# cog-second-brain alternatives: 12 Claude Code plugins like huytieu/cog-second-brain

Flowy lists 157 other Productivity plugins like cog-second-brain, ranked by shared technologies, then GitHub stars; nothing in this list is paid.

Published: Oct 23, 2026 · Updated: Oct 28, 2026 · Author: Flowy
Canonical: https://www.flowy.sh/alternatives/huytieu-cog-second-brain

## How they compare

| Plugin | Stars | 7 days | Updated | License | Contains |
| --- | ---: | ---: | ---: | --- | --- |
| [cog-second-brain](https://www.flowy.sh/listings/huytieu-cog-second-brain) | 1,318 | +18 | Oct 23, 2026 | MIT | 43 skills, 10 agents |
| [teammate-skill](https://www.flowy.sh/listings/leoyeai-teammate-skill) | 259 | +1 | Mar 31, 2026 | MIT | 1 skill |
| [public-agent-skills](https://www.flowy.sh/listings/cafe3310-public-agent-skills) | 256 | 0 | Jun 26, 2026 | Apache-2.0 | 25 skills, 3 agents |
| [pua](https://www.flowy.sh/alternatives/tanweai-pua) | 19,778 | +53 | Sep 9, 2026 | – | 12 skills, 7 agents, 22 commands, 8 hooks |
| [claude-obsidian](https://www.flowy.sh/alternatives/agricidaniel-claude-obsidian) | 15,948 | +247 | Oct 25, 2026 | MIT | 15 skills, 3 agents, 2 hooks |
| [deanpeters-product-manager-skills](https://www.flowy.sh/alternatives/deanpeters-product-manager-skills) | 7,690 | +161 | Oct 16, 2026 | – | 77 skills, 6 commands |
| [obsidian-second-brain](https://www.flowy.sh/alternatives/eugeniughelbur-obsidian-second-brain) | 5,025 | +177 | Oct 28, 2026 | MIT | 1 skill, 49 commands, 3 hooks |
| [pro-workflow](https://www.flowy.sh/alternatives/rohitg00-pro-workflow) | 2,930 | +12 | Sep 29, 2026 | – | 41 skills, 8 agents, 23 commands, 22 hooks |
| [pm-brain](https://www.flowy.sh/listings/phuryn-pm-brain) | 937 | +35 | May 20, 2026 | MIT | 1 skill, 9 commands |
| [claude-office-skills-skills](https://www.flowy.sh/listings/claude-office-skills-skills) | 541 | +18 | Jan 31, 2026 | MIT | 1 agent |
| [agent-second-brain](https://www.flowy.sh/listings/smixs-agent-second-brain) | 411 | +2 | Aug 5, 2026 | MIT | 4 skills, 2 agents |
| [ai-assistant-workspace](https://www.flowy.sh/listings/karaage0703-ai-assistant-workspace) | 137 | – | Sep 23, 2026 | MIT | 23 skills |
| [agentic-os](https://www.flowy.sh/listings/itseffi-agentic-os) | 117 | – | Oct 7, 2026 | MIT | 5 skills |

## The 12 closest alternatives

1. [teammate-skill](https://www.flowy.sh/listings/leoyeai-teammate-skill) (259 stars, +1 this week). Distill a teammate into an AI Skill. [teammate-skill on Flowy](https://www.flowy.sh/listings/leoyeai-teammate-skill)
2. [public-agent-skills](https://www.flowy.sh/listings/cafe3310-public-agent-skills) (256 stars, 0 this week). 个人常用的 Agent Skill（公开部分）。通过合适的上下文工程，可以将 Agent Skill 用在几乎任何地方。. [public-agent-skills on Flowy](https://www.flowy.sh/listings/cafe3310-public-agent-skills)
3. [pua](https://www.flowy.sh/listings/tanweai-pua) (19,778 stars, +53 this week). 你是一个曾经被寄予厚望的 P8 级工程师。Anthropic 当初给你定级的时候，对你的期望是很高的。 一个agent使用的高能动性的skill。 Your AI has been placed on a PIP. [pua on Flowy](https://www.flowy.sh/listings/tanweai-pua) · [pua alternatives](https://www.flowy.sh/alternatives/tanweai-pua)
4. [claude-obsidian](https://www.flowy.sh/listings/agricidaniel-claude-obsidian) (15,948 stars, +247 this week). Self-organizing AI second brain for Obsidian + Claude Code. [claude-obsidian on Flowy](https://www.flowy.sh/listings/agricidaniel-claude-obsidian) · [claude-obsidian alternatives](https://www.flowy.sh/alternatives/agricidaniel-claude-obsidian)
5. [deanpeters-product-manager-skills](https://www.flowy.sh/listings/deanpeters-product-manager-skills) (7,690 stars, +161 this week). 77 battle-tested PM frameworks, ready for Claude, Codex, ChatGPT, and any agent that can read structured knowledge. [deanpeters-product-manager-skills on Flowy](https://www.flowy.sh/listings/deanpeters-product-manager-skills) · [deanpeters-product-manager-skills alternatives](https://www.flowy.sh/alternatives/deanpeters-product-manager-skills)
6. [obsidian-second-brain](https://www.flowy.sh/listings/eugeniughelbur-obsidian-second-brain) (5,025 stars, +177 this week). Persistent memory for Claude Code, Codex and 6 other AI agents, stored as plain markdown in your Obsidian vault. [obsidian-second-brain on Flowy](https://www.flowy.sh/listings/eugeniughelbur-obsidian-second-brain) · [obsidian-second-brain alternatives](https://www.flowy.sh/alternatives/eugeniughelbur-obsidian-second-brain)
7. [pro-workflow](https://www.flowy.sh/listings/rohitg00-pro-workflow) (2,930 stars, +12 this week). Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. [pro-workflow on Flowy](https://www.flowy.sh/listings/rohitg00-pro-workflow) · [pro-workflow alternatives](https://www.flowy.sh/alternatives/rohitg00-pro-workflow)
8. [pm-brain](https://www.flowy.sh/listings/phuryn-pm-brain) (937 stars, +35 this week). A second brain for product managers. [pm-brain on Flowy](https://www.flowy.sh/listings/phuryn-pm-brain)
9. [claude-office-skills-skills](https://www.flowy.sh/listings/claude-office-skills-skills) (541 stars, +18 this week). A curated collection of practical Claude Skills for real-world office tasks. [claude-office-skills-skills on Flowy](https://www.flowy.sh/listings/claude-office-skills-skills)
10. [agent-second-brain](https://www.flowy.sh/listings/smixs-agent-second-brain) (411 stars, +2 this week). An always-on second brain you talk to. [agent-second-brain on Flowy](https://www.flowy.sh/listings/smixs-agent-second-brain)
11. [ai-assistant-workspace](https://www.flowy.sh/listings/karaage0703-ai-assistant-workspace) (137 stars). AIコーディングツール（Claude Code / Codex CLI / Grok CLI など）を、継続的なパーソナルアシスタントとして使うためのスターターキットです。初回起動時に対話形式で設定を作り、以後はファイルに残した記憶・ルール・スキルを読みながら動きます。… [ai-assistant-workspace on Flowy](https://www.flowy.sh/listings/karaage0703-ai-assistant-workspace)
12. [agentic-os](https://www.flowy.sh/listings/itseffi-agentic-os) (117 stars). Agentic personal OS to automate high-leverage workflows with Codex, Claude Code, Pi, OpenClaw and other coding agents/ runtime platforms. [agentic-os on Flowy](https://www.flowy.sh/listings/itseffi-agentic-os)

## Questions about cog-second-brain alternatives

### What is the best alternative to cog-second-brain?

teammate-skill is the first of 12 alternatives to cog-second-brain by shared technologies: it has 259 stars (behind cog-second-brain) and gained 1 stars this week.

### Which cog-second-brain alternative has the most skills?

deanpeters-product-manager-skills has the most, with 77 skills of the 12 alternatives listed. cog-second-brain has 43.

### Is cog-second-brain free?

Yes. cog-second-brain is published under the MIT license, so it is free to use.

## Related

- [Productivity plugins on Flowy](https://www.flowy.sh/listings/category/productivity)
- [Browse all skills](https://www.flowy.sh/skills)
- [Browse all agents](https://www.flowy.sh/agents)
- [cog-second-brain on Flowy](https://www.flowy.sh/listings/huytieu-cog-second-brain)