Fifteen repos are breaking out; a diagram skill and a Tencent memory hub lead on momentum

Asked:

“find me github repos that are blowing up in popularity (similar to how https://github.com/BerriAI/litellm blew up)”

A curated shortlist of 15 AI and dev-tool repositories with explicit star-growth signals during August–September 2026, each corroborated by at least 3 independent hosts (not an exhaustive scan of GitHub). Momentum score = ln(1 + peak stars/day) × corroborating hosts; peaks are reported snapshots from trend trackers, and DeepSeek's +57,000/day peak is an extreme outlier to treat cautiously.

All 15 repositories ranked by momentum score

Bar length = momentum score · LiteLLM-like infrastructure bet other breakout · dots = corroborating hosts · right column = reported peak stars/day. Hover a bar for details.

cathrynlavery/diagram-design tops the list: a reported peak of +4,475 stars in a day on only ~29,000 total, backed by 8 independent hosts. arc-codex.com

TencentCloud/TencentDB-Agent-Memory has the broadest corroboration — 9 hosts and 29 source pages — for a +6,149 gain over 5 days (~1,230/day). arc-codex.com

deepseek-ai/deepseek-harness shows the largest single-day peak on record here, +57,000 stars — an outlier that likely reflects launch-day noise rather than steady velocity. arc-codex.com

Six repos are direct LiteLLM-style infrastructure bets — gateways, memory, harnesses, extraction — led by diegosouzapw/OmniRoute, an MIT-licensed AI gateway collapsing many providers into one endpoint. arc-codex.com

The LiteLLM-like infrastructure bets

Full comparison

#	Repository	Description	Language	Total stars	Peak /day	Gain (window)	Hosts	Score	Latest signal	Source

Method: web sources and GitHub trend snapshots searched for explicit numeric star growth in August–September 2026; AI developer tools, agents, model infrastructure and developer utilities retained; repository names normalized; a minimum of 3 corroborating hosts required; impossible cases (window gain ≥ total stars) excluded; ranked by ln(1 + peak stars/day) × corroborating hosts. 15 rows, latest signals 2026-08-10 to 2026-09-07, published 2026-09-10. Peak stars/day are reported snapshots from trend trackers and articles, not GitHub API time-series, and can be noisy or lagged; no single source URL backs more than half the shortlist. Corroborating host lists shown on hover; per-host source pages cut for space.

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