Best open-source Developer Tools projects

A terminal (TUI) download manager written in Go that splits files into parallel chunks and can run as a background server.

A keyboard-driven terminal UI (TUI) for connecting to and querying many SQL databases, inspired by lazygit.

A terminal UI for Linux that lists listening network ports and lets you inspect or kill the processes holding them.

Interactive terminal disk space analyzer that scans directories, finds what is using space, and lets you trash or delete it.

Pik is an interactive, fuzzy-search terminal tool for finding running processes and killing them, a pkill alternative with a TUI.

A Python library for printing tabular data as attractive ASCII tables, with output to HTML, JSON, CSV, LaTeX, and Markdown.

A Python command-line tool that records TikTok live streams, including audio and video, in manual, automatic, or followers mode.

A free Windows tool for monitoring system resources, inspecting processes, debugging software and spotting malware, a successor to Process Hacker.

Qt-based desktop client that displays and controls Android devices over USB or Wi-Fi without requiring root.

A web-based signal intelligence platform that puts common software-defined radio tools such as ADS-B, AIS, pager and weather satellite decoders behind one interface.

A Windows desktop app built with Electron that debloats and optimizes a PC through reversible tweaks, cleaners, and system utilities.

Terminal UI tool written in Go that discovers and explores devices on your local network using mDNS, SSDP, and ARP.

A terminal battery and energy monitor for macOS and Linux that shows which processes are draining your laptop battery.

A cross-platform .NET desktop app (built with Avalonia) for creating, editing, comparing and exporting JSON, with class upload and management.

A TypeScript implementation of the ADB client that runs in Chromium browsers, Node.js and Electron, letting you control Android devices over USB.

A terminal API client for HTTP, GraphQL, gRPC and WebSocket that keeps requests as plain .http files you can version in git.

A command-line toolkit that parses documents into markdown and runs local semantic keyword search and AI-powered Q&A over text files.

A terminal tool that replays Git commits as animated typing sessions with syntax highlighting and file tree transitions.

A lightweight cross-platform code editor built with Tauri, combining Rust and React, with Git support, AI agents, and Vim keybindings.

Self-hosted code quality and security platform that finds bugs, vulnerabilities and maintainability issues through static analysis.