Open Source AI Interaction & Interface Tools
A curated collection of the best open source tools and interfaces for interacting with AI models and systems.
Structured control layer for customer-facing AI agents
Stars
18,300Last commit
3 months agoLicense
Apache-2.0
A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.
Open Source Alternative to:
Keyboard-first email client with AI, chat, and tasks
Stars
4,691Last commit
5 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
Private AI chat with zero-access encryption
Stars
5,634Last commit
9 hours agoLicense
GPL-3.0
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Open Source Alternative to:
An AI assistant that acts, not just answers
Stars
392,141Last commit
5 hours agoLicense
MIT
A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.
Open Source Alternative to:
Desktop AI agent with persistent memory across platforms
Stars
254,241Last commit
5 hours agoLicense
MIT
Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.
Open Source Alternative to:
One interface for every AI model you run or connect
Stars
155,861Last commit
13 hours agoLicense
BSD-3-Clause
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Open Source Alternative to:
Let AI agents control any browser, at scale
Stars
118,148Last commit
7 hours agoLicense
MIT
Python library that lets AI agents browse the web by giving them real browser control, DOM access, and the ability to interact with any website.
Open Source Alternative to:
Manage, build, and run AI agent teams around the clock
Stars
83,266Last commit
5 hours agoLicense
Unknown
A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant oversight.
Open Source Alternative to:
Chat with your documents using any LLM, fully private
Stars
67,180Last commit
6 hours agoLicense
MIT
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Open Source Alternative to:
Self-hosted AI agent for chat, automation, and workflows
Stars
49,079Last commit
5 hours agoLicense
MIT
Lightweight, self-hosted AI agent that runs in a web UI, terminal, or chat app, handling long-running workflows with controlled token budgets.
Open Source Alternative to:
Multi-model AI desktop client with local-first privacy
Stars
52,673Last commit
5 hours agoLicense
AGPL-3.0
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.
Open Source Alternative to:
One interface for all your AI models and conversations
Stars
45,785Last commit
14 hours agoLicense
MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Open Source Alternative to:
Personal AI agent for messaging apps, containerized
Stars
30,955Last commit
20 hours agoLicense
MIT
Self-hosted AI agent that connects to WhatsApp, Telegram, Slack, and a dozen more messaging apps, running each agent in an isolated Docker container with credential injection via a secure vault.
Open Source Alternative to:
AI-powered research notebook with full privacy control
Stars
40,237Last commit
3 days agoLicense
MIT
Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.
Open Source Alternative to:
Run AI models locally or connect to cloud, privately
Stars
44,963Last commit
7 hours agoLicense
Apache-2.0
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
Open Source Alternative to:
Self-hosted AI agent with 70+ providers and 30+ channels
Stars
32,984Last commit
5 hours agoLicense
Apache-2.0
A single Rust binary that runs a personal AI agent on your own hardware, connecting to 70+ LLM providers and 30+ messaging channels with built-in sandboxing and cryptographic tool receipts.
Open Source Alternative to:
Build AI copilots for your product in hours, not months
Stars
38,052Last commit
5 hours agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Unified AI-powered enterprise search across company data
Stars
32,507Last commit
7 hours agoLicense
MIT
An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information
Open Source Alternative to:
Local AI meeting transcription with zero data leaving your device
Stars
31,788Last commit
1 month agoLicense
MIT
Records, transcribes, and summarizes meetings entirely on your device using local AI. No bots, no cloud uploads, GDPR and HIPAA compliant by design.
Open Source Alternative to:
Fast, AI-native web browser built for automation and scraping
Stars
36,568Last commit
5 hours agoLicense
AGPL-3.0
Purpose-built headless browser that delivers 10x faster performance and 10x lower memory usage compared to Chrome headless for web automation and AI workflows.
Open Source Alternative to:
Build powerful AI knowledge bases with ease
Stars
29,839Last commit
5 hours agoLicense
Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
37,698Last commit
3 months agoLicense
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Open Source Alternative to:
AI assistant that enhances enterprise knowledge management
Stars
22,985Last commit
5 hours agoLicense
GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Open Source Alternative to:
Automate any website workflow with AI and computer vision
Stars
23,216Last commit
5 hours agoLicense
AGPL-3.0
Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.
Open Source Alternative to:
24/7 screen and audio recorder with AI memory search
Stars
21,955Last commit
10 hours agoLicense
Other
Records your screen and microphone locally, transcribes meetings automatically, and exposes selected work context to compatible AI assistants through its MCP server and local API.
Open Source Alternative to:
Chromium browser built for sharing with AI agents
Stars
17,473Last commit
6 hours agoLicense
MIT
A Chromium-based browser that lets AI agents like Claude Code and Codex run web automation using your real logged-in sessions, without interrupting your browsing.
Open Source Alternative to:
Desktop multi-agent workforce for automating real tasks
Stars
15,567Last commit
12 hours agoLicense
Apache-2.0
Self-hostable desktop app that runs a coordinated team of AI agents to browse the web, manage files, execute terminal commands, and complete complex workflows.
Open Source Alternative to:
Privacy-first knowledge base with any AI model you choose
Stars
16,444Last commit
7 hours agoLicense
Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.
Open Source Alternative to:
AI agent runtime with encrypted enclaves for your secrets
Stars
12,659Last commit
3 days agoLicense
Apache-2.0
Runs AI agents inside Trusted Execution Environments on NEAR AI Cloud, keeping credentials encrypted and invisible to the model at all times.
Open Source Alternative to:
Your open-source personal assistant for server automation
Stars
17,580Last commit
4 days agoLicense
MIT
Leon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization.
Open Source Alternative to:
AI email assistant that automates, organizes, and declutters
Stars
12,550Last commit
6 hours agoLicense
AGPL-3.0
Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.
Open Source Alternative to:
Create powerful chatbots without coding
Stars
10,546Last commit
20 hours agoLicense
Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.
Open Source Alternative to:
Minimalistic AI-powered search engine for instant answers
Stars
11,899Last commit
2 months agoLicense
AGPL-3.0
Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.
Open Source Alternative to:
AI-powered answer engine with dynamic interface generation
Stars
9,173Last commit
2 days agoLicense
Apache-2.0
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
Open Source Alternative to:
Full-text & vector search at the edge.
Stars
10,577Last commit
8 days agoLicense
Unknown
Blend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search volume.
Open Source Alternative to:
Cloud browser sessions for AI agents and web automation
Stars
7,819Last commit
3 days agoLicense
Apache-2.0
Open-source browser infrastructure that lets AI agents and automation scripts control cloud browser fleets via a simple API, with built-in CAPTCHA solving and proxy management.
Open Source Alternative to:
Self-hosted enterprise agent platform with real permissions
Stars
6,533Last commit
15 hours agoLicense
MIT
Deploy AI agents inside your own infrastructure with document-grounded answers, computer use, and support for any AG-UI-compatible agent framework.
Open Source Alternative to:
A team of AI agents in a chat app, on your own machine
Stars
4,968Last commit
5 hours agoLicense
Apache-2.0
Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.
Open Source Alternative to:
Self-hosted AI agents that do real work on your machine
Stars
4,228Last commit
6 hours agoLicense
Apache-2.0
Run persistent AI bots that sign into your tools, complete tasks autonomously, and ask for approval when needed. Your keys, your model, your infrastructure.
Open Source Alternative to:
Smart desktop AI assistant with powerful local knowledge features
Stars
5,370Last commit
1 month agoLicense
Unknown
Cross-platform desktop AI assistant supporting multiple providers, local knowledge base, and custom prompts. Integrates MCP protocol for enhanced AI tool capabilities.
Open Source Alternative to:
Enterprise workplace AI with data you own and control
Stars
3,837Last commit
5 hours agoLicense
Apache-2.0
Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.
Open Source Alternative to:
Get instant answers from your company knowledge
Stars
3,048Last commit
20 days agoLicense
Apache-2.0
AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
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Windshift