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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…
Red Blob Games is a website that offers interactive visual explanations of math and algorithms, using motivating examples from computer games. The website has been curating game development articles since 1990 and provides free access to all articles without any signup or ads. T…
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.…
I Have No TV is a free streaming documentaries website that offers a wide range of documentaries on various topics such as astronomy, nature, brain, science, health, and lifehack. Explore the fascinating world of documentaries and expand your knowledge with our extensive collect…
Wavacity is a port of the Audacity audio editor to the web browser. Free and open-source. No install required.
Wokwi is an online simulator for ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors, and WiFi simulation. It allows users to simulate their projects using popular programming languages. Wokwi Club is a community where users can support and vote for features that…
Decompiler Explorer is an interactive online decompiler which shows equivalent C-like output of decompiled programs from many popular decompilers.
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…
Edit PDF documents, fill PDF forms, and view PDFs online using PDFescape, the free PDF reader, PDF editor, and PDF form filler software. Edit or fill out PDF forms in seconds for free without having to use Adobe Acrobat. Try it now!
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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.