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Letta
Letta is an open AI platform for building stateful agents with advanced memory, learning, and self-improvement capabilities. It enables the creation of intelligent agents that remember, adapt, and evolve over time.
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Explore our curated collection of the best free open source tools for developers. Find everything you need to build, test, and ship your projects.
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Chroma
Chroma is an open-source search and retrieval database designed specifically for AI applications. It enables efficient vector storage, similarity search, and large-scale retrieval necessary for modern machine learning and LLM-powered projects.
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ECharts
Apache ECharts is a powerful, interactive charting and data visualization library for the browser, providing a wide range of chart types and features for beautiful data representation.
Visualization Web JavaScript
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A collaborative list of companies with modern, transparent hiring processes, specifically those that do not use whiteboard interviews. This resource empowers job seekers to find organizations that prioritize practical assessments and candidate-centric recruitment.
Best Practices Learning & Career Development
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Logseq
Logseq is a privacy-first, open-source platform designed for knowledge management and collaboration, focusing on providing a secure and effective tool for organizing and sharing information.
Documentation Productivity Tools Self-Hosted
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Bun
Bun is an incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one tool.
Development JavaScript Node.js Tools
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Authelia
Authelia is a Single Sign-On Multi-Factor Authentication portal for web apps, providing secure and streamlined access management.
Authentication Security DevOps
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Mikro-ORM
A TypeScript ORM for Node.js, implementing Data Mapper, Unit of Work, and Identity Map patterns. Compatible with MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL, and SQLite/libSQL databases.
Development Database TypeScript Node.js
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Copyparty
Copyparty is a portable, all-in-one file server solution that supports accelerated and resumable uploads, efficient deduplication, WebDAV, FTP, TFTP protocols, media indexing, automatic thumbnail generation, and more. It is designed for ease of use with zero dependencies in a single file.
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Discourse
Discourse is a platform for community discussion that is free and open source, enabling users to create discussion forums with ease.
Web Development Tools
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Waha
WAHA is a versatile WhatsApp HTTP REST API that can be configured easily and supports three engines: WEBJS (browser based), NOWEB (websocket Node.js), and GOWS (websocket Go), making WhatsApp integration flexible and fast.
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Godot
Godot Engine – A comprehensive, multi-platform 2D and 3D game engine, ideal for game developers of any skill level.
Development Game Development Tools Framework
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OpenAI Cookbook
A comprehensive guide with examples for using the OpenAI API effectively.
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Model Context Protocol Servers provide a framework for managing and deploying machine learning models effortlessly across various environments.
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A fancy, easy-to-use, and reactive self-hosted Docker Compose YAML stack-oriented manager, designed to simplify Docker container management.
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RAGFlow
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Glow
Glow is a command-line tool that renders Markdown files directly in your terminal with stylish formatting and rich display, making it easy to view and interact with Markdown content on the CLI.
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Robin
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A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
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The monorepo home to all of the FormatJS related libraries, including the widely used react-intl for internationalizing web applications.
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Upscayl is the #1 free and open-source AI image upscaler for Linux, MacOS, and Windows, providing enhanced image resolution and clarity.
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Eigent
Eigent is the world's first multi-agent workforce platform designed to significantly boost personal and team productivity using AI agents that automate, coordinate, and optimize a wide range of tasks.
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Valtio
Valtio makes proxy-state management simple for React and Vanilla JavaScript applications.
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Zustand is a small, fast, and scalable state management library for React applications, providing a minimalistic and intuitive API.
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