Codewars
codewars.comCommunity coding kata with tests and solution comparisons
Community coding kata with tests and solution comparisons
Interactive coding lessons leading into projects
Project-oriented coding courses across technical subjects
A topic-organized collection of programming tutorials
Law entrance preparation with courses, study resources and daily language practice.
Algebra solving with topic examples and practice
Software design as both technical and human work
11-plus preparation advice, regional school information, practice resources and discussion.
Client requests, practice workflows and QuickBooks transaction follow-up
Argentine accounting with purchase capture and company or practice plans
Practice workflows and client requests priced by client count
Recurring accounting work with templates, assignments and deadline tracking
Edit code on iPhone or iPad with broad syntax highlighting, remote file access, and an SSH terminal.
A reactive Python notebook editor that saves notebooks as ordinary Python files.
Accounting-practice workflows with client document checks
Write statically typed Nim programs and compile them with a toolchain designed for systems and application work.
A browser IDE for running short code samples or building supported multi-file projects across many languages.
Compile systems software with a general-purpose language built around explicit control and cross-compilation.
Write visual sketches in a desktop editor and run them in a graphics window with Processing.
Compile Ruby-inspired, statically typed Crystal programs into native executables.
A language, runtime, and library platform for concurrent, fault-tolerant applications.
Preview and deploy infrastructure changes through the same CI workflow as application code.
Create compiled programs and reusable modules with Go's language and standard toolchain.
A graphical environment for building measurement, instrument-control, and test applications with the G language.