Recommender Systems (open-source)

This list contains most of the non-SaaS recommender systems that are open-source.

Health & Fitness (online shopping)

Shop for fitness and health related products.

Web Servers

Energy Companies

List of Energy Companies

UI Inspiration

Curated list of sites for UI Inspiration.

File Compression (tools)

Science

How the world works?!

Technology

All about tech.

Open Source

Websites and portals related to open source.

Big Data

Defense

Defense is a part of the government found in states where the government is divided into ministries or departments, responsible for matters of defense.

Engineering

Discipline associated with the design, building, and use of engines, machines, and structures.

Analytics

Finance

DIY

Build it yourself, with handy instructions.

Apps & Software

All types of software products - desktop software, business software, web applications and mobile apps.

Writing

Tools for writing content.

News

Websites for all kinds of News.

Education

Writing Tools