KNIME Analytics Platform is free and open source data analytics software with a visual workflow builder for creating data science solutions. The page lists access, blending and transformation of data from any source, visualization and analysis, and saving, sharing and reuse of workflows. It also describes integrating scripting in Python, R and JavaScript and deploying solutions in the enterprise.
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Knowledge Repo is a next-generation curated knowledge sharing platform designed for data scientists and other technical professionals. It is maintained as a public open source repository on GitHub under the Airbnb organization.
Koalas, from Databricks, implements the pandas DataFrame API on top of Apache Spark. The repository is marked deprecated and in maintenance mode; Koalas supports Apache Spark 3.1 and below, and PySpark is recommended directly for Spark 3.2 and above. It is available under the Apache-2.0 license.
Komga is a tool for organizing, reading and managing CBZ, CBR, PDF and EPUB files across libraries, collections and reading lists. It offers an integrated webreader plus support for the Mihon extension and OPDS readers, and allows editing metadata for series and books.
Komorebi is a tiling window manager for Windows that works as an extension to Microsoft's Desktop Window Manager in Windows 10 and above. It lets users control application windows, virtual workspaces and display monitors with a CLI, which can be used with third-party software such as whkd and AutoHotKey to set user-defined keyboard shortcuts. By default it aims to make as few modifications as possible to the operating system and desktop environment.
KONECT is the Koblenz Network Collection, a network science project that collects network datasets, analyses them, and publishes the analyses online. It holds 1,326 network datasets in 24 categories, with computed graph statistics and generated plots. Its source code, including an Octave network analysis toolbox and an extraction library, is available as free software under GPL version 3.
OLE presents FOLIO, an open and extensible library services platform developed through a collaboration between OLE, EBSCO Information Services, and Index Data. The project works on traditional library management features such as circulation, acquisitions, and e-resource management, with the aim of letting libraries replace their integrated library system. The Open Library Foundation serves as its administrative home.
Kutt is a free, open source modern URL shortener. It supports custom domains, link management, usage statistics, an API for programmatic access, and offers browser extensions for Chrome and Firefox, with options to self-host the service.
Kyso was a universal aggregator for all research formats that ceased operation on September 31, 2023, and is now maintained as an open source project. It launched in 2018 to help the data science community share insights and address collaboration challenges across varied workflows and tools, with an initial focus on Jupyter Notebooks. During its operation, it served thousands of users and hundreds of organizations.
L2MAC is an open-source framework described as a Large Language Model Automatic Computer. It uses a prompt-program with instruction steps executed by agents that read and write to persistent memory, intended for generating extensive outputs such as large codebases. It is released under the MIT license.
lakeFS is a source-available data version control tool that turns object storage into a Git-like repository, allowing data lakes to be managed like code. It supports AWS S3, Azure Blob Storage and Google Cloud Storage, is API compatible with S3, and works with frameworks such as Spark, Hive, AWS Athena, DuckDB and Presto.
Modern columnar data format for ML implemented in Rust.
LangKit is an open-source toolkit for monitoring large language models (LLMs). It extracts signals from LLM prompts and responses, and offers features such as text quality assessment, relevance metrics, and sentiment analysis to support LLM observability.
Launch Chat is an Android app for starting chats with any phone number on WhatsApp, Signal and Telegram without saving the number or sharing contacts. It can open a chat from a phone number clicked in another app and extract numbers from shared text.
Lazarus is an open-source cross-platform IDE for Rapid Application Development powered by Free Pascal. It is Delphi compatible and includes a drag-and-drop form designer and over 200 components, and can convert from Delphi code. It is extendable through packages and has a package manager with an online repository. Documentation and tutorials are available through a wiki, forums and books.
LDA is a JavaScript library for node.js that performs Latent Dirichlet allocation topic modeling, extracting topics and related keywords from a collection of documents. It returns an array of topics, each with an array of terms and probabilities, and uses English stop-words by default.
An R package that creates interactive Leaflet maps using the Leaflet JavaScript library and htmlwidgets. Maps can be used from the R console, RStudio, Shiny applications and R Markdown documents. It is linked to the open-source Leaflet JavaScript library for interactive maps.
A guide that introduces data processing and cleaning in JavaScript, teaching how to load, modify and transform data using JavaScript libraries. It covers tasks geared around preparing data for further analysis and visualization, demonstrated with core JavaScript API, d3.js and lodash. It assumes some basic knowledge of JavaScript.
Analyzes structured data and helps produce queries, insights or visualizations.
LessPass helps store, manage, or extend password vaults and secure login workflows.
Levity is a platform for building and scaling AI automations for logistics workflows. It offers tools for analyzing email data, building automations, integrating with everyday tools, and scaling through visibility and human oversight. It is described as Communication Intelligence for the global supply chain.
LG TV Homebrew is a guide for installing updatable third-party apps on LG TVs running webOS 2015 or later using webOS Dev Manager and Developer Mode auto-renewal. It states that rooting is not needed and lists extra apps such as ad-free YouTube, Twitch, Kodi and Nuvio. It notes Developer Mode expires after 42 days.
Libre.fm is a music service that lets users keep track of their music listening habits. Music player apps and a browser extension report song title, artist and album to Libre.fm, a process called scrobbling, and the data appears on the user's profile and the community page. The project is open source and was founded in 2009.
Browser extension that redirects popular sites to privacy-friendly alternative frontends.