Showing 6978 open source projects for "columba source code"

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  • 1
    Learn Go

    Learn Go

    Master the fundamentals and advanced features of the Go language

    Learn Go is a learning-focused repository built to teach Go from first principles through more advanced language and ecosystem features. It takes a course-like approach, starting with environment setup and the “Hello world” basics, then moving into variables, types, formatting, control flow, and functions. From there, it expands into Go’s practical structure for real projects, including modules, packages, and workspaces, plus useful commands for building and working with programs. The...
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  • 2
    Menubar Electron

    Menubar Electron

    High level way to create menubar desktop applications with electron

    Menubar Electron is a lightweight JavaScript library for creating desktop applications with persistent menu bar (Mac) or system tray (Windows/Linux) icons/interfaces, allowing developers to build utility apps that live in the user’s system bar and open a small window or popup when clicked. It serves as a wrapper around frameworks like Electron or Node GUI backends, abstracting common tasks such as positioning the popup window, handling click events, and integrating native tray interactions...
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  • 3
    Nano Events

    Nano Events

    Simple and tiny (107 bytes) event emitter library for JavaScript

    Nano Events is a minimalistic, high-performance event emitter library for JavaScript. Its goal is to provide the simplest possible API to add pub/sub capabilities (emitters and listeners) to any JS object or application, while keeping overhead and bundle size extremely small. Rather than offering many complex features, nanoevents focuses on the core primitives: creating an emitter, subscribing to named events, emitting events with arbitrary data, and unsubscribing. Because of its minimal API...
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  • 4
    imgui_club

    imgui_club

    Nice things to use along dear imgui

    imgui_club is a companion collection to Dear ImGui that gathers small, officially maintained extensions and illustrative samples that don’t belong in the core library but are broadly useful. Instead of being a monolithic add-on, it focuses on targeted utilities that demonstrate patterns, widgets, and techniques the author and community rely on in real projects. You’ll find examples that show how to structure multi-context rendering, deal with threading concerns, and compose immediate-mode...
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  • 5
    Best-websites-a-programmer-should-visit

    Best-websites-a-programmer-should-visit

    Some useful websites for programmers

    Best-websites-a-programmer-should-visit is a living, community-curated directory of links that programmers consistently find useful throughout their careers. Rather than being a random bookmark dump, it organizes resources into practical categories such as algorithms, competitive programming, reading materials, podcasts, newsletters, interview prep, design, security, performance, and more. The list aims to reduce the “what should I learn next?” friction by pointing you to high-signal,...
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  • 6
    Underscore.js

    Underscore.js

    JavaScript's utility belt

    Underscore.js is a JavaScript utility-library created by Jeremy Ashkenas that provides a broad set of functions for working with arrays, objects, functions, and other data types — essentially a “utility belt” for functional programming in JS. Instead of extending built-in objects or modifying prototypes, Underscore provides its helpers in a single _ namespace, enabling cross-browser support and consistent behaviour across environments. It offers map/filter/reduce, deep-cloning, templating,...
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  • 7
    vue2-elm

    vue2-elm

    Large single page application with 45 pages built on vue2 + vuex

    vue2-elm is a hands-on Vue 2 application that recreates the core experience of the Ele.me food-delivery app to teach modern front-end architecture. It uses Vue components, routing, and state management to stitch together pages like restaurant listings, detail views, carts, and user flows. The project illustrates how to organize a medium-sized SPA, including how to split features into reusable pieces and handle asynchronous data. It places strong emphasis on responsive UI, transitions, and...
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  • 8
    cast

    cast

    safe and easy casting from one type to another in Go

    Cast is a Go library that provides easy and safe conversion (casting) between different types in Go programs. Especially when dealing with interface{} or dynamic/reflect-heavy code, it becomes cumbersome to assert types or convert values reliably; cast addresses that by offering a suite of functions to convert from any input to the target type with predictable behaviour. Rather than relying purely on raw type assertions, it offers ToInt, ToString, ToBool, ToTime, etc., and their...
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  • 9
    NanoNeuron

    NanoNeuron

    NanoNeuron is 7 simple JavaScript functions

    Nano-Neuron is a didactic project that reduces the idea of a neuron to a handful of tiny JavaScript functions so learners can see “learning” in action without heavy frameworks. It demonstrates how a scalar input can be linearly transformed with a weight and bias, then adjusted via gradient updates to fit a simple mapping such as Celsius-to-Fahrenheit conversion. The code emphasizes readability over performance, inviting you to step through calculations and watch parameters converge. Because...
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  • 10
    type-challenges

    type-challenges

    Collection of TypeScript type challenges with online judge

    type-challenges is a massive set of TypeScript type-level puzzles that turn the compiler into a playground for metaprogramming. Each challenge is a miniature kata where you implement types that transform other types—parsing strings, inferring tuples, mapping unions—without writing any runtime code. Problems are arranged from warm-ups to brain-twisters, letting developers build intuition about distributive conditional types, inference in extends, variance, and other corner cases of the type...
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  • 11
    RealWorld

    RealWorld

    Exemplary fullstack Medium.com clone powered by React, Angular, Node

    RealWorld is the “mother of all demo apps”—a full spec and starter backend/frontend that implements a Medium-like blogging platform to showcase best practices across many frameworks. Instead of trivial todo lists, it provides a realistic feature set: authentication, CRUD operations, pagination, comments, profiles, tagging, and favoriting. The same spec is realized dozens of times (React, Vue, Svelte, Angular, Solid, Next, Remix, and many more), alongside multiple server implementations, so...
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  • 12
    RE2/J

    RE2/J

    linear time regular expression matching in Java

    RE2/J is a high-performance regular expression engine implemented in pure Java as a port of Google’s C++ RE2 library. Unlike traditional regex engines such as Java’s java.util.regex, PCRE, or Perl’s implementation—which rely on backtracking and can suffer from catastrophic exponential runtimes—RE2/J guarantees linear-time matching relative to input size. It achieves this efficiency by simulating all possible matches in a single pass using a nondeterministic finite automaton (NFA), ensuring...
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  • 13
    Visual Blocks

    Visual Blocks

    Visual Blocks for ML is a Google visual programming framework

    Visual Blocks is a node-based, in-browser environment for building AI and data-processing workflows with drag-and-drop components. It lets you connect sources, transforms, models, and visualizers into a live graph, so changes propagate instantly and results are observable without writing glue code. Under the hood it leans on web-friendly runtimes (e.g., WebGPU/WebGL/WebNN or TensorFlow.js backends) to execute pipelines locally, which is great for demos, teaching, and privacy-sensitive...
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  • 14
    TensorStore

    TensorStore

    Library for reading and writing large multi-dimensional arrays

    TensorStore is a high-performance library for reading and writing N-dimensional arrays that live in many different storage systems, from local files to cloud object stores. It separates the logical view (shape, dtype, chunking) from the physical layout so the same code can target Zarr, N5, TIFF pyramids, or custom backends. Rich indexing, slicing, and broadcasting operations make it feel like a familiar array API, while asynchronous I/O pipelines stream chunks efficiently in parallel....
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  • 15
    Synthetic Data Kit

    Synthetic Data Kit

    Tool for generating high quality Synthetic datasets

    Synthetic Data Kit is a CLI-centric toolkit for generating high-quality synthetic datasets to fine-tune Llama models, with an emphasis on producing reasoning traces and QA pairs that line up with modern instruction-tuning formats. It ships an opinionated, modular workflow that covers ingesting heterogeneous sources (documents, transcripts), prompting models to create labeled examples, and exporting to fine-tuning schemas with minimal glue code. The kit’s design goal is to shorten the “data...
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  • 16
    Smallpond

    Smallpond

    A lightweight data processing framework built on DuckDB and 3FS

    smallpond is a lightweight distributed data processing framework built by DeepSeek, designed to scale DuckDB workloads over clusters using their 3FS (Fire-Flyer File System) backend. The idea is to preserve DuckDB’s fast analytics engine but lift it from single-node to multi-node settings, giving you the ability to operate on large datasets (e.g. petabyte scale) without moving to a heavyweight system like Spark. Users write Python-like code (via DataFrame APIs or SQL strings) to express...
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  • 17
    PLT (Programming Languages Theory)

    PLT (Programming Languages Theory)

    Programming Language Theory

    Curated roadmap to Programming Language Theory, collecting seminal papers, books, and resources into a navigable structure for self-study. It spans foundational topics like lambda calculus, type systems, interpreters, compilers, and formal semantics, while also pointing to contemporary areas such as effect systems, dependent types, and verification. Each section clusters materials by theme so learners can build understanding step by step instead of grazing at random. The list emphasizes...
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  • 18
    Sinatra

    Sinatra

    Classy web-development dressed in a DSL

    Sinatra is a minimalist Ruby web framework that focuses on simplicity and flexibility, letting developers define web applications in just a few lines of code. Its DSL maps routes directly to Ruby blocks, making it straightforward to build APIs, small services, and quick prototypes without the overhead of full-stack frameworks like Rails. Despite its simplicity, Sinatra supports middleware, templates, sessions, filters, and helpers, so it can grow with more complex requirements. The framework...
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  • 19
    Preact

    Preact

    Fast 3kB React alternative with the same modern API

    Preact is a lightweight alternative to React that implements the same core component and hooks model in a tiny footprint. It provides a virtual DOM, diffing, and a familiar Component/JSX API, enabling developers to reuse much of their React knowledge. With preact/compat, many React libraries can be used directly, making migration or code sharing practical in performance-sensitive apps. Its focus on size and speed makes it attractive for embedded widgets, mobile web, and scenarios where...
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  • 20
    Hugo PaperMod

    Hugo PaperMod

    A fast, clean, responsive Hugo theme

    PaperMod is a fast, minimal-yet-featureful theme for the Hugo static site generator, aimed at blogs, documentation sites, and personal pages. It focuses on clean typography, responsive layouts, and sensible defaults, while exposing a large set of front-matter and config options. Built-in features include dark/light modes, archive and taxonomy views, reading-time indicators, breadcrumbs, and an optional profile/landing layout. Client-side search, code highlighting, social links, and comment...
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  • 21
    Gitit

    Gitit

    A wiki using HAppS, pandoc, and git

    Gitit is a wiki application written in Haskell that uses Happstack for serving and Pandoc for markup conversion. Wiki content and attachments are stored in Git, Darcs, or Mercurial repositories, allowing versioning via VCS or web editing. To run gitit, you'll need git in your system path. (Or darcs or hg, if you're using darcs or mercurial to store the wiki data.) Gitit assumes that the page files (stored in the git repository) are encoded as UTF-8. Even page names may be UTF-8 if the file...
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  • 22
    Gradle Lint Plugin

    Gradle Lint Plugin

    Linter tool for identifying and reporting on patterns of misuse

    The Gradle Lint Plugin is a static analysis tool for Gradle build scripts (written in Groovy) that finds patterns of misuse, deprecated constructs, and opportunities for optimization in build configurations. It functions analogous to ESLint in the JavaScript ecosystem: you define rules, apply them across the build scripts, and get warnings or errors when code deviates from best practices. It is particularly useful for maintaining consistency across large, multi-module projects or monorepos,...
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  • 23
    Surface

    Surface

    A server-side rendering component library for Phoenix

    Surface is a component-based UI library for Phoenix LiveView that brings a declarative, template-driven approach to building interactive interfaces. Inspired by frameworks like React, it introduces components with typed properties, slots, and macros to simplify complex UIs. Developers can create reusable, encapsulated components that integrate seamlessly with LiveView’s server-rendered real-time model. Surface emphasizes readability, making templates feel closer to HTML while retaining...
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  • 24
    DynaMix

    DynaMix

    A new take on polymorphism

    DynaMix (Dynamic Mixins) is an alternative take on object-oriented programming and dynamic polymorphism. It lets users compose and modify polymorphic objects at run time. The main target language is C++, but C is also supported. The library is a means to create a project's architecture rather than achieve its purpose. It helps with extensibility, readability, scalability, and interoperability. It focuses on maximal performance and minimal memory overhead. The library uses the type...
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  • 25
    Production-ready Docker PHP

    Production-ready Docker PHP

    Production-ready Docker images for PHP. Optimized for Laravel

    serversideup/php is an optimized set of Docker Images for running PHP applications in production. Everything is designed around improving the developer experience with PHP and Docker. Gone are the days of configuring each environment differently, and gone are the days of trying to figure out why your code works in one environment and not the other. These images are highly optimized to run modern PHP applications, no matter where you want your application to run. Ditch FPM for a modern way of...
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