perplexity-alternative

Open-source deep research MCP. Qwen3-30B-A3B-Thinking via OpenRouter, cited web synthesis for Claude Code, Codex, Cursor, Hermes and any MCP-compatible agent.

Open-source deep research for AI agents: 40 channels, 10+ Chinese sources.

Private meta-search and answer engine in Rust: 17 engines, consensus ranking, full-page reading, and cited AI answers with any LLM. One binary, runs on your machine.

Open Source Deep Research and Learning Agent (Perplexity Pro Alternative). Orchestrates autonomous researchers using LangGraph, Python, and Next.js for students, developers, and lifelong learners.

Caesar — autonomous AI research agent with graph-based deep web exploration and adversarial answer synthesis. Open-source alternative to ChatGPT Deep Research, Perplexity, and Gemini Deep Research.

On-Premise AI Powered Research Assistant Right In Your Terminal

Free AI Web Search & Grounding for VS Code. Open-source Perplexity alternative powered by Gemini, Google Search, and Deep Page Analysis (MCP Server).

The private alternative to Perplexity. Native iOS 26 / macOS 26 answer engine — searches the web via SearXNG, generates answers on-device with Apple Intelligence. Zero tracking. Zero cloud AI. Zero dependencies.

Open research agent with multi-provider routing, live tool use, and full citations. Ask a question → the agent searches, reads sources, reasons, and returns a cited answer in real time.

Self-hosted deep research engine — multi-agent AI pipeline with 6 LLM providers (incl. local Ollama), 5 search backends, real-time streaming, and a visual pipeline editor. Zero API keys required to start

Faithful web research for Claude Code — a folder of clean, cited markdown, not a black-box answer. Aggregation, not synthesis.

Self-hostable AI search engine over the open web and your own files — BYOK, no walled garden.

Zuni is an open-source AI-powered command-line assistant that brings web search and AI answers directly to your terminal. It is designed as a simple, fast, and developer-friendly alternative to switching between a browser and the terminal for quick research, explanations, and everyday questions.

Token-efficient ingestion middleware & concept-diff engine for Deep Research AI agents. Cuts token bloat by 85% with zero quality loss. ⚡

Local-first desktop app that turns a question into sourced results: tables of entities, images, relevant links, or a researched answer you can follow up on. Searches the web, reads pages and extracts data with LLMs via OpenRouter, Ollama or any OpenAI-compatible server. Built with Tauri Rust Svelte

Local research agent — one command, a cited answer with its trust signals: source-authority mix, lexical citation verification, confidence, cost. CLI + MCP server. Runs on your own LLM router; nightly public report card. Zero hosted dependencies.

Open-source AI workspace - your own API keys, 144 providers, web search with citations, and an agent that runs code and builds real files on your machine. Local-first, E2E-encrypted sync. Web, PWA & Android.

AI research engine that searches YouTube, academic papers, and podcasts — scores every source for substance, credibility, and transcript depth. Builds a compounding knowledge graph. Creates queryable NotebookLM notebooks. MCP server for Claude Code. Free alternative to Perplexity Pro and Elicit.

MIAPI — Web-grounded AI answers API

Fast, evidence-first open-source research search with SearXNG, LLM Judge, Crawl4AI, and citation streaming.