
LeetCode
HackerRank
Project Euler
Codewars
CodeForces
Exercism
interviewing.io
Coderbyte
Excalidraw
Miro
draw.io
Obsidian.md
xTiles App
Kanboard
WBO
ScrumDesk
Excalidraw is an open-source virtual whiteboard focused on simplicity and collaboration. It provides a hand-drawn, sketch-style interface for brainstorming and visualizing ideas. Ideal for remote teams, educators, and developers, Excalidraw supports real-time collaboration and integrates with other tools through its open API. With a privacy-first design and intuitive layout, it enables users to create and share diagrams, workflows, and visual notes efficiently. Powered by a strong community, Excalidraw is designed to fit into diverse workflows with minimal setup.
LeetCode
ExcalidrawLeetCode is the best platform to help people practice solving coding problems and prepare for technical interviews. The main users are software engineers. LeetCode has over 1,900 questions covering many different programming concepts.
Based on our record, LeetCode should be more popular than Excalidraw. It has been mentiond 543 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and system design explanations Coding practice LeetCode Https://leetcode.com Core DSA practice and timed coding drills Coding explanations NeetCode Https://neetcode.io Pattern-based... - Source: dev.to / about 1 month ago
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself. - Source: dev.to / about 2 months ago
Your preparation should not be random. Platforms like LeetCode, Codeforces, and GeeksforGeeks are toolsโbut what matters is how you use them. - Source: dev.to / 2 months ago
Bash /path/to/chrome-launcher.sh email001@gmail.com https://leetcode.com. - Source: dev.to / 3 months ago
AI-Powered Learning Tools: Consider using AI-driven platforms like Khan Academy or LeetCode that can personalize your learning experience based on your progress and skill level. - Source: dev.to / 9 months ago
The format idea costs you nothing to adopt today: export from excalidraw.com with "Embed scene" on, commit the .excalidraw.png, reference it as a normal image. It renders everywhere and stays editable. - Source: dev.to / about 1 month ago
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and system design explanations Coding practice LeetCode Https://leetcode.com Core DSA practice and timed coding drills Coding explanations NeetCode Https://neetcode.io Pattern-based... - Source: dev.to / about 1 month ago
Most system design interviews fail because candidates draw perfect whiteboard diagrams but canโt explain the tradeoffs of their choices, or canโt write code to implement a core component. By 2025, 60% of FAANG system design interviews will require live coding of at least one component, per internal hiring data. Instead of practicing whiteboard diagrams with Excalidraw, practice coding core components: rate... - Source: dev.to / about 2 months ago
Excalidraw โ Hand-drawn style diagrams; stores as JSON that AI can read and tweak (still early days). - Source: dev.to / 5 months ago
Excalidraw is free and feels like drawing with a fat marker. - Source: dev.to / 2 months ago
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Miro - Join Millions of users that collaborate from all over the planet using Miro. Experience the power of the #1 visual workspace for innovation. More than 100M users and 250,000 companies are collaborating on the canvas.
Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will...
draw.io - Online diagramming application
Codewars - Achieve code mastery through challenge.
Obsidian.md - A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.