AI Apps That Run in Your Browser

PenEcho is an open-source workspace that puts handwritten notes, diagrams and AI-generated widgets on an infinite canvas. It runs on your computer as a macOS or Windows app, or through Node.js with a browser interface. It's for people who want to work through technical ideas visually and give AI feedback by drawing directly on the result.

Pooled runs a single open model across browser tabs on laptops, desktops and phones, combining their memory when the model won't fit on one device. It's for people who want local AI chat or a coding assistant using hardware they already have. It's open source under the MIT license and requires no account or per-device installation.

CozyClay is a local 3D previsualization studio for filmmakers and AI video creators who want to plan framing and movement before generating a finished clip. You build a rough scene, pose characters, and edit camera moves and cuts on a timeline. Those shots become visual references for models such as Seedance, Kling and Veo, so you can specify the camera through a clip rather than relying on text alone.

Tel-Agent is a self-hosted AI receptionist for businesses that want phone calls and customer messages handled in one place. It runs on your own hardware and keeps recordings and searchable transcripts on your machine. It's free and open source under the AGPL-3.0 license.

Karakeep is a bookmark manager for people who collect links, notes, images and PDFs in one place. You can run the open source app on your own server with Docker under the AGPL-3.0 license, or use the managed Karakeep Cloud service. It has a web app, iOS and Android apps, and extensions for Chrome, Firefox and Safari.

Wan2GP brings video, image, music and speech generation to your own computer, with particular attention to GPUs with limited memory. It's for creators who want several media models in one browser interface. The project builds on Wan-Video/Wan2.1.

Bifrost is a self-hosted AI gateway for developers and teams whose applications use multiple model providers. It puts Ollama, custom model deployments, and cloud services behind one OpenAI-compatible API, so applications can switch models without maintaining a separate integration for each provider.

AIRI is a self-hosted AI companion for people who want a virtual character they can talk to and play games with. Inspired by Neuro-sama, it combines real-time voice conversation with game integrations for Minecraft and Factorio. The project is in early development; Factorio support is a work in progress with a proof of concept. It's open source under the MIT license.

exo is a local LLM runner that combines your devices into a cluster, letting you use models too large for one machine's memory. It's for people who want to run large models on their own hardware and developers connecting existing AI clients to local inference. It runs on macOS and Linux under the Apache 2.0 license.

LibreTranslate is a self-hosted machine translation API for developers and organizations that want to run translation on their own servers. It's free to download and can work offline. The project is open source under the GNU Affero General Public License v3.0 (AGPL-3.0).

Sim is an AI agent workspace for teams that need to build automations and control how people use them across an organization. You can self-host it on your own server or cloud with Docker or Kubernetes. Its open-source code uses the Apache 2.0 license.

Mastra is a TypeScript framework for developers building AI agents and applications on their own servers or inside existing web apps. Its server runs locally or as a standalone deployment; Mastra Cloud provides a hosted alternative. Model routing connects to providers such as OpenAI, Anthropic, and Gemini, so running the framework locally doesn't keep those model requests on your machine.

Home Assistant Assist is a voice assistant for people who want to control their smart home through natural language while keeping voice processing on their own hardware. It's built into Home Assistant, which runs on a Raspberry Pi or a local server and is open source under Apache 2.0.

AnythingLLM is an open source AI assistant for people who want to chat with their documents and use AI agents on their own hardware. The desktop app runs on Windows, macOS and Linux, while a Docker deployment supports multiple users on a self-hosted server. No account is required for the desktop app.

Langflow is a visual builder for developers creating AI agents and retrieval-augmented generation (RAG) applications. You can run it locally or on your own server, with Docker support and desktop apps for Windows and macOS. The open-source software uses the MIT license. A hosted cloud offering provides a separate deployment option.

Onyx is an AI search and chat platform for teams whose information is spread across workplace apps. It indexes company knowledge so employees can ask questions across sources and get answers grounded in relevant documents. Teams can deploy it in their own cloud or on bare metal, including an air-gapped environment.

Ente Photos is a Google Photos alternative for people who want encrypted photo backups and AI search without giving a storage provider access to their library. You can use its hosted service or self-host the server. Face detection, grouping and natural-language search run on your device; the hosted service stores your encrypted backups.

Qdrant is a self-hosted vector database for developers building semantic search, retrieval-augmented generation (RAG), recommendations and AI agent memory. It stores embeddings alongside JSON metadata, so applications can find similar content while restricting results by attributes such as location, text or numeric ranges. The Rust engine is open source under Apache 2.0 and runs locally in Docker or on your own servers.

GPT Researcher is a self-hosted AI research agent for people who need detailed, cited reports drawn from the web, their own documents, or both. You choose the language model and search provider, and can run the software on your own server or through Docker. It's open source under Apache 2.0.

LightRAG combines knowledge graphs with vector search to answer questions across a document collection. It's a self-hosted Python framework for developers building document assistants, particularly where answers depend on relationships between facts in different files, such as legal or financial material.

LibreChat is a self-hosted ChatGPT alternative for people and teams that want local models and cloud AI services in one chat interface. It runs on a server you control and is open source under the MIT license. You can switch models without moving to a separate chat app.

SD.Next is a self-hosted web interface for artists, researchers and people who want to generate and edit images or videos on their own hardware. It builds on Automatic1111 WebUI's original codebase and supports Stable Diffusion alongside other diffusion models. It's open source under Apache 2.0.

SearXNG is a self-hosted metasearch engine for people who want web search without user tracking or profiling. It brings results from separate search services into one browser interface. You can run your own instance or use a public one, depending on who you want to trust with your searches.

Dify is a source-available platform for teams building AI agents and apps on a visual canvas. Its Community Edition runs on your own server with Docker. Dify also offers a hosted cloud service, while Enterprise deployments can run in a VPC or on a self-hosted server. The Community Edition uses a custom Apache 2.0 derivative license.

Opik is an open-source LLM observability and evaluation platform for developers building AI agents and RAG applications. Its Apache 2.0 licensed platform can be self-hosted on your own hardware or servers; Comet also offers a hosted service. Self-hosting lets teams keep their observability deployment in their own environment.

Agno is a Python framework and runtime for developers building customer-facing or internal AI agents. You can run its agent platform locally with Docker, on your own servers or in your cloud. The open-source framework uses the Apache 2.0 license, and the platform keeps sessions, memory, knowledge and traces in your database.

Open Notebook is a self-hosted alternative to Google's NotebookLM for researchers, students, and professionals who want AI help with their own research materials. It runs locally or on your server through Docker and is open source under the MIT license. You choose which content the AI can access and which provider processes it.

llama.cpp runs language models on your own hardware and can serve them from a machine you control. It’s an MIT-licensed, open source inference engine for people building local AI apps, running a private model server, or using a model directly from the command line. It supports vision-language models too.

Activepieces brings AI agents and workflow automation into one workspace for teams that need to connect their apps and internal data. It runs on your own servers with Docker or Kubernetes, or as a managed cloud service. An isolated deployment can keep platform data on its own infrastructure; connected apps and model providers may still require external access. Its core and app integration pieces are MIT-licensed.

Immich is a self-hosted photo and video library for people who want their pictures on their own server. Its mobile apps for iOS and Android back up photos and videos, while the web interface gives each user a place to browse and manage their collection. The project is open source under the GNU AGPL v3 license.

ComfyUI is a local visual AI workspace for artists and technical teams who want to control how images, video, audio, 3D models and text are made. Its node canvas shows each model and processing step, so users can build and adjust workflows without writing code. It runs on your hardware.

IndexTTS, currently IndexTTS-2.5, is a local text-to-speech system that can reproduce a speaker's voice using one reference recording. It's for people creating spoken audio and developers building speech generation into their own applications. Voice identity and emotion have separate controls, so an emotional reference can shape the delivery while a different recording supplies the voice.

AFFiNE is a local-first knowledge workspace for individuals and teams who want documents and visual planning in the same place. It combines a block editor, an edgeless whiteboard and databases, making it an alternative to Notion and Miro for team wikis, project plans and connected notes.

LLaMA-Factory is an open-source framework for developers and researchers who want to adapt language and multimodal models on their own hardware. It brings training and inference into one toolkit, with support for LLaMA, Qwen3, Qwen3-VL, DeepSeek, Gemma, Mistral and LLaVA. Its license is Apache 2.0.

InvokeAI is a free, open-source image generator for artists and production teams who want to create and edit images on their own hardware. Its locally hosted web interface brings image generation, canvas editing and workflow tools into one application. With local models, prompts and artwork stay on the machine you control.

SiYuan is a local-first, self-hosted knowledge workspace for people who want linked notes, research material and AI writing tools in one place. Its block references let you connect individual passages rather than whole documents, with bidirectional links to follow those connections. It's open source under AGPL-3.0.