Sourcecodester publishes free source code projects and tutorials in programming languages including Python, PHP, and Java.
Advent of Code
Advent of Code offers programming puzzles and publishes information about its sponsors.

About Advent of Code
Advent of Code is a website that offers programming puzzles. The homepage is titled Advent of Code 2025 and includes a sponsors section that names CodeRabbit, a code review tool, as a sponsor. The source material does not describe the puzzle format, supported programming languages, difficulty levels, or how participants take part. Pricing is unknown.
Key features
- Programming puzzles
- Published information about sponsors
- Advent of Code 2025 edition shown on the homepage
Advent of Code at a glance
- Website
- adventofcode.com
- Category
- Education & Learning › Learn to Code
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Advent of Code alternatives
Tools and sites you could use instead, ranked by how closely they match.
CodinGame combines coding games, puzzles, and programming challenges, with support for more than 25 languages.
Tpoint Tech publishes free online tutorials and interview questions across programming languages and technology subjects.
CodeAstro provides free source code projects and examples for programming learners.
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
Popular in Learn to Code
Well-known listings from the same topic.
Tell us and an editor will check it.
Claim the listing and suggest updates yourself. An editor checks every claim first.











