Learn various programming languages, for free. If you are a programmer, you probably came across this website multiple times through Google.

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!

GeneralScience.io offers self-paced, comprehensive computer science learning. We provide courses on System Design, Data Structures, Algorithms, Object-Oriented Programming, Operating Systems, Networking, and more. Learn, grow, and excel with us.

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…

Vertopal is an online platform for converting computer files to a variety of file formats. Our main goal is to provide the best conversion quality without the need to install third-party applications.

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.

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

JiraCLI is a feature-rich interactive command-line tool for Atlassian Jira. The tool mostly focuses on issue search and navigation at the moment. However, it also includes features like issue creation, cloning, linking, ticket transition, and so on.

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…

The Ai Pin wants to replace your smartphone with ambient technology. The wearable pin lets you make calls, send texts, emails, and more with your voice, touch, and gestures. It's packs AI, so can translate in real-time and access information.

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.

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!

Users can sing along to their favorite songs with adjustable vocals and real-time lyrics. Apple Music Sing offers multiple lyric views to help fans take the lead, perform duets, sing backup, and more.

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

Practice and improve your typing by retyping ENTIRE classic books! Choose from the likes of 1984, Alice in Wonderland, or The Art of War. With our library of classic titles in various languages growing all the time, you'll never run out of lit to type!

Poised is the AI-powered communication coach that helps you speak with confidence and clarity. Private and secure, an essential tool for digital-first workplaces. Works with Zoom, Slack, Microsoft Teams, and Google Meet, among other platforms.

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.

SVG Repo 2.0 is now faster, supports style filtering with an even wider library of 460k open licensed icons and vectors. Search, explore and edit the best-fitting free icons or vectors for your projects using a wide variety vector library.

Example code and prompts for accomplishing common tasks with the OpenAI API. To try the examples yourself, you’ll need an OpenAI account. Most code examples are written in Python, though the concepts can be applied in any language.

Example code and prompts for accomplishing common tasks with the OpenAI API. To try the examples yourself, you’ll need an OpenAI account. Most code examples are written in Python, though the concepts can be applied in any language.