Best Open Source Developer Tools Tools

Open source developer tools tools, ranked by score and analyzed honestly. Part of our Developer Tools coverage.

Ranked by score. Updated weekly.

1

chromium

83

The official GitHub mirror of the Chromium source

24,016C++permissive
2

systemd

80

The systemd System and Service Manager

16,399Ccopyleft
3

renode

74

Renode - Antmicro's open source simulation and virtual development framework for complex embedded systems

2,588RobotFrameworkpermissive
4

whatcable

73

macOS menu bar app that tells you, in plain English, what each USB-C cable plugged into your Mac can actually do

5,982Swiftpermissive
5

PureMac

73

Free, open-source macOS cleaner. CleanMyMac alternative with zero telemetry. Native SwiftUI, scheduled auto-cleaning, Xcode/Homebrew/system cache cleanup. MIT licensed.

4,854Swiftpermissive
6

SponsorBlock

72

Skip YouTube video sponsors (browser extension)

13,353TypeScriptcopyleft
7

panel

71

⚡ AcePanel - Enterprise server operation and maintenance management panel

2,834Gopermissive
8

FxEmbed

69

Fix X/Twitter and Bluesky embeds! Use multiple images, videos, polls, translations and more on Discord, Telegram and others

4,729TypeScriptpermissive
9

clawsweeper

67

ClawSweeper scans all issues and PRs and suggest what we can close, and why. It runs every PR / Issue once a week.

1,875JavaScriptpermissive
10

dev3000

66

Captures your web app's complete development timeline - server logs, browser events, console messages, network requests, and automatic screenshots - in a unified, timestamped feed for AI debugging.

1,531TypeScriptpermissive
11

sandboxes

62

Self-hosted dev sandboxes with preview URLs. One command. No Kubernetes, perfect for coding agents and Saas factories

677Gopermissive
12

pyRevit

60

Rapid Application Development (RAD) Environment for Autodesk Revit®

1,776Pythoncopyleft
13

velxio

57

Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards — Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no cloud, no limits.. Discord: https://discord.gg/3mARjJrh4E

2,218TypeScriptunknown

Explore More Categories