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CLUSTER CHALLENGE-CODING-DAY · 4 ENTRIES · EARLIEST ENTRY 2026-08-07

Coding challenge platforms

This cluster consists of coding challenge and practice platforms, often with fixed-duration challenges, gamification, and progress tracking. The cluster's dated history is too thin to read a shape from; it predates the index or its members are undated. On traction, ABTalks-Redesigned leads with 1 star, followed by LeetCode and abtalk with 0 stars.

Entry timeline

ENTRY TIMELINE

AUG 2026: 4
AUG 2026

Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.

Members by activity

Activity signals, not revenue.

Build origin · 3 ai-built · 1 unlabelled

Operator · 3 hobby · 1 indie

Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 4 listed below. Unlabelled means nothing has decided yet — not that the answer is small.

  1. 01ABTalks-Redesigned1★2 moliveai-builthobbyA mobile-first web app for a 60-day coding challenge that gives students personalized tracks, AI-powered recruiter pitch feedback, XP and leveling.
  2. 02abtalk0★2 moliveai-builthobbyA mobile-first platform that restructures a 60-day coding challenge as a gamified farm journey with achievements and progress tracking.
  3. 03abtalks-vibe-hackathon0★2 mo—ai-builthobbyWeb app that runs a 60-day coding challenge for students with daily tasks, streak tracking, and proof submission.
  4. 04ABTalks — 60 Days of Proof-of-Work for Student Developers0★unknownliveindieWeb app that runs a 60-day coding challenge for student developers to build daily and prove consistency with commits and LinkedIn posts.

Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.