AIAvatarKit
AI & Generative AI
A Python toolkit for quickly building conversational AI avatars, published by the same GitHub account (uezo) as ChatdollKit.
Free planAIIndie
AI & Generative AI: apps with a free plan
11 apps
11 apps that APP NAVI confirmed from official sources to have a free plan. Last checked: 2026-11-05. Anything we could not confirm stays "Unverified"; we never guess. Prices and specs change, so check each app's official page before you use it.
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AivisSpeech
AI & Generative AI
Free speech synthesis software that produces emotionally expressive voices, usable for video narration, voice dramas and similar.
Free planAIJapanese UI
Chatbox AI
AI & Generative AI
An AI client for using GPT, Claude, Gemini, DeepSeek and more with your own API keys, free to start on desktop, mobile and web.
Free planAI
ChatdollKit
AI & Generative AI
A Unity SDK for turning a 3D model into a voice-enabled chatbot. It supports several LLMs such as ChatGPT, Claude and Gemini and speech synthesis such as VOICEVOX and AivisSpeech.
Free planAIJapanese UIIndie
ComfyUI
AI & Generative AI
A node/graph-based tool for building visual AI workflows such as diffusion image generation, available as a desktop app and cloud service.
Free planAI
Dify
AI & Generative AI
A platform for building agentic workflows, agents and knowledge pipelines on one canvas, deployable on cloud, in your VPC, or self-hosted.
Free planAIJapanese UI
Langflow
AI & Generative AI
A low-code AI builder for agentic and RAG apps. You can code in Python and use any LLM or vector database.
Free planAI
Ollama
AI & Generative AI
An open-source tool for running open AI models locally or in the cloud. It provides a CLI, a REST API and Python and JavaScript libraries.
Free planAI
Open WebUI
AI & Generative AI
A self-hosted, extensible web platform for interacting with AI models via Ollama or OpenAI-compatible APIs, designed to run fully offline.
Free planAI
sd-scripts
AI & Generative AI
A collection of training, generation and utility scripts for Stable Diffusion and other image generation models, covering LoRA training and fine-tuning. Japanese versions of the README and docs are provided.
Free planAIJapanese UIIndie
SHAREVOX
AI & Generative AI
A free text-to-speech app that uses deep-learning speech synthesis. The official site says users can adjust intonation and speed in detail and create a voice from their own recording.
Free planAIJapanese UI