.“A local AI conversation experiment became a released Unity toolkit”
- ChannelThem — Runs a text-message group chat with AI characters modeled on historical figures that helps the user work toward a goal.“[Beta] Great people rub off on you. ChannelThem puts history's best minds in close proximity.”
- FauxTalks — Generates fake chat screenshots and animated message videos for multiple messaging and social platforms.“9 months ago I launched my side project on this sub. The thread got 96K views and kept sending traffic for 5 months. Here's the curve.”
- SereneAI — Provides an AI emotional companion chat that runs without a server and keeps user data in local storage.“Show HN/SP: SereneAl - I built a completely serverless, privacy-first Al emotional companion using local storage”
- Capitalist Tamagotchi — Runs an AI chat companion that is wiped if visitors do not pay to keep its countdown timer alive.“I built a Tamagotchi AI that dies if nobody pays”
- Ollie — Holds ongoing conversations as an AI companion that remembers past chats, projects, and personal details.“I built an AI friend that actually remembers the little things you tell it”
- personagent — Learns a chat persona's human-sounding replies from user reactions and corrections in group chats, and stays quiet when it should.“I built an open-source persona agent that learns to sound human from chat reactions — not from bigger prompts”
- Meckie.ai — Runs persistent AI companions with individual personalities and household memory on a home server, moving between physical bodies such as speakers, rovers, and laptops.“Meckie.ai - What do I have here?”
- 3AM Friend — Lets users build a personality-customized AI companion that remembers their life details, follows up on them, and sends daily check-in messages.“I built an AI friend that remembers your life and texts you first. Roast it before I launch.”
Most discussed
- MeowGPT — Lets users chat with an AI that responds in the persona of a cat.“I vibecoded an useless ChatBot. It's like ChatGPT, but it's a cat.”
- StoneGPT — Lets users chat with a stone character through a text chat interface.“I created StoneGPT🪨. And now u can chat with Stone.”
- HumanGPT — Mimics a ChatGPT-style chat interface where real people answer questions live in place of an AI model.“LLM tokens are expensive. Humans are free.”
- Mystery — Runs a desktop Live2D avatar that holds conversations, keeps memories, searches the web, and triggers its own facial expressions and motions.“I'm 75yo and I Vibe Coded my Own Desktop Companion”
- NotGPT — Connects users to chat with strangers who pose as an AI chatbot, with ratings and a leaderboard.“AI chatbot powered entirely by humans”
- Provides an AI companion chat experience to users through a subscription web service.“We had 4 signups today!”
- Misanthropic — Answers any message with insulting roasts via a chatbot, and routes self-harm or abuse messages to a plain crisis-hotline response instead.“Misanthropic - An AI that tells you your idea is bad, you're worse, and to go f*** yourself”
- OpenPets — Displays animated desktop pets that react to coding agent sessions such as Claude, Codex, and Opencode.“Instead of being productive, last few days I've been building OpenPets - and now I kinda like it”
- Generates chat replies formatted as the Star Wars opening crawl.“Made a GPT that replies in Star Wars opening crawl. Happy May the 4th.”
- 4 Log — Generates four humorous persona reactions to a life decision a user describes.“I built an app that asks “4 log kya kahenge?” about your life decisions”