OpenProject is the leading open source project management software.

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.

The easiest, and most secure way to access and protect all of your infrastructure.

Modern observability platform: 10x easier, 140x lower storage cost, petabyte scale. Open-source alternative to Elasticsearch/Splunk/Datadog for logs, metrics, traces, RUM, and more.

Kanban board to manage your AI coding agents

Grab your own sweet-looking '.is-a.dev' subdomain.

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　…

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Secure environments for developers and their agents

A graphical server OS optimized for self-hosting

ToolJet is the open-source foundation of ToolJet AI - the AI-native platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Build like a team of hundreds_

Penpot: The open-source design tool for design and code collaboration

PixiEditor is a Universal Editor for all your 2D needs

The swiss army knife of lossless video/audio editing

Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

🔥 🔥 🔥 Open Source Airtable Alternative

💾 Self-hosted online file converter. Supports 1000+ formats ⚙️

An open-source, self-hostable PaaS alternative to Vercel, Heroku and Netlify that lets you easily deploy static sites, databases, web applications and more than 280 one-click services on your own s…

SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, for billions of files! Blob store has O(1) disk seek, cloud tiering. Filer supports Cloud Drive, xDC replica…

Cockpit is a web-based graphical interface for servers.

Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

🦍 The Cloud-Native Gateway for APIs & AI

My additions (and of others) to it-tools! (Collection of handy online tools for developers, with great UX. )

🤖 The free, Open Source alternative to OpenAI, Claude and others. Self-hosted and local-first. Drop-in replacement for OpenAI, running on consumer-grade hardware. No GPU required. Runs gguf, transf…