Perplexity

Sure, Perplexity Perplexity is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: OpenWebUI  Open WebUI , LobeHub  LobeChat ,  AnythingLLM ,  LiteLLM ,  Khoj ,  Perplexica , Devs  𝐃𝐄𝐕𝐒 .

  1. So is OpenWebUI Open WebUI

    Un'interfaccia intuitiva per la chat con l'IA

    ★ 125.2K LLM AI RAG Chatbot License: MIT

    Una WebUI self-hosted estensibile, ricca di funzionalità e facile da usare, progettata per funzionare completamente offline. Supporta vari runner LLM, inclusi Ollama e API compatibili con OpenAI.

    Open WebUI Demo

  2. So is LobeHub LobeChat

    Framework di chat AI open-source dal design moderno

    ★ 72.7K LLM AI RAG Chatbot License: Apache-2.0 (with a twist)

    Un'interfaccia utente/framework open-source con design moderno per ChatGPT/LLM che supporta sintesi vocale, multi-modalità e un sistema di plugin estensibile (chiamate di funzione).

  3. So is AnythingLLM

    L'app di intelligenza artificiale tutto-in-uno che stavi cercando

    ★ 55.1K LLM AI RAG Chatbot License: MIT

    Trasforma qualsiasi documento, risorsa o contenuto in un contesto che qualsiasi LLM può utilizzare come riferimento durante la chat.

    Chatting

  4. So is LiteLLM

    Server Proxy per chiamare più di 100 LLM nel formato OpenAI

    ★ 37.2K AI LLM License: MIT

    Chiama tutte le API LLM usando il formato OpenAI [Bedrock, Huggingface, VertexAI, TogetherAI, Azure, OpenAI, Groq ecc.]

    preview

  5. So is Khoj

    Your AI second brain

    ★ 32.6K LLM AI RAG Chatbot License: AGPL-3.0

    Khoj is a personal AI app to extend your capabilities. It smoothly scales up from an on-device personal AI to a cloud-scale enterprise AI.

    preview

  6. So is Perplexica

    Motore di ricerca basato sull'intelligenza artificiale

    ★ 29.1K LLM AI Chatbot License: MIT

    Perplexica è uno strumento di ricerca open-source basato sull'IA o un motore di ricerca potenziato dall'IA che esplora in profondità internet per trovare risposte. Ispirato da Perplexity AI, è un'opzione open-source che non si limita a cercare nel web ma comprende le tue domande. Utilizza algoritmi avanzati di machine learning come la ricerca per similitudine e gli embedding per raffinare i risultati e fornisce risposte chiare con citazione delle fonti.

    preview

  7. So is Devs 𝐃𝐄𝐕𝐒

    Delegate complex tasks to a swarm of AI agents

    ★ 5 LLM AI RAG Chatbot License: MIT

    𝐃𝐄𝐕𝐒 is an open-source, browser-native platform that enables users to delegate complex tasks to a swarm of AI agents.

    preview

    Features

    Artificial Intelligence

    • 🤖 LLM provider independence: BYOK support for OpenAI, Anthropic, Google Gemini, Mistral, OpenRouter, Mistral AI, Hugging Face, Ollama, LM Studio and more.
    • 🧠 Local AI models: Run HuggingFace open models directly in your browser.
    • 💰 Traces & Cost tracking: LLM observability with real-time cost tracking and performance metrics.

    Swarm Intelligence

    • 🤖 AI Studio: Pre-built agents, custom agent builder.
    • 📝 Methodologies: 8D, A3, Agile, AOSTC, DMAIC, PDCA, Scrum, YOLO, and your own.
    • 🧠 Agent Memory: Agents learn and remember information from conversations with human review.
    • 🔧 Tools: Equip agents with capabilities like Wikipedia search, arXiv search, calculator or code tools.
    • 🎯 Intelligent orchestration: Automated multi-agent task coordination with validation.
    • 🎭 Hyper meta-prompting: Multi-layered prompt generation for dynamic task handling.
    • 👥 Dynamic team formation: Mimicking human organizational structures.

    Integrations

    • 🔗 Connectors: Integrations with Google Drive, Gmail, Calendar, Dropbox, Notion, Slack, Figma and more.
    • 🏪 Marketplace: Extensible platform with apps, agents, connectors, and tools.
    • 🎤 Meeting Bot: AI agents join Google Meet as real participants.

    Privacy

    • 🌐 Browser-native: The browser is the OS. Runs entirely in your browser, no server dependencies.
    • 🛡️ Privacy-first: All data stays on your device, no tracking, no cookies.
    • 🥷 Offline capable: Works without Internet connection after initial load.
    • 💾 Local Backup: Preserve your data with bidirectional sync to a local folder on your host, with human-readable Markdown files.

    User Experience

    • 📱 Mobile-first design: Optimized for touch and small screens.
    • 🌐 Multi-language support: Accessibility for global users.
    • 🔍 Global Search: Unified search across agents, conversations, tasks, and files.
    • 💄 Customizable: Tailor the platform to your specific needs.

    Collaboration

    • 🌐 Universal access: Web-based platform accessible from anywhere: https://devs.new
    • 🔄 P2P Sync: Cross-device synchronization with CRDT-based conflict resolution.
    • 🤝 Team collaboration: Peer-to-peer networking and sharing.
    • 📱 QR Code support: Easily share and access your platform configuration.