Openpanel
Open-source Mixpanel alternative with session replay, funnels, cohorts and built-in MCP tools for Claude/Cursor.
Best Open Source Builds on X
13 projects tagged Open Source, curated by humans. Every build links to a live demo or the original post on X.
Amicro – Micro Interactions Library
Open-source curated library of premium micro-interactions and transitions for React, installable via CLI.
Eliza / elizaOS
Fully open-source agent operating system that runs on mobile, desktop and web with voice + chat control.
Gemma Offline Translator
Fully offline portable translator running Gemma on a Raspberry Pi 5 inside a custom 3D-printed case.
Open Source Agentic CRM
Fully open-source agentic CRM built as a modern alternative to expensive SaaS tools. MIT licensed.
Polygres – Billion Token Context
Open-source tool that gives frontier models effective 100M–1B token context by using a graph-based retrieval system.
SeedTapper – Air-gapped Seed Engraver
Open-source air-gapped machine (Pi 5 + fiber laser) that engraves Bitcoin seed plates in titanium.
Kimi Code CLI
Open-source Claude Code alternative by Moonshot. Free, MIT licensed, with screen recording support and built-in planner.
Phone Video → 3D World
Open-source tool that turns any phone video into a full walkable 3D world in real time, running 100% locally.
ElRobot – Affordable Robot Arm
7+1 DOF fully 3D-printable robot arm that costs around $220, complete with CAD and build guide.
Toolcraft – Designer Micro-App Kit
Open-source starter kit + UI component library + AI skills for building micro-apps for designers.
x402 Agentic Payment Modal
Drop-in payment modal that lets any agent or endpoint accept micropayments using the x402 protocol.
Open Source 3D-Printed AI Robot
Fully open-source expressive robot with object tracking and support for multiple AI models. STL + code released.
