Browse free open source C Search Engines and projects below. Use the toggles on the left to filter open source C Search Engines by OS, license, language, programming language, and project status.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • 1
    Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.
    Leader badge
    Downloads: 149 This Week
    Last Update:
    See Project
  • 2
    Greenstone

    Greenstone

    Digital Library Software

    Greenstone is a complete digital library creation, management and distribution package created and distributed by the New Zealand Digital Library Project. There are two major versions of the software. Greenstone 3 is under active development, and is recommended for download. We also provide maintenance releases for its forerunner, Greenstone 2. Featured download not what you're looking for? Click "Browse all files" to access binaries and source releases of both versions.
    Leader badge
    Downloads: 564 This Week
    Last Update:
    See Project
  • 3
    The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.
    Downloads: 114 This Week
    Last Update:
    See Project
  • 4
    ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.
    Downloads: 7 This Week
    Last Update:
    See Project
  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • 5
    A threaded C application that searches torrent trackers/indexers for .torrent files and sorts the results according to user defined criteria. Uses glib2.0 and libcurl4
    Downloads: 13 This Week
    Last Update:
    See Project
  • 6
    A C Implementation of an OAI-PMH Static Repository Gateway.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 7
    The ht://Dig system is a complete indexing and searching system for a domain or intranet. This system is not meant to replace the need for powerful internet-wide search systems like Lycos, Infoseek, Google and AltaVista.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 8
    The BeeGram library is a portable open source search engine toolkit written in C. BeeGram provides a number of building blocks for the construction of powerful general-purpose text-based search tools.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 9
    Hyper Estraier is a full-text search system. It works as with Google, but based on peer-to-peer architecture. Using Hyper Estraier, we can construct a large-scaled search engine with cheap computers.
    Leader badge
    Downloads: 8 This Week
    Last Update:
    See Project
  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
    Try it free
  • 10
    "girtools" is an implementation of Grid Information Retrieval (GIR). GIR is an emerging open standard for IR on the grid designed to allow dynamic, secure creation and searching of distributed information systems.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 11
    BLySP is in development as a mean to research and test new and improved P2P protocols. BLySP will, in a near future, make use of BestLyrics to collect the necessary resources (i.e. computers) to accomplish the difficult task of testing and tuning protoco
    Downloads: 3 This Week
    Last Update:
    See Project
  • 12
    Net Ferret is a tool to help you get quicker results when searching the internet. It runs as an applet in the GNOME toolbar. Net Ferret currently features 23 different search engines, and includes a one-touch button for updating the list via the web.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 13
    Methanol is a scriptable multi-purpose web crawling system with an extensible configuration system and speed-optimized architectural design. Methabot is the web crawler of Methanol.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    OpenFTS (Open Source Full Text Search engine) is an advanced PostgreSQL-based search engine that provides online indexing of data and relevance ranking for database searching. Close integration with database allows use of metadata to restrict search re
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    AIS - Associative Indexing Service, an application for storing bookmarks, memos, indexing of big (lifetime) archives for fast future access to the data by (personalized) keywords. In other words - it is an extension of human associative memory :)
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    FileStructureToHTML literally creates an .html file for mp3´s, videos and more of your selected drive or a specific directory. The files can be organized in a tree, listing or in a table. Gain a whole new way of viewing your file list.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Fleming File Sharing System is a networked file sharing system. It should be much more reliable and user-friendly than FTP or netbios's stuff.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    J-DAWN project is a Job-Directed Automated Web Navigator. It can retrieve network tasks, and schedule and execute them. Part of its power lies in the ability to define tasks using a graphical programming language based on an underlying XML foundation.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Mobilemaps is a Nearby Engine which allows users to find Web pages by location. Extremely fast and capable of scaling to any number of pages, it supports OpenGIS map-servers and uses MySQL, Perl and C.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    My Community Portal is a all in one internet portal that offers, forum, groups, chat, your own e-mail, search engine, internet directory, your own home page, poll's, dating services, buddy list, MP3 and file sharing, and many more.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    wig is a simple web image grabber. Wig uses wget to download an image from the web and display it on your desktop; updating the image every X seconds. Written using C and GTK+. Have fun wiggin' out :)
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    3store is an RDF "triple store", written in C and backed by MySQL and Berkeley DB. It is an optimisation and port of an older triple store (WebKBC). It provides access to the RDF data via RDQL or SPARQL over HTTP, on the command line or via a C API.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    "Swish-e is a fast, flexible, and free open source system for indexing collections of Web pages or other files" (http://swish-e.org/ ) This module provides a Python API for this software.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    ALTSE is an alternative search engine technology. It can index up to a couple million Web pages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Amberfish has moved to: https://gitlab.com/amberfish/amberfish
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next
Auth0 Logo