character.ai
Character.AI lets you create characters and chat to them.
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charisma.ai
Charisma.ai is a conversational AI platform for building interactive scenarios for online training and campaigns. It offers realistic conversation simulations and real-time analytics on engagement, with publication to web, VR or game engine experiences through SDKs. Plans include a pay-as-you-go option and an enterprise tier with development options.
chatbotui.com
An open source ChatGPT UI. Source code.
chat.openai.com
The primary interface for interacting with OpenAI models, supporting chat, coding, data analysis, research, and agent workflows.
chatpdf.com
ChatPDF is a service for chatting with PDF documents, summarizing and answering questions about them. It accepts PDFs, files, videos and websites, and offers multi-file chats, cited sources, translation and a side-by-side view. The backend API lets users extract information from PDFs and create custom chatbots.
chatteron.io
AI chatbot building platform with API.
github.com
CodeFuse-ChatBot is an open-source intelligent assistant designed to support the full software development lifecycle. It is powered by a Multi-Agent Framework and integrates with DevOps toolkits, as well as code and documentation repository retrieval-augmented generation functionality to assist development workflows.
github.com
DeepPavlov is an open-source library for deep learning end-to-end dialog systems and chatbots. Version 1.0 is described as an NLP framework built on PyTorch and transformers for modular, configuration-driven development of NLP models, intended for practitioners with limited NLP/ML knowledge. It supports Linux, Windows 10+ through WSL/WSL2, and MacOS Big Sur+ on Python 3.6 to 3.10.
chat.deepseek.com
AI chat platform for asking questions, coding, reasoning, and working with DeepSeek models.
deformity.ai
Deformity is an AI form builder for conversational online forms, surveys, lead generation, and payment flows. It supports AI-guided and static forms and offers integrations via Zapier and an API. The Pro plan starts at $29/month with monthly billing and 250 AI conversations.
canaryarena.ai
Direct is a tool that allows users to chat directly with leading frontier AI search models. It enables comparison of model outputs, prompt testing and exploration of capable AI systems in a single interface. The page includes a notice that inputs are processed by third-party AI and responses may be inaccurate.
dmwithme.com
Meet Elise, your AI girlfriend with backbone and persistent memory. Build a real relationship that grows over time. She remembers everything and won.
documind.chat
Documind.chat is a tool for chatting with PDF documents using GPT4 AI. It supports summarizing documents, generating new content and question answering over PDFs, and can build a custom chatbot trained on a user's PDF.
eidolonai.com
Eidolon is an open source framework and agent server for building and deploying generative AI agent applications. It offers a pluggable SDK, declarative YAML agent definitions, and pre-built agents, and it supports adding RAG storage to applications. The server is described as a deployment server for agentic applications, and agents can be deployed to Kubernetes.
elevenlabs.io
ElevenLabs is an AI voice and audio platform. It provides an AI voice generator with access to more than 5,000 voices across over 70 languages, plus voice cloning, text-to-speech, dubbing, music generation, sound effect design, and conversational AI agent tools. The platform serves both individual creators and enterprise customers, with SDKs and APIs available for developers.
emailtriager.com
EmailTriager is described as an AI assistant that automatically organizes incoming emails and drafts ready-to-send replies in the background. It plugs into Gmail and trains on past emails, creating a Knowledge Base used to draft responses. The site states that EmailTriager never sends emails on the user's behalf and only drafts responses for review and sending.
github.com
Enclave is an open source project hosted on GitHub that provides an AI-powered virtual world. It offers AI companionship and AI socializing features, with supporting materials available in both English and Chinese.
cplx.app
Complexity is a browser extension for Perplexity.ai that adds quality-of-life features. It lets users change models and focus modes on the fly and interact with Spaces without leaving the homepage. It also provides a thread table of contents, a sticky toolbar, a custom Markdown block, thread and message export in markdown format, and a custom theme.
github.com
FastChat is an open platform for training, serving, and evaluating large language model based chatbots. Its core features include training and evaluation code for models such as Vicuna and MT-Bench, and a distributed multi-model serving system with a web UI and OpenAI-compatible RESTful APIs.
featuredgpts.com
Featured GPTs is a curated directory of custom GPTs for use with ChatGPT. It lists the top 1% of hand-picked, tested custom GPTs from the official GPT store, with content updated daily. Example listed GPTs include Video Summarizer and Midjourney Prompt Generator.
ultravox.ai
Ultravox is a real-time voice AI infrastructure layer for building voice agents. It trains a speech-native model and manages its own inference and infrastructure stack. The site offers developer-friendly APIs and agentic-ready primitives intended for natural, conversational voice agents. Ultravox has been acquired by Inworld. Pricing lists pay-as-you-go at $0 per month with the first 30 minutes free and $0.05 per minute after that.
formshare.ai
Formshare is a form builder that creates conversational AI forms. Users describe their form in natural language, and the service generates it. Forms can be shared by link or embedded on a website. The service states that it is free to use with unlimited forms and responses.
github.com
Gobii is an open-source platform for deploying and managing browser-use agents at scale with a conversational interface and API.
nomic.ai
GPT4All is a private, local AI chatbot tool developed by Nomic. It enables users to run open-source AI models directly on their personal devices without cloud connectivity, with all user data remaining on the local machine.