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Omm P

observer04
Python Go
joined 2 years ago

Challenges

Build your own HTTP server
using Python
Build your own HTTP server
Learn about TCP servers, the HTTP protocol and more
completed
Python
Build your own DNS server
using Go
Build your own DNS server
Learn about the DNS protocol, DNS record types and more.
completed
Go
Build your own Redis
using Go
Build your own Redis
Learn about TCP servers, the Redis protocol and more
completed
Go Python
Build your own Claude Code
using Python
Build your own Claude Code
Learn about LLM APIs, tool calling, agent loops and more
completed
Python
Build your own Shell
using Python
Build your own Shell
Learn about parsing shell commands, executing programs and more
43/59 stages
Python
Build your own grep
using Go
Build your own grep
Learn about regex syntax: character classes, quantifiers and more
1/33 stages
Go
Build your own Kafka
using Go
Build your own Kafka
Learn about TCP servers, the Kafka wire protocol and more.
0/25 stages
Go
Build your own SQLite
using Go
Build your own SQLite
Learn about SQL syntax, SQLite's file format, B-trees and more
0/9 stages
Go
Build your own BitTorrent
using Python
Build your own BitTorrent
Learn about .torrent files, the BitTorrent Peer Protocol and more
2/19 stages
Python
February 2026
January 2026
December 2025
October 2025
September 2025
July 2025
February 2025
September 2024