189 + Open Source tools and resources

A

Actions Batch

DevTools

Run a shell script in an isolated, immutable environment, collect the logs or results.

Free
Testcontainers logo

Testcontainers

Automated Checking

An open source framework for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container.

Free
Device Simulator & Tester logo

Device Simulator & Tester

Exploratory Testing

Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.

Free
Chai JS logo

Chai JS

Automated Checking

A BDD / TDD assertion assertion library

Free
Tabgod logo

Tabgod

Exploratory Testing

Execute any JavaScript on any open browser tab.

Free
Echoed logo

Echoed

Automated Checking

Observable Integration Testing using OpenTelemetry on top of Jest/Playwright/Cypress.

Free
Repo Lockdown logo

Repo Lockdown

DevTools

A GitHub Action that immediately closes and locks issues and pull requests.

Free
Nuxt Test Utils logo

Nuxt Test Utils

Automated Checking

🧪 Test utilities for Nuxt

Free
J

JUnit5 Robolectric Extension

Automated Checking

A unit testing framework for Android.

Free
Robolectric logo

Robolectric

Automated Checking

A unit testing framework for Android.

Free
Quicktype logo

Quicktype

Automated Checking

Convert JSON into gorgeous, typesafe code in any language.

Free
TimeLapze logo

TimeLapze

Screen Capture

A open-source menu bar application for creating screen and camera timelapses without excessive file sizes.

Free
PDFcheck logo

PDFcheck

Accessibility Testing

Immediately check one or one hundred PDF files for signs of inaccessibility

Free
w

wacat

Automated Checking

Tests your web application against cat chaos!

Free
Automock logo

Automock

Automated Checking

A tool to optimize the unit testing process.

Free
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