# zerolang alternatives: 12 Claude Code plugins like vercel-labs/zero

Flowy lists 1,115 other Development plugins like zerolang, ranked by shared technologies, then GitHub stars; nothing in this list is paid.

Published: Oct 23, 2026 · Updated: Oct 29, 2026 · Author: Flowy
Canonical: https://www.flowy.sh/alternatives/vercel-labs-zero

## How they compare

| Plugin | Stars | 7 days | Updated | License | Contains |
| --- | ---: | ---: | ---: | --- | --- |
| [zerolang](https://www.flowy.sh/listings/vercel-labs-zero) | 5,392 | +10 | Sep 16, 2026 | Apache-2.0 | 1 skill |
| [sd0x-dev-flow](https://www.flowy.sh/listings/sd0xdev-sd0x-dev-flow) | 194 | 0 | Oct 8, 2026 | MIT | 102 skills, 16 agents, 5 hooks |
| [unclecatvn-agent-skills](https://www.flowy.sh/listings/unclecatvn-agent-skills) | 148 | – | Oct 22, 2026 | MIT | 7 skills, 2 agents |
| [lackeyjb-playwright-skill](https://www.flowy.sh/alternatives/lackeyjb-playwright-skill) | 3,246 | +19 | Oct 1, 2026 | MIT | 1 skill |
| [opensrc](https://www.flowy.sh/alternatives/vercel-labs-opensrc) | 3,024 | +3 | Sep 16, 2026 | Apache-2.0 | 1 skill |
| [skybridge](https://www.flowy.sh/alternatives/alpic-ai-skybridge) | 2,177 | +6 | Oct 26, 2026 | MIT | 3 skills |
| [emulate](https://www.flowy.sh/alternatives/vercel-labs-emulate) | 1,954 | +31 | Oct 29, 2026 | Apache-2.0 | 15 skills |
| [context-engineering-kit](https://www.flowy.sh/alternatives/neolabhq-context-engineering-kit) | 1,792 | +10 | Aug 26, 2026 | GPL-3.0 | 68 skills, 21 agents, 1 command |
| [project-starter](https://www.flowy.sh/alternatives/cloudai-x-claude-workflow-v2) | 1,421 | 0 | Oct 6, 2026 | MIT | 14 skills, 7 agents, 26 commands, 6 hooks |
| [redis-js](https://www.flowy.sh/listings/upstash-redis-js) | 982 | +1 | Oct 27, 2026 | MIT | – |
| [boss](https://www.flowy.sh/listings/echovic-boss-skill) | 544 | +1 | Oct 27, 2026 | MIT | 38 skills, 16 agents, 10 commands |
| [ratel](https://www.flowy.sh/listings/ratel-ai-ratel) | 537 | +56 | Oct 27, 2026 | MIT | 2 skills |
| [agnix](https://www.flowy.sh/listings/agent-sh-agnix) | 458 | +5 | Oct 26, 2026 | Apache-2.0 | 1 skill, 1 agent, 1 command |

## The 12 closest alternatives

1. [sd0x-dev-flow](https://www.flowy.sh/listings/sd0xdev-sd0x-dev-flow) (194 stars, 0 this week). Language: English \| 繁體中文 \| 简体中文 \| 日本語 \| 한국어 \| Español The harness layer for Claude Code. [sd0x-dev-flow on Flowy](https://www.flowy.sh/listings/sd0xdev-sd0x-dev-flow)
2. [unclecatvn-agent-skills](https://www.flowy.sh/listings/unclecatvn-agent-skills) (148 stars). Reference packs, a trace-first development workflow, and specialized reviewers that make AI coding assistants work from your real Odoo… [unclecatvn-agent-skills on Flowy](https://www.flowy.sh/listings/unclecatvn-agent-skills)
3. [lackeyjb-playwright-skill](https://www.flowy.sh/listings/lackeyjb-playwright-skill) (3,246 stars, +19 this week). General-purpose Playwright automation for coding agents An Agent Skill that enables coding agents to write and execute Playwright… [lackeyjb-playwright-skill on Flowy](https://www.flowy.sh/listings/lackeyjb-playwright-skill) · [lackeyjb-playwright-skill alternatives](https://www.flowy.sh/alternatives/lackeyjb-playwright-skill)
4. [opensrc](https://www.flowy.sh/listings/vercel-labs-opensrc) (3,024 stars, +3 this week). Give coding agents access to any package's source code. [opensrc on Flowy](https://www.flowy.sh/listings/vercel-labs-opensrc) · [opensrc alternatives](https://www.flowy.sh/alternatives/vercel-labs-opensrc)
5. [skybridge](https://www.flowy.sh/listings/alpic-ai-skybridge) (2,177 stars, +6 this week). The full-stack React framework for MCP Apps and MCP Servers. [skybridge on Flowy](https://www.flowy.sh/listings/alpic-ai-skybridge) · [skybridge alternatives](https://www.flowy.sh/alternatives/alpic-ai-skybridge)
6. [emulate](https://www.flowy.sh/listings/vercel-labs-emulate) (1,954 stars, +31 this week). Local drop-in replacement services for CI and no-network sandboxes. [emulate on Flowy](https://www.flowy.sh/listings/vercel-labs-emulate) · [emulate alternatives](https://www.flowy.sh/alternatives/vercel-labs-emulate)
7. [context-engineering-kit](https://www.flowy.sh/listings/neolabhq-context-engineering-kit) (1,792 stars, +10 this week). A hand-crafted collection of advanced context engineering techniques and patterns with minimal token footprint, focused on improving agent… [context-engineering-kit on Flowy](https://www.flowy.sh/listings/neolabhq-context-engineering-kit) · [context-engineering-kit alternatives](https://www.flowy.sh/alternatives/neolabhq-context-engineering-kit)
8. [project-starter](https://www.flowy.sh/listings/cloudai-x-claude-workflow-v2) (1,421 stars, 0 this week). A universal Claude Code workflow plugin with specialized agents, skills, hooks, and mode commands for any software project. [project-starter on Flowy](https://www.flowy.sh/listings/cloudai-x-claude-workflow-v2) · [project-starter alternatives](https://www.flowy.sh/alternatives/cloudai-x-claude-workflow-v2)
9. [redis-js](https://www.flowy.sh/listings/upstash-redis-js) (982 stars, +1 this week). @upstash/redis is an HTTP/REST based Redis client for typescript, built on top of Upstash REST API. [redis-js on Flowy](https://www.flowy.sh/listings/upstash-redis-js)
10. [boss](https://www.flowy.sh/listings/echovic-boss-skill) (544 stars, +1 this week). Languages / 语言 / 言語 / 언어 / Idiomas / Langues: English · 中文 · 日本語 · 한국어 · Español · Français · Português This project is part of the… [boss on Flowy](https://www.flowy.sh/listings/echovic-boss-skill)
11. [ratel](https://www.flowy.sh/listings/ratel-ai-ratel) (537 stars, +56 this week). Context engineering for AI agents. [ratel on Flowy](https://www.flowy.sh/listings/ratel-ai-ratel)
12. [agnix](https://www.flowy.sh/listings/agent-sh-agnix) (458 stars, +5 this week). The missing linter and lsp for AI coding assistants. [agnix on Flowy](https://www.flowy.sh/listings/agent-sh-agnix)

## Questions about zerolang alternatives

### What is the best alternative to zerolang?

sd0x-dev-flow is the first of 12 alternatives to zerolang by shared technologies: it has 194 stars (behind zerolang), showed no change this week and ships 102 skills against 1 for zerolang.

### Which zerolang alternative has the most skills?

sd0x-dev-flow has the most, with 102 skills of the 12 alternatives listed. zerolang has 1.

### Is zerolang free?

Yes. zerolang is published under the Apache-2.0 license, so it is free to use.

## Related

- [Development plugins on Flowy](https://www.flowy.sh/listings/category/development)
- [Browse all skills](https://www.flowy.sh/skills)
- [zerolang on Flowy](https://www.flowy.sh/listings/vercel-labs-zero)