CodeChef
codechef.comProgramming study alongside practice and contests
Programming study alongside practice and contests
Coding practice grouped by technical skill
A coding problem bank with topic and difficulty choices
Biographical and bibliographical reference to classical scholarship
Data and AI courses organized around career paths
Free introductory open courses including software engineering
Coding programs centered on algorithms and web development
Coding problems and short routes for technical interviews
Technical learning with courses and coding-practice platforms
A live ledger with approval rules and traceable accounting corrections
David Jonathan Ross’s type library with full-featured font trials.
Develop Python in a project-aware desktop IDE with a debugger, test runner, and optional coding-agent tools.
A fantasy console with a compact Lua coding environment and built-in sprite, map, sound, and music editors.
View Google, Outlook, and iCloud events beside tasks, reminders, and shared plans.
Review business spending before it reaches the ledger
Model paint-like colour mixing in a JavaScript application.
Proxima Nova, original display fonts and the free Anonymous Pro coding family.
Use a Vim-based editor with Lua configuration, a documented API, and remote-procedure-call support for extensions.
A browser IDE for programming courses, with Linux project environments and an integrated terminal.
AI model from Moonshot AI for reasoning, coding, and agentic tasks.
AI testing platform for web, mobile, API and desktop QA
AI website builder that creates and hosts self-optimizing sites
Create AI websites by chatting, with hosting and a full editor
AI interview assistant that listens to live interviews and shows private answer suggestions.