Showing 890 open source projects for "search"

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  • 1
    OpenViking

    OpenViking

    Context database designed specifically for AI Agents

    ...It’s primarily designed to serve as a high-performance, scalable backend for storing app context, embeddings, conversational histories, and other textual artifacts that need rapid lookup and semantic search, which makes it especially useful for systems like chatbots or memory-augmented agents. The project is implemented with performance in mind, often leveraging optimized data structures that balance fast reads and writes with minimal resource consumption. Developers can integrate OpenViking into modern AI stacks to unify context storage across services, enabling consistent session history, personalized responses, and richer search experiences.
    Downloads: 5 This Week
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  • 2
    LEANN

    LEANN

    Local RAG engine for private multimodal knowledge search on devices

    LEANN is an open source system designed to enable retrieval-augmented generation (RAG) and semantic search across personal data while running entirely on local devices. It focuses on dramatically reducing the storage overhead typically required for vector search and embedding indexes, enabling efficient large-scale knowledge retrieval on consumer hardware. LEANN introduces a storage-efficient approximate nearest neighbor index combined with on-the-fly embedding recomputation to avoid storing large embedding vectors. ...
    Downloads: 0 This Week
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  • 3
    VOID-TOOLS

    VOID-TOOLS

    OSINT, Discord, web & network utilities

    ...It is built around a Rich-powered terminal dashboard with keyboard navigation, a cinematic boot flow, category panels, and a live sidebar. The tool organizes many modules into categories and marks premium tools separately from free ones. It includes bilingual setup, theme selection, fuzzy search, category filters, custom plugin loading, and remote manifest updates. The project describes itself as educational and authorized-use-only, especially because some modules relate to security, network checks, webhooks, and platform administration. It is best understood as a modular terminal dashboard for research and utility tasks rather than a single-purpose application.
    Downloads: 22 This Week
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  • 4
    Harness-1

    Harness-1

    Ultra Recipe for Training Long-Horizon Search Agents

    Harness-1 is a 20B search agent trained with reinforcement learning inside a stateful retrieval harness. It is designed for long-horizon search tasks where the model must search, inspect documents, curate evidence, verify claims, and decide when enough evidence has been gathered. The harness externalizes search state, including candidate documents, evidence links, verification records, and budget-aware context.
    Downloads: 0 This Week
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  • 5
    clip-retrieval

    clip-retrieval

    Easily compute clip embeddings and build a clip retrieval system

    clip-retrieval is an open-source toolkit designed to build large-scale semantic search systems for images and text by leveraging CLIP embeddings to enable multimodal retrieval. It allows developers to compute embeddings for both images and text efficiently and then index them for fast similarity search across massive datasets. The system is optimized for performance and scalability, capable of processing tens or even hundreds of millions of embeddings using GPU acceleration. ...
    Downloads: 0 This Week
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  • 6
    pgai

    pgai

    A suite of tools to develop RAG, semantic search, and other AI apps

    pgai is a suite of PostgreSQL extensions developed by Timescale to empower developers in building AI applications directly within their databases. It integrates tools for vector storage, advanced indexing, and AI model interactions, facilitating the development of applications like semantic search and Retrieval-Augmented Generation (RAG) without leaving the SQL environment.
    Downloads: 0 This Week
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  • 7
    Semantra

    Semantra

    Multi-tool for semantic search

    Semantra is an open-source semantic search tool designed to help users explore large collections of documents by meaning rather than simple keyword matching. The software analyzes text and PDF documents stored locally and creates embeddings that allow queries to retrieve results based on conceptual similarity. It is primarily intended for individuals who need to extract insights from large document collections, including researchers, journalists, students, and historians.
    Downloads: 2 This Week
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  • 8
    Open Notebook

    Open Notebook

    An Open Source implementation of Notebook LM with more flexibility

    ...Open Notebook enables users to organize and analyze multi-modal content such as PDFs, videos, audio files, web pages, and Office documents. It combines full-text and vector search with context-aware AI chat to deliver insights grounded in your own research materials. With advanced features like multi-speaker podcast generation, customizable content transformations, and a comprehensive REST API, Open Notebook provides a powerful and extensible research environment.
    Downloads: 29 This Week
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  • 9
    Nicotine+

    Nicotine+

    Graphical client for the Soulseek peer-to-peer network

    ...Built in Python with a Qt-based GUI, Nicotine+ offers a lightweight yet feature-rich experience for users looking to share and discover files in a decentralized, user-governed environment. It includes search capabilities, bandwidth throttling, chat rooms, and user-to-user messaging, supporting a vibrant community of digital collectors and music lovers.
    Downloads: 21 This Week
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  • 10
    SeaGOAT

    SeaGOAT

    local-first semantic code search engine

    SeaGOAT is an open-source semantic code search engine designed to help developers explore and understand large codebases more efficiently. Instead of relying solely on traditional keyword search, it uses vector embeddings to represent the meaning of code and queries, allowing users to perform semantic searches that find relevant code even when the exact keywords are not present.
    Downloads: 0 This Week
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  • 11
    PaSa

    PaSa

    An advanced paper search agent powered by large language models

    ...Given a complex scholarly question (for example, “Which works focus on non-stationary reinforcement learning with UCB-based value methods?”), PaSa decomposes the task: the Crawler generates search queries, retrieves candidate papers (via search tools and citation expansion), then adds them to a “paper queue.” The Selector then reads abstracts or full text (depending on what’s available) and decides which papers are relevant.
    Downloads: 0 This Week
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  • 12
    LibrePhotos

    LibrePhotos

    A self-hosted open source photo management service

    LibrePhotos is an open-source self-hosted photo management platform designed to organize, browse, and analyze personal media libraries while preserving user privacy. The system allows individuals to store and manage their photos and videos locally rather than relying on commercial cloud services. It provides features similar to services like Google Photos but runs on a private server controlled by the user. The application includes AI-powered tools that automatically analyze images to detect...
    Downloads: 11 This Week
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  • 13
    Haystack

    Haystack

    Haystack is an open source NLP framework to interact with your data

    Apply the latest NLP technology to your own data with the use of Haystack's pipeline architecture. Implement production-ready semantic search, question answering, summarization and document ranking for a wide range of NLP applications. Evaluate components and fine-tune models. Ask questions in natural language and find granular answers in your documents using the latest QA models with the help of Haystack pipelines. Perform semantic search and retrieve ranked documents according to meaning, not just keywords! ...
    Downloads: 0 This Week
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  • 14
    PaperAI

    PaperAI

    Semantic search and workflows for medical/scientific papers

    PaperAI is an open-source framework for searching and analyzing scientific papers, particularly useful for researchers looking to extract insights from large-scale document collections.
    Downloads: 0 This Week
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  • 15
    geowifi

    geowifi

    OSINT tool for locating WiFi networks using BSSID or SSID data

    geowifi is an open source OSINT tool designed to search and retrieve geolocation information about WiFi networks using their BSSID or SSID identifiers. It queries several public WiFi geolocation databases and aggregates the results to help identify the approximate location of a wireless access point. By combining multiple data sources such as Wigle, Apple, Google, WifiDB, Mylnikov, and Combain, the tool can provide location data that may include coordinates and additional network metadata. ...
    Downloads: 29 This Week
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  • 16
    RAG API

    RAG API

    ID-based RAG FastAPI: Integration with Langchain and PostgreSQL

    rag_api is an open-source REST API for building Retrieval-Augmented Generation (RAG) systems using LLMs like GPT. It lets users index documents, search semantically, and retrieve relevant content for use in generative AI workflows. Designed for rapid prototyping, it is ideal for chatbot development, document assistants, and knowledge-based LLM apps.
    Downloads: 0 This Week
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  • 17
    Maigret

    Maigret

    Collect a dossier on a person by username from thousands of sites

    Maigret is an open-source OSINT tool designed to collect a dossier on a person by username from thousands of sites. It automates the process of checking for a user's presence across various platforms, aiding in digital investigations.​
    Downloads: 45 This Week
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  • 18
    OWASP Maryam

    OWASP Maryam

    Modular OSINT framework for automated open-source intelligence gatheri

    ...Maryam organizes its functionality into several modules that focus on different aspects of intelligence gathering, including footprint analysis, OSINT data extraction, and general search operations.
    Downloads: 1 This Week
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  • 19
    Mctx

    Mctx

    Monte Carlo tree search in JAX

    mctx is a Monte Carlo Tree Search (MCTS) library developed by Google DeepMind for reinforcement learning research. It enables efficient and flexible implementation of MCTS algorithms, including those used in AlphaZero and MuZero.
    Downloads: 0 This Week
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  • 20
    spotDL

    spotDL

    Download your Spotify playlists and songs along with album art

    ...The tool retrieves important information such as album art, song titles, artist names, and lyrics to organize downloaded files. spotDL is designed to be fast, accurate, and easy to use through a simple command-line interface. It supports downloading individual songs, albums, or entire playlists by providing Spotify URLs or search queries. By combining Spotify metadata with YouTube audio sources, spotDL provides a convenient way to build a local music library.
    Downloads: 175 This Week
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  • 21
    VikingDB MCP Server

    VikingDB MCP Server

    A mcp server for vikingdb store and search

    An MCP server that interfaces with VikingDB, a high-performance vector database developed by ByteDance, enabling efficient vector storage and search capabilities. ​
    Downloads: 0 This Week
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  • 22
    Ulauncher

    Ulauncher

    Feature rich application Launcher for Linux

    ...But if you need something different you can always create a custom color theme. Improve your workflow with customizable shortcuts and extensions. Create a shortcut for web search or your scripts or install a 3rd party extension.
    Downloads: 6 This Week
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  • 23
    Memory OS

    Memory OS

    A 7-layer memory operating system for Hermes Agent

    ...It is designed to help an AI agent retain project context, decisions, structured facts, reasoning patterns, and prior conversations across sessions. The system uses seven memory layers that combine flat files, SQLite, full-text search, structured facts, semantic recall, Qdrant vector storage, and a self-curating wiki pipeline. It injects only relevant context back into the agent so memory remains useful without wasting tokens. The project is provider-agnostic and can work with services such as OpenRouter, OpenAI, Anthropic, Ollama, or local models. It is useful for power users who want a self-hosted, long-term memory layer for AI coding and research workflows.
    Downloads: 3 This Week
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  • 24
    Vedana

    Vedana

    Open source multi-agent RAG over a knowledge graph

    ...It is designed for questions that require structure, completeness, and traceability instead of simple text similarity. The system lets agents navigate data step by step through Cypher queries, vector search, document lookup, and source verification. Its architecture combines a knowledge graph, pgvector-based embeddings, incremental ETL, and a backoffice interface for chat, metrics, prompt tuning, and data loading. It also includes JIMS, a framework for persistent conversational agents with typed events and pluggable pipelines. Overall, Vedana is useful for teams that need reliable answers from real data, especially when relationships, counts, rules, and source-backed reasoning matter.
    Downloads: 1 This Week
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  • 25
    Windrecorder

    Windrecorder

    Windrecorder is a memory search app by records everything

    Windrecorder is an open-source personal memory search engine that continuously records on-screen activity in a highly optimized and storage-efficient format. It captures screen content locally and builds a searchable database using OCR and image understanding, allowing users to rewind and rediscover anything they have previously seen. The system indexes only meaningful visual changes, extracting text, browser data, and contextual information to improve search accuracy and reduce storage overhead. ...
    Downloads: 4 This Week
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