Drone is an open source Continuous Delivery platform that automates your testing and release workflows. It is built on container technology. Every build is executed inside an ephemeral Docker container, giving developers complete control over their build environment with guaranteed isolation.

sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers. It comes with a powerful detection engine, many niche features for the ultimate penetration tester and a broad range of switches lasting from database fingerprinting, over data fetching from the database, to accessing the underlying file system and executing commands on the operating system via out-of-band connections.

WhatWeb identifies websites. Its goal is to answer the question, “What is that Website?”. WhatWeb recognises web technologies including content management systems (CMS), blogging platforms, statistic/analytics packages, JavaScript libraries, web servers, and embedded devices. WhatWeb has over 900 plugins, each to recognise something different. WhatWeb also identifies version numbers, email addresses, account IDs, web framework modules, SQL errors, and more.

Penetration Testing Linux OS containing tools to test the security of system or a network.

Straightforward, Heroku-style, push-based deployment. Your deploys can become as simple as this:

$ git push production master

Isolate your React UI Component development from the main app. Now you can develop and design React UI components without running your app. You just load your UI components into the React Storybook and start developing them.
This functionality allows you to develop UI components rapidly without worrying about the app. It will improve your team’s collaboration and feedback loop.

OpenRefine is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data.

Roots helps you build better WordPress sites faster.
Open-source tools for WordPress application development.

• LEMP stack
• Project boilerplate
• Starter theme

VersionPress is a free and open source version control plugin for WordPress built on Git. You can:

Undo changes
Create staging sites
Merge databases  ← yes, really!

Simply update your sites with confidence.

DuckRails is a development tool.

Its main purpose is to allow developers to quickly mock API endpoints that for many possible reasons can't reach at a specific time.

Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). Mailtrain supports subscriber list management, list segmentation, custom fields, email templates, large CSV list import files, etc.

Vegeta is a versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate. It can be used both as a command line utility and a library.

The global fetch function is an easier way to make web requests and handle responses than using an XMLHttpRequest. This polyfill is written as closely as possible to the standard Fetch specification at https://fetch.spec.whatwg.org.

azk is an open-source orchestrator for local development environments.

Game-icons.net is an online repository providing heaps of cool game related graphics.

They are provided provided under the terms of the Creative Commons 3.0 BY license.

Ace = JavaScript + Native UI + iOS + Android
for Apache Cordova

Add native power to your shared JavaScript codebase
Works with Ionic, PhoneGap, and all Cordova-based projects

ZippList is a super simple directory that features a hand picked selection of the very best, free resources and tools for creatives.

We’ve scoured the internet for the most awesome sites that feature free stock photography , mockups, icons, graphics, video, audio, colour swatches, textures and tools – so you don’t have to.

Caddy is a lightweight, general-purpose web server for Windows, Mac, Linux, BSD and Android. It is a capable alternative to other popular and easy to use web servers. (@caddyserver on Twitter)

The most notable features are HTTP/2, Let's Encrypt support, Virtual Hosts, TLS + SNI, and easy configuration with a Caddyfile. In development, you usually put one Caddyfile with each site. In production, Caddy serves HTTPS by default and manages all cryptographic assets for you.

PlatformIO is an open source ecosystem for IoT development
Cross-platform build system. Continuous and IDE integration. Arduino and MBED compatible

stackoverflow from the terminal.
how2 finds the simplest way to do something in a unix shell. It's like man, but you can query it in natural language.