Developer Tools

Jupyter Widgets provides interactive Python objects for notebook interfaces, including controls such as sliders and text boxes.

Verus verifies the correctness of low-level systems code written in Rust.

Pinokio lets users launch open-source applications with a one-click install workflow.

pyclugen implements the multidimensional cluster generation algorithm in Python.

Log files can be highlighted in a terminal using tailspin, a command-line utility.

Edbrowse combines a text editor, browser, and email client in a command-line application.

Kenny Bastani’s blog covers building software, with open source examples and tutorials on microservices and cloud native systems.

HTML and CSS feature support in email clients is documented in Can I Email? through compatibility tables.

The igraph site offers network analysis software and describes igraph as a network analysis package.

Bytecode Viewer is a Java and Android APK reverse engineering suite with decompiling, editing, and debugging tools.

Evaluate web content accessibility with WAVE, a suite of tools that identifies accessibility issues.

Build native interfaces with Slint, a declarative GUI toolkit for Rust, C++, JavaScript, and Python.

For parallel computing in Python, Dask extends familiar tools to handle larger workloads.

This utility converts cURL commands into code for languages including Python and JavaScript.

Greywall provides a deny-by-default sandbox for AI coding agents, with kernel-enforced isolation on Linux and macOS.

Manage Procfile-based applications and tmux sessions with overmind, a process manager described in this repository.

A curated collection of servers implementing the Model Context Protocol.

HandyAI offers developer utilities for token counting, prompt analysis, JSON tool use conversion, and cost calculation.

The ml5.js project brings friendly machine learning tools to web projects.

For the Badge generates customizable SVG badges for software projects.

The MCP Inspector provides a visual testing tool for Model Context Protocol servers.

dlib provides C++ libraries for image processing, machine learning, and related algorithms.

This guide explains how to choose a license when publishing free software projects.

Heritrix is the Internet Archive’s open-source, extensible web crawler for archival collection.