Open-source tools for Search & data

Search engines, databases, data analysis and retrieval.

Check the supported sources, indexing requirements and export formats. Try a question whose answer you know before importing a larger dataset.

34 projects

ai-engineering-lab zorost · MIT
Zorost Intelligence AI Lab open-sourced a free, self-paced 24-week AI engineering course that takes a beginner from Python to production LLM/RAG/agent systems, with 43…
aikon emir · MIT
AIKON turns a 2007 Nokia feature phone into a working AI chat client: pick Claude, ChatGPT, Gemini or Grok per conversation, type on the keypad, and get answers with…
auto-ontology-mcp gogoymh · Apache-2.0
Share receipts, notes, papers or screenshots with your AI assistant and it extracts the facts into a searchable personal knowledge base (originals kept in your own…
builder heyputer · Apache-2.0
Describe a website or app in plain language and AI Builder turns it into a working, publishable site, batteries included (auth, storage, database, hosting) via…
claude-mem thedotmack · Apache-2.0
Gives any AI coding agent persistent memory across sessions: it captures what the agent did, compresses it with AI, and feeds the relevant parts back into future…
code-graph-rag vitali87 · MIT
code-graph-rag builds a knowledge graph of a codebase so an AI assistant can query, understand, and edit it more accurately.
digup arahim3 · MIT
A macOS menu-bar app that lets you search your entire Mac by meaning, not just filename, across photos, PDFs, recordings, videos and code, running fully on-device via a…
docflare-ai p10node · MIT
Docflare AI lets you drop one script tag into any documentation site to get an AI chatbot that answers questions with cited sources, running entirely on Cloudflares…
embedflow arnsri33 · AGPL-3.0
Lets teams switch to a better embedding model for their AI search or RAG system without taking anything offline while re-indexing.
evoontology ruc-datalab · MIT
An MCP plugin that gives coding agents a live, self-evolving map of what your tables, columns and files actually mean, so they stop re-guessing data semantics on every…
golive-skill mikehasa · MIT
Takes an app built by an AI coding agent from local to live: hosting, database, domain, email and payments, wired up on your own accounts with an approve-then-apply…
GRIDCITY chapeee · MIT
Developers, homelab users and small teams who run a few servers and databases. They can see what is unhealthy at a glance, diagnose a failed database connection with…
jev-doc-search vectifyai · Apache-2.0
A technique for finding the exact page that answers a question in a 300-page report by having an LLM make a series of small multiple-choice decisions down a document…
jevcrawl rayenmlayeh · Apache-2.0
A small MCP server/CLI that crawls websites for AI agents and returns only the passage that actually answers the question, instead of whole pages.
Jōb youssefamr74 · MIT
Jōb is useful for anyone in the middle of a job search who’s tired of tracking applications in a spreadsheet, especially people applying to a lot of roles at once. It…
kensaku yjid · MIT
A free, open-source file launcher that lets you instantly search inside documents, code, and screenshots, using OCR and semantic search, entirely on your own machine.
last30days-skill mvanhorn · MIT
Point an AI agent at any topic and it searches Reddit, X, YouTube, Hacker News and Polymarket at once, scores results by real engagement, and writes one grounded…
moli lexmount · Apache-2.0
Moli is a headless browser purpose-built for AI agents, executing real JavaScript and DOM but only rendering pixels when actually needed for speed.
oc only-cli · MIT
only-cli/oc turns any webpage into a compact, numbered text view built for AI agents to read and act on, cutting a typical page from tens of thousands of tokens down to…
okf-agent-memory okf-memory · MIT
Gives AI agents a lasting, version-controlled memory stored as plain Markdown files in your own repo, with fast local BM25 search and no vector database or embedding…
openviking volcengine · AGPL-3.0
OpenViking gives AI agents a filesystem-style long-term memory, storing memories, docs, and skills under a viking:// protocol with tiered loading, and its own published…
pageindex vectifyai · MIT
An open-source document index that lets an LLM retrieve the right passages from long documents by reasoning over structure instead of vector similarity search, skipping…
pagesift yolow92 · Apache-2.0
A fast, memory-efficient tool that turns any website or document into clean text and structured data an AI system can actually use, as an alternative to existing…
personal_external_brain chenkanglin198904 · MIT
A local-first tool that turns your notes, PDFs, web pages and audio/video into a private knowledge graph, and is designed to say I do not know rather than guess.
ragflow infiniflow · Apache-2.0
RAGFlow is an open-source RAG engine that combines retrieval with agent capabilities to give LLMs better context for answering questions over your own documents.
recalc sshah03 · Apache-2.0
A free, open-source desktop spreadsheet where any cell can hold a value, a formula, a terminal command, or its own AI coding agent, so you can run and watch several…
ruflo ruvnet · MIT
An open-source tool that lets you coordinate teams of AI agents working together on a task, with memory and native integration into Claude Code and Codex.
scientific-agent-skills k-dense-ai · MIT
A library of 177 validated AI agent skills plus 100+ scientific databases that turns any AI coding agent into a research assistant for biology, chemistry, medicine and…
semantica semantica-agi · MIT
A graph-based infrastructure layer that gives AI systems structured context and an audit trail for their reasoning.
shared-memory-vault songs-aaa · MIT
Turns a plain cloud-synced Markdown folder into a shared knowledge base every AI agent and every device can read and update consistently, with conflict handling and no…
sparky anisayari · MIT
A free, open-source private AI assistant for Windows that runs entirely offline: chat like ChatGPT, see images, generate pictures and videos with sound, search your own…
turbovec ryancodrai · MIT
A fast, compressed vector index (built on TurboQuant) for searching embeddings at scale, the kind of component that powers RAG and semantic-search systems.
univer dream-num · Apache-2.0
An open-source, all-in-one office runtime (spreadsheets, docs, slides, PDFs) designed to be the workspace AI agents actually operate inside.
xerj xerj-org · Apache-2.0
One command indexes your code, docs, logs and PDFs so AI agents can search and remember your data using far fewer tokens than grep, while staying Elasticsearch…