developer tools

Top 100 active public non-fork repositories tagged developer-tools, ordered by stars.

Snapshot: 2026-09-15T06:38:56.977Z. 100 results.

affaan-m/ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

258539 stars · JavaScript

DietrichGebert/ponytail

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

138703 stars · JavaScript

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

116818 stars · Python

puppeteer/puppeteer

JavaScript API for Chrome and Firefox

95579 stars · TypeScript

OpenHands/OpenHands

🙌 OpenHands: AI-Driven Development

87953 stars · TypeScript

rtk-ai/rtk

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

80419 stars · Rust

hoppscotch/hoppscotch

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

80307 stars · TypeScript

ComposioHQ/awesome-claude-skills

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

75052 stars · Python

daytonaio/daytona

Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code

71716 stars · language not reported

#10

tt-a1i/archify

Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.

62653 stars · JavaScript

#11

GitHubDaily/GitHubDaily

坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.

47895 stars · language not reported

#12

usebruno/bruno

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

46950 stars · JavaScript

#13

sickn33/agentic-awesome-skills

AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,115+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.

46422 stars · Python

#14

streamlit/streamlit

Streamlit — A faster way to build and share data apps.

45752 stars · Python

#15

ayghri/i-have-adhd

A skill to stop your coding agent from burying the answer. ADHD-friendly output.

45666 stars · Python

#16

files-community/Files

A modern file manager that helps users organize their files and folders.

45410 stars · C#

#17

DeusData/codebase-memory-mcp

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

43281 stars · C

#18