Postgres Playground is a free, hands-on tutorial to learn Postgres. Tutorials include the fundamentals, like shell interactions, indexes, and transactions. Advanced tutorials include performance analysis, JSON, PostGIS, and window functions.

Learn how to type faster 🎯. Take typing lessons on touch typing tutor Ratatype 💻, practice your keyboarding skills online, take a typing speed test and get typing speed certificate for free.

FreeTinyTools provides free online conversion, Text Tools, Image Processing, Online Calculators, Unit converters Tools, Binary Converter Tools Website Management Tools, Development Tools, and other handy tools to help you solve problems of all types.

An online community to read and discuss the latest engineering books with other professionals

PDF Drive is your search engine for PDF files. As of today, they have 80 million eBooks for you to download for free. No annoying ads, no download limits.

You can use a bar graph maker to quickly create bar charts on the internet without having to install any software. Everything happens right on the web. You get different choices to change up your bar chart to fit what you want. You can save the bar graph in lots of different way…

Not just a cat purr, but a cat purring next to you. Purrli recreates the sound and the presence of a cat, online. It's soothing, it's free, and it's purrfect!

Gigantic list of movies available for free, mainly on YouTube, but some on Archive.org and other such services.

Preceden is an online timeline maker that allows users to quickly create, customize, and share visual timelines, Gantt charts, and roadmaps. It offers a variety of features such as event visualization, sharing options, insights and clarity, and advanced features for power users.…

Wavacity is a port of the Audacity audio editor to the web browser. Free and open-source. No install required.

Kody Tools is basically a hub of tools. As of now, it contains around 300+ calculators and converters related to mathematical calculation, financial calculation, measurement unit converters, etc. The tools are not only suitable for developers but also for each and every individu…

It doesn't matter in what kind of mood you are, find the perfect GIF to express it. GIPHY will provide you with all sort of amazing and funny GIFs.

Start watching public domain and free Films, Series, Documentaries and Cartoons available on the internet, added by users and sorted by our algorithms.

Lota is a free online EPUB reader. Read multiple books at the same time. Upload data on your computer and sync it on your phone for seamless reading.

A huge repository of ~120K free downloadable vector brand logos in SVG format.

KnifeGeek is an online hub and one-stop-shop that allows knife enthusiasts to use advanced search features to browse our database of nearly every knife available on the internet.

Earn free Bitcoin or Ethereum as cashback when making online shopping purchases. Affordab.ly is partnered with over 10,000 of the web’s best stores, giving you crypto cashback of up to 40%. Simply install our free iOS app or browser extension and shop online as you normally d…

An online magazine completely autogenerated by a bot. From the choice of topics to writing, ads and pictures. An experiment on the impact of AI on journalism.

Imagine having 50 tools in one website. Pine Tools is your in-browser genie. Pinetools has tools for several everyday things you would need for: Images. Randomness, Mathematics, Colors, Text and lists, Numbers, Date and time, Files, Programming.

Leading online education from top universities.