Open-source alternatives to Lets Build Express

Atom is an extensible code IDE and hackable text editor designed for source code editing and the creation of custom development environments. It functions as a syntax highlighting editor and a version control integrated editor that tracks file changes and synchronizes code with remote repositories. The editor allows for the modification of its own core functionality and supports a package-based plugin system for creating custom themes and snippets. It also serves as a Markdown preview editor, providing side-by-side visual rendering for content authoring. The platform includes capabilities fo

Gunicorn is a production-grade WSGI HTTP server designed for deploying Python web applications. It functions as a process manager that utilizes a pre-fork worker model, where a master process initializes the application and spawns multiple child processes to handle incoming requests in parallel. This architecture ensures high performance and stability by isolating application execution within persistent worker processes. The server distinguishes itself through its flexible concurrency models and robust process lifecycle management. It supports interchangeable worker types, including synchrono

iodine - HTTP / WebSockets Server for Ruby with Pub/Sub support

CodeEdit is an open-source integrated development environment and native macOS code editor. It provides a workspace for writing and modifying source code, combining a text editor with project management tools. The editor is built specifically for macOS using native frameworks to ensure performance. It features a plugin system that allows for the addition of specialized features and custom logic to extend the editing experience. The environment includes an integrated terminal emulator for executing development commands and debugging tools. It also provides project-wide file indexing for globa

CotEditor is a native macOS plain text editor designed for lightweight file modification and developer use. It is a desktop application built specifically for the macOS operating system to ensure high performance and system integration. The project functions as a text encoding manager, providing the ability to process and convert a wide range of plain text formats and legacy character encodings to prevent corruption and display errors. Its capabilities cover plain text editing, lightweight code editing for scripts and configuration files, and general macOS text processing.

Ox is an extensible code editor and integrated development environment. It functions as a terminal-integrated text editor that combines source code editing with an embedded interactive command-line shell. The editor is distinguished by its programmable nature, utilizing a custom scripting API to integrate external functionality such as AI assistance and productivity tools. It further enables automation through an event-capture macro system for recording and playing back editing sequences. Core capabilities include multi-cursor editing, rule-based syntax highlighting, and a hierarchical file

This repo contains chapters which explains how one can build a minimal express library.

Django Channels HTTP/WebSocket server

Sublime Text essential plugins and resources

This project is a set of configuration guides and instructional tutorials for setting up Nginx as a web server and reverse proxy. It provides practical examples for hosting static files and directing network traffic to backend servers. The materials cover the implementation of load balancing using weighted round-robin strategies to distribute traffic across server clusters. It also provides guidance on configuring reverse proxies to manage request flow and secure application access. The documentation includes instructions for routing requests by URL path to host multiple applications on a si

Emacs is an extensible real-time text editor that displays each character as it is typed across multiple windows and frames. It is fundamentally a scriptable editing environment, allowing users to write custom code that adds new commands or modifies behavior dynamically without restarting the editor. Beyond text editing, the editor includes an interactive help and manual browser that opens contextual documentation for any command or setting on demand, as well as a live configuration customization panel that applies adjustments to settings and themes instantly.

Awesome Emacs is a curated directory of community-driven resources, packages, and configurations designed to extend the functionality of the Emacs text editor. It serves as a comprehensive index for users seeking to transform their editor into a specialized development environment or a highly personalized productivity workspace. The collection highlights tools that enable deep customization of the Emacs experience, ranging from ergonomic key binding schemes and visual interface themes to advanced window management and navigation utilities. It provides a centralized reference for discovering e

Granian is a Rust-based HTTP server written specifically to serve Python web applications. It supports the three major Python gateway interfaces—ASGI for asynchronous apps, WSGI for synchronous apps, and RSGI for async requests—while also handling HTTP/1.1, HTTP/2, and WebSocket connections through automatic protocol negotiation. Architecturally, Granian uses a multiprocess worker model that isolates requests across CPU cores and provides configurable threadpool-limited concurrency to control backpressure per worker. It includes built-in Prometheus metrics exposition for connection counts and

AllegroServe, a web server written in Common Lisp

A fast HTTP client for Common Lisp

A fast HTTP request/response parser for Common Lisp.

A fast non-blocking HTTP server on top of libev

A terminal-based text editor written in Rust

AllegroServe, a web server written in Common Lisp

Brackets is an extensible JavaScript IDE and front-end code editor specifically designed for authoring HTML, CSS, and JavaScript. It serves as a web development text editor that provides a specialized environment for building websites. The editor is distinguished by its live preview capabilities, which render code changes in a browser in real time for immediate visual feedback. It further supports front-end workflows through inline style editing and the ability to synchronize code changes across multiple browser windows for cross-browser testing. The project includes a wide range of developm