Internet Archive helps download, archive, convert, or manage audio and music files from supported sources.
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Free, no-login IP reputation lookup that aggregates up to 8 risk sources, flags residential vs datacenter, and profiles /24 C-block neighbors. Also of
Decentralized search engine focused on indexing content from IPFS and web3 sources.
IUS The Horizon Search and Report helps search public records, court data, genealogy sources, property information, or archived records.
Crowd-sourced digital humanities project to create a union list of all Arabic periodicals published before 1929.
Open source video conferencing platform for browser-based meetings and self-hosted calls.
Helps find, analyze or synthesize information for research and knowledge discovery.
Kagi News collects or organizes headlines and links for browsing news from multiple sources.
Katrina Spending Search helps search public records, court data, genealogy sources, property information, or archived records.
Keenious recommends relevant academic literature based on the text you are working on. Works in Microsoft Word, Google Docs, and the browser.
Kenneth R. Rosen instructions for submitting documents securely through its verified SecureDrop service.
KHI-DL helps download, archive, convert, or manage audio and music files from supported sources.
Khinsider helps download, archive, convert, or manage audio and music files from supported sources.
Build better AI systems with evals, RAG, agents, synthetic data, fine-tuning, and prompt optimization. Free app + open-source library.
Kiosko collects or organizes headlines and links for browsing news from multiple sources.
Knowledge Base is a non-English technical, learning, or open source resource for regional audiences.
Open source integrated library system (ILS).
Open-source, client-side encrypted safe boxes inside Koofr cloud storage, with web, mobile, and rclone access.
KPFire provides software and source code for accessing and playing streamed media.
KPopMusicDownload helps download, archive, convert, or manage audio and music files from supported sources.
Open source URL shortener with custom domains, analytics, and self-hosting support.
L2BEAT Publications is a crypto media or research source for news, analysis, and blockchain market updates.
Search the web and indexed online sources through a focused search interface.
Open-source project that catalogs AI services and resources for browsing by feature or use case.