240 + Open Source tools and resources

Difftastic logo

Difftastic

DevTools

A CLI diff tool that compares files based on their syntax, not line-by-line. Difftastic produces accurate diffs that are easier for humans to read.

Free
gaxios logo

gaxios

API Testing

An HTTP request client that provides an Axios-like interface over top of node-fetch.

Free
T

Tldts

IDE

JavaScript Library to extract domains, subdomains and public suffixes from complex URIs.

Free
Zed logo

Zed

IDE

High-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Free
Open Graph Tester logo

Open Graph Tester

Screen Capture

Preview and test your website's Open Graph data

Free
Bruno logo

Bruno

API Testing

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Free
autoheal CLI logo

autoheal CLI

Automated Checking

Auto GPT Agent which automatically fixes code based on failing tests.

Free
SMTP Debug Tool logo

SMTP Debug Tool

Email Testing

Test SMTP connection and see the complete SMTP log.

Free
Domain Digger logo

Domain Digger

DevOps

Get details on any domain, including DNS, WHOIS, certificates, and list of available subdomains.

Free
H

Hero

DevTools

The web browser built for scraping

Free
Url To Json logo

Url To Json

Data

Display the page's content in JSON format.

Free
D

DeskHop

DevTools

Fast Desktop Switching.

Free
Rem logo

Rem

Screen Capture

An open source approach to locally record and enable searching everything you view on your Mac.

Free
Chunk Viz logo

Chunk Viz

DevTools

This is a tool to visualize how different text splitters chunk up text.

Free
Little Rat logo

Little Rat

Traffic Listener

Easily network traffic monitoring with view, monitor, and block traffic from other.

Free
Rawdog logo

Rawdog

DevTools

An CLI assistant that responds by generating and auto-executing a Python script.

Free
L

Lockbox

DevTools

A forward proxy for making third party API calls.

Free
EventKT logo

EventKT

Performance Testing

An Android analytics library created using Kotlin.

Free
Sudo for Windows logo

Sudo for Windows

DevTools

new way for users to run elevated commands directly from an unelevated console session.

Free
Indetectables Toolkit logo

Indetectables Toolkit

Security Testing

98 apps to perform reverse engineering and binary/malware analysis.

Free
wrk2 logo

wrk2

Performance Testing

A HTTP benchmarking tool based mostly on wrk

Free
Git History Diff logo

Git History Diff

DevTools

VS Code extension to view Git history, diff of committed files, git blame info, stash details, and more.

Free
TestPilot logo

TestPilot

DevTools

Use LLMs to automatically generate unit tests for npm packages written in JavaScript/TypeScript.

Free
PageSpy logo

PageSpy

DevTools

Debug remotely and easily with a range of features like chrome devtool.

Free
Dashy logo

Dashy

Task Management

An open source, highly customizable, easy to use, privacy-respecting dashboard app.

Free
Repro logo

Repro

Exploratory Testing

A chrome extension to make bug reporting in the browser more collaborative and reproducible

Free
Siege logo

Siege

Performance Testing

HTTP load tester and benchmarking utility

Free
Apache Bench logo

Apache Bench

Performance Testing

Apache HTTP server benchmarking tool.

Free
L

Lynis

Security Testing

Security auditing and hardening tool, for UNIX-based systems.

Free
ShellCheck logo

ShellCheck

DevTools

finds bugs in your shell scripts.

Free
Password Tech logo

Password Tech

DevTools

Password generator and password manager for Windows with full Unicode support.

Free
Dual Monitor Tools logo

Dual Monitor Tools

DevTools

Tools for Windows users with dual or multiple monitor setups.

Free
Memray logo

Memray

Memory

Python CLI memory profiler

Free
F

Flaker

Performance Testing

A flaky network simulator for your mobile app

Free