Open source alternatives to Arpeggio.space

cptn.io

Open Source Integration and Data Platform

Mockoon

Create, run, and share mock REST APIs without coding

Scalar

Scalar is an open-source tool for building, customizing

NanoSkill AI

Discover Marketing Agent Skills for real workflows

Posthive

Schedule and publish content across 11 social platforms from a single composer

HuntScreens

Visually discover the latest products across PH, IH & YC

Directus

Data platform which wraps any database with an intuitive app

Pushpin

Reverse proxy for realtime APIs

OneUptime

All-in-one solution for uptime monitoring, incident management

Pearl

Connect all your apps through Pearl, an AI assistant

Rakazo

Run persistent AI bots that sign into your tools, complete tasks autonomously

Muvon

We build MVPs for startups (websites, apps, etc.)

Paymenter

Automate subscriptions and manage payments

Milestone Clip

Turn GitHub milestones into social videos

BugPin

Embeds a lightweight widget into web apps

Meilisearch

Typo tolerant search engine

Frontman

Open-source AI coding agent that runs in your browser

UnoPim

Open source Product Information Management system

Chalk.ist

Turn your source code into beautiful images

Aide

AI-Native Developer Tools

Chobble Tickets

Sell tickets for £50/year with payments, QR check-in, refunds, reporting

IconScout

14.6M+ 3D Icons, Lottie Animations, SVG Icons & Vector Illustrations

FortyOne

The Open Source Agentic Project Management Platform

LinkStack

A free, open-source link management platform

Portkey

Full-stack LLMOps platform to monitor, manage, and improve LLM-based apps