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Developer Tools

1. ToggLit

ToggLit is a lean config management solution for developers. It allows you to manage environment-based JSON configurations with versioning, edge caching, and atomic rollbacks, accessible through a simple public endpoint. Key features include:**Remote Config Management:** Update configurations without redeploying your application.**Versioning & Rollbacks:** Track config changes and easily revert to previous versions.**Edge Caching:** Instantly deliver configurations with optimized performance.**Environment-Specific Configs:** Manage different configurations for various environments (dev, staging, production).Ideal for:Developers struggling with scattered .env files and hardcoded values.Teams seeking faster feature rollouts and reduced deployment cycles.Startups and small teams looking for a free and easy-to-use config management solution.ToggLit provides a single source of truth for your configurations, eliminating the need for full deployments for every config change and preventing production breaks due to inconsistent configurations.

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2. Spacedrive

IntroductionSpacedrive is a file manager that unifies files from all your devices and clouds into a single, easy-to-use explorer. Key features include:Unified File System: Combines local drives and cloud storage into one searchable database.Cross-Platform Access: Organize and explore files from any device.Tag-Based Organization: Use tags to categorize and quickly find files.Virtual File System (VDFS): Enables efficient storage and retrieval.Ideal for:Creators who need to manage large media libraries.Hoarders with extensive digital collections.Painfully disorganized individuals seeking better file management.Spacedrive offers a future-proof file management solution with its distributed filesystem and content addressable storage, providing a more efficient and organized way to handle your digital life.

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3. VT - Minimal AI Chat

Introducing VT Chat, a privacy-first AI chat application that keeps all your conversations local while providing advanced research capabilities and access to 15+ AI models including Claude 4 Sonnet and Claude 4 Opus, O3, Gemini 2.5 Pro and DeepSeek R1.In this version, VT+ users can now includes Gemini models & RAG without any GEMINI API KEY config. VT+ suscriber will now have unlimited access to Gemini Models (Gemini 2.5 Pro, Gemini 2.5 Flash) and Personal AI Assistant. Enjoy!Live: https://vtchat.io.vn | Source: https://github.com/vinhnx/vtchatThe core difference is true local-first architecture. All chats are stored in IndexedDB with zero server storage. Your API keys never leave your browser, and I can't see them even as the developer. You can switch between OpenAI, Anthropic, Google and other providers to compare responses, with complete data isolation for shared machines.I've added research features that I actually use daily: Deep Research does multi-step research with source verification, Pro Search integrates real-time web search, and AI Memory creates a personal knowledge base from your conversations. There's also document processing for PDFs, a "thinking mode" to see complete AI reasoning, and structured extraction to turn documents into JSON. AI-powered semantic routing automatically activates tools based on your queries.Built with Next.js 14, TypeScript, and Turborepo in a monorepo setup. Everything is fully open source for self-hosting with your own API keys. The hosted version keeps most features free, with optional VT+ for premium models and advanced research capabilities.Thank you for all your support!

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4. Kaizen Agent

Kaizen Agent is your AI agent’s built-in QA and improvement engine.It automatically generates test cases, executes them, identifies failures, and suggests or applies fixes to both code and prompts — all without human intervention.Whether you’re building retrieval agents, multi-turn assistants, or tool-using agents, Kaizen Agent continuously evaluates and enhances their behavior, architecture, and guardrails to improve reliability and generalization over time.No more manual testing. No more brittle prompts. Just better agents — on autopilot.

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5. NEXTDEVKIT

IntroductionNEXTDEVKIT is a full-stack OpenNext & Next.js SaaS starter kit designed to accelerate the development and deployment of production-ready SaaS applications. Key features include:Authentication: Built-in authentication system for user management.Payment Integration: Pre-configured payment processing capabilities.Database Support: Integrated database for data storage and management.Multi-Platform Deployment: Native support for Vercel, Cloudflare Workers, and AWS.Ideal for:SaaS founders and entrepreneursWeb developers seeking rapid prototypingTeams looking to streamline SaaS developmentNEXTDEVKIT offers a significant time-saving advantage by providing a comprehensive template that handles essential SaaS functionalities, allowing developers to focus on core product features and innovation.

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6. API Radar

API Radar is a real-time monitoring tool that scans public GitHub commits for accidentally exposed API keys—like OpenAI, Google, Anthropic, and others. Developers often leak credentials without realizing it, and API Radar helps catch those moments as they happen.The platform continuously analyzes newly pushed code, looking for patterns and signatures of API keys. When a leak is detected, the tool logs it in a live dashboard with metadata like repo name, author, commit timestamp, and type of key. This allows users to audit potential breaches, monitor trends, and react quickly before damage occurs.API Radar was built solo as a passion project, with the goal of making infosec more accessible to everyone—from indie hackers to enterprise engineers. It’s part of a growing wave of developer-first tools that put transparency and awareness first.

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7. Dirstarter

Build and launch profitable directory websites faster than ever with this comprehensive Next.js boilerplate. Skip months of development and start generating revenue immediately with built-in monetization features.Key features include:Multiple revenue streams - Earn through listings, featured spots, affiliate links, and adsStripe integration - Accept payments globally with seamless checkoutAI-powered content - Generate professional descriptions and category recommendationsSEO optimized - Built with best practices to rank higher in search resultsModern tech stack - Next.js 15, TypeScript, TailwindCSS, and Shadcn UIAdmin panel - Manage listings, users, and payments from one dashboardAuthentication system - Secure user registration and login functionalityBlog functionality - Drive organic traffic with built-in blogging featuresThe boilerplate comes with lifetime updates and email support. Choose from Basic ($149), Pro ($199) with priority support and Discord access, or Custom ($999+) with full setup service. Pay once, build unlimited directories - the code is yours forever.Perfect for entrepreneurs, developers, and businesses looking to create local directories, business listings, job boards, or niche marketplaces without starting from scratch.

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8. LLMs.txt File Generator

IntroductionLLMs.txt File Generator is a tool that converts website content into structured text files optimized for large language models. Key features include:Website Content Conversion: Quickly transforms website URLs into llms.txt files.Customizable Generation: Allows users to set generation depth and the number of pages to process.robots.txt and sitemap.xml Respect: Adheres to robots.txt protocol and utilizes sitemap.xml for efficient crawling.Ideal for:AI/ML Engineers: Streamlining data preparation for LLM training.Data Scientists: Enhancing data quality for model inference.Web Developers: Providing structured website data for AI applications.This tool solves the context window limitations of LLMs by providing condensed, core website information in a standardized format, enabling models to better understand and utilize website data.

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9. W.is Whois Lookup

IntroductionW.is Whois Lookup is a next-generation WHOIS lookup tool with a modern UI. It supports Domain, IPv4, IPv6, ASN, and CIDR WHOIS lookups. Key features include:Comprehensive Lookup: Supports various lookup types including Domain, IPv4, IPv6, ASN, and CIDR.Modern UI: Offers a user-friendly and intuitive interface for easy navigation.Efficient and Simple: Designed for quick and efficient WHOIS information retrieval.Ideal for:Network administratorsSecurity professionalsDomain investorsW.is Whois Lookup provides a simple and efficient way to access WHOIS information with a modern and intuitive user interface.

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10. IP.IM

IntroductionIP.IM is a free and fast IP address lookup and geolocation tool. Key features include:IP Geolocation: Quickly identify the country, city, region, and coordinates associated with any IP address.ISP & Organization Detection: Determine the Internet Service Provider (ISP) and organization owning the IP address.VPN Detection: Identify if an IP address is associated with a VPN.API Access: Integrate IP.IM's functionality into your own applications with simple API calls.Ideal for:Developers needing IP geolocation data for their applications.Security professionals investigating suspicious IP addresses.Website owners wanting to understand their audience's location.Anyone curious about the location of an IP address.IP.IM offers a fast, free, and accurate way to get detailed information about any IP address, making it a valuable tool for a wide range of users.

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