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Catalogue

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Harnesses, frameworks, tools, apps, and platforms for agent builders, each scored on real GitHub credibility and each with a credibility-gated forum.

255 tools · showing 1–24

TypeScript ×
Platform

n8n

Coding

n8n-io

Workflow automation platform combining a visual canvas with custom code, self-hosted or cloud, with 1500+ integrations and AI agents

orchestrationagent-builderlocal-first

A+
Platform

OpenHands

CodingDeployment

OpenHands

Self-hosted control center running OpenHands, Claude Code, Codex, or any ACP agent across local, Docker, VM, and cloud backends

acpdockerclilocal-first

A+
Tool

Supabase

MemoryDeployment

supabase

Open-source Postgres development platform with auth, auto-generated APIs, realtime, storage, and a vector toolkit

postgresreal-timeauthpgvector

A+
Framework

Dify

Coding

langgenius

Open-source LLM app development platform combining a visual workflow canvas, RAG pipelines, agents, model management, and observability

productivityragagent-builderorchestrationobservability

A+
Tool

OpenMetadata

DeploymentMemoryMonitoring

open-metadata

You can see which pipeline wrote a table. You cannot see which agent read it. OpenMetadata, the open-source data catalog

knowledge-graphdata-lineagemcp-serverdata-quality

A+
Harness

Pi

Coding

earendil-works

Minimal, self-extensible terminal coding agent and harness with a multi-provider LLM API

coding-agent

A+
Tool

Chrome DevTools MCP

CodingInterfaceQA

ChromeDevTools

Chrome DevTools for coding agents

browser-automationmcp-serverchromedebugging

A+
Tool

Playwright

InterfaceQA

microsoft

Drives Chromium, Firefox, and WebKit through one API for e2e tests, scripts, and AI-agent automation via MCP or CLI

browser-automationchromefirefox

A+
Tool

Puppeteer

InterfaceQA

puppeteer

JavaScript library that drives Chrome or Firefox over the DevTools Protocol or WebDriver BiDi, headless by default

browser-automationheadless-chromewebdriver-bidiscrape

A+
Framework

AI SDK

CodingInterface

vercel

TypeScript toolkit for LLM calls, tool use and multi-step agent loops.

streamingtool-callinggenerative-uimulti-provider

A+
Harness

OpenCode

Coding

sst

Open-source AI coding agent that runs in the terminal, an IDE, or a desktop app

clidesktopmulti-agentide

A+
Tool

Supermemory

CodingMemory

supermemoryai

Supermemory is broader than mem0, Engram, Graphiti, or CocoIndex. Those solve storage, coding-agent notes, temporal fact

ragknowledge-graphcontext-enginelocal-first

A+
Tool

Activepieces

Connectors

activepieces

Open-source Zapier alternative with a TypeScript pieces framework whose integrations double as MCP servers for LLMs

productivityorchestrationagent-buildermcp-server

A+
Platform

InsForge

CodingMemoryQA

InsForge

The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting,

backend-as-a-servicepostgrespgvectorauth

A+
Tool

LangChainJS

Coding

langchain-ai

TypeScript framework for building LLM apps by chaining models, tools, and integrations behind a standard interface

langchaintypescript-sdktool-callingrag

A+
Tool

Langfuse

MonitoringQA

langfuse

Open-source platform for tracing, evaluating, and debugging LLM applications, self-hosted or cloud

observabilityevaluationpromptlocal-first

A+
Framework

Mastra

CodingMemoryQA

mastra-ai

TypeScript framework for AI agents and apps, with model routing, graph-based workflows, memory, and built-in evals

orchestrationragnextjs

A+
Tool

Midscene

QAInterface

web-infra-dev

Vision-driven UI automation that acts from screenshots and natural-language steps across web, mobile, and desktop

playwrightcomputer-usemobile-automationvision-language-model

A+
Tool

Oh My Codex

CodingInterface

Yeachan-Heo

OmX - Oh My codeX: Your codex is not alone. Add hooks, agent teams, HUDs, and so much more.

multi-agentcodexskillplugin

A+
Tool

OpenDesign

CodingInterface

nexu-io

The open-source Claude Design alternative

ui-designdesign-systemdesktoplocal-first

A+
Tool

OpenLIT

MonitoringSecurity

openlit

Open-source AI engineering platform with OpenTelemetry-native LLM observability, evaluations, and prompt management

telemetryevaluationpromptguardrails

A+
Tool

Testsprite CLI

InterfaceQA

TestSprite

The verification layer for the agentic coding era. AI ships code in minutes — verifying it hasn't. testsprite opens your live app, uses it like a real user, and shows your coding agent exactly what broke.

playwrightbrowser-automationclicoding-agent

A+
Framework

Trigger.dev

CodingDeployment

triggerdotdev

Open-source TypeScript platform for long-running, durable agent and workflow tasks with retries, queues and replay.

orchestrationdurable-executioncronsdk

A+
Tool

Firecrawl

Research

firecrawl

Web data API that searches, scrapes, and crawls sites into clean markdown or structured JSON for agents

scrapemarkdownweb-crawlerstructured-data

A+