Learn DS and Algorithms
learn-dsa.comA roadmap linking data structures with solved coding challenges
A roadmap linking data structures with solved coding challenges
Pattern-based live coding for algorithmic music
A collection of games teaching web-development concepts
Native macOS context engineering and agent orchestration app
Programming study alongside practice and contests
Coding practice grouped by technical skill
A coding problem bank with topic and difficulty choices
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
Model paint-like colour mixing in a JavaScript application.
David Jonathan Ross’s type library with full-featured font trials.
Proxima Nova, original display fonts and the free Anonymous Pro coding family.
Windows accounting for multiple companies with optional invoicing and stock
A live ledger with approval rules and traceable accounting corrections
View Google, Outlook, and iCloud events beside tasks, reminders, and shared plans.
Build hiring assessments and review results, with candidate credits consumed on completed submissions.
Review business spending before it reaches the ledger
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.