Free Dev & Tech Tools

A curated collection of genuinely free tools that can save you time and money โ€” no hidden costs, no gimmicks.

โš ๏ธ Note: Please note that card icons serve as category indicators and do not reflect the actual icons of the associated apps or products.
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TOOL DESCRIPTION
๐Ÿค– AI Agent
An open-source, self-improving autonomous AI agent designed for persistence and memory, capable of learning and creating its own skills over time.
An open-source, autonomous AI agent that runs locally to automate tasks, manage files, and act as a proactive personal assistant.
An open source agent that helps you write code in your terminal, IDE, or desktop.
Your personal AI super intelligence. Private, simple and extremely powerful.
An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
Build and run agents you can see, understand and trust.
The open-source multimodal AI agent stack connecting cutting-edge AI models and agent infrastructure.
An open-source, autonomous AI agent system designed for writing, auditing, and revising long-form novels.
An open-source framework for agentic video generation, acting as a director, screenwriter, and producer.
An open-source, local-first AI coworker that builds a living knowledge graph from your work sources (Gmail, calendar, transcripts) and stores data locally as Markdown files.
An open-source SuperAgent framework by ByteDance designed to orchestrate sub-agents, memory, sandboxed code execution, and extensible skills for long-horizon tasks.
๐Ÿค– Artificial Intelligence
A browser-based tool that automatically detects your hardware and estimates which AI models can run locally on your system.
Create videos programmatically using React.
An AI-powered website that recommends movies based on the mood you're in, searching across all your streaming platforms.
Uses artificial intelligence to generate eerily realistic images of people who don't actually exist.
Kimodo is a kinematic motion diffusion model trained on large-scale optical mocap data. It is controlled through text and constraints to generate high-quality 3D human and robot motions.
A highly powerful, modular, and node/graph-based GUI pipeline for Stable Diffusion, enabling custom AI image and video generation workflows.
An optimization tool that enables running massive Large Language Models (like Llama 3 70B/405B) on consumer-grade hardware with extremely low VRAM.
An open-source, AI-powered text-to-CAD application that runs entirely in the browser using WebAssembly to generate parametric 3D models from prompts and images.
๐ŸŽจ Creative Tools
A free, web-based alternative to Photoshop that runs in your browser and supports .psd files.
A powerful, open-source desktop image manipulation program for those who need an offline Photoshop alternative.
Professional-grade open-source 3D creation suite for modeling, animation, and video editing.
A professional-level video editing software with a robust free version used by Hollywood editors.
A professional-quality vector graphics editor (similar to Adobe Illustrator) that is completely free and open-source.
A professional-grade painting program designed by artists for artists. It is excellent for concept art, texture and matte painting, and illustrations.
The industry standard for free, open-source, cross-platform audio software for multi-track editing and recording.
A web-based design tool that makes it incredibly easy to create social media graphics, presentations, and posters using thousands of free templates.
A completely free and open-source design and prototyping platform. It's a fantastic alternative to Figma that runs in your browser.
A free, open-source, cross-platform video editor with no watermarks or premium features locked away.
A highly capable, completely free online diagramming and flowchart tool with no premium tiers.
A free, open-source, and markerless 3D motion capture system that translates video from standard cameras or webcams into 3D animation data.
An open-source, local-first alternative to Anthropic's Claude Artifacts design tool, using your local AI coding agents to generate web prototypes and designs.
๐Ÿ“š Education & Knowledge
Offers comprehensive free courses on subjects ranging from basic math to college-level sciences.
Direct access to actual course materials and lectures from top-tier universities.
A free, full-stack coding curriculum designed to take you from zero to a job-ready developer.
A popular app for learning dozens of languages through gamified lessons.
A site that provides free access to millions of scientific research papers that are often hidden behind expensive paywalls.
Often considered more accurate than Google Translate for European languages, it uses neural networks to provide more natural-sounding translations.
An "educational search engine" that computes answers for math, science, and history questions rather than just providing a list of links.
A free, easy-to-use tool to help you collect, organize, cite, and share research sources. Itโ€™s a must-have for students and researchers.
A website offering community-maintained roadmaps designed to help developers plan their learning journeys and track necessary skills.
A free online learning platform by The Open University offering course materials, articles, and interactive content across various subjects.
An interactive experience that allows users to explore the immense range of sizes in the universe, from subatomic particles to galaxies.
Explore galaxies, star clusters, and nebulae at your fingertips through a stunning interactive 3D visualization.
An online IoT and Embedded System Simulator for ESP32, STM32, Arduino, Raspberry Pi Pico, and more.
๐Ÿ“… Productivity & Organization
A powerful, private note-taking app that uses local Markdown files. Itโ€™s excellent for building a personal "second brain" and connecting ideas through a graph view.
An all-in-one workspace for notes, tasks, wikis, and databases. The personal tier is free and highly customizable for project management.
A highly-rated, open-source password manager. The free version offers unlimited password storage and syncing across all your devices.
A visual project management tool using boards, lists, and cards. It is great for organizing personal projects or simple team workflows.
The definitive free and open-source alternative to Microsoft Office, including a word processor, spreadsheet tool, and presentation software.
A free and open-source office suite that offers high compatibility with Microsoft Office documents, spreadsheets, and presentations.
A lightweight and feature-rich free office suite that includes a word processor, spreadsheet tool, presentation software, and PDF editor.
A powerful, completely free, and open-source e-book manager allowing you to view, convert, and catalog ebooks.
A fantastic, purely local/offline open-source password manager without any cloud-sync tracking.
๐Ÿ“– Digital Libraries & Content
A massive digital library where you can access vintage video games, live music recordings, movies, and the "Wayback Machine."
These apps allow you to borrow ebooks, audiobooks, and movies for free using just a local library card.
A library of over 70,000 free ebooks, focusing on older works for which the U.S. copyright has expired.
A "shadow library" search engine for books, papers, and comics.
โš™๏ธ Utilities & System Tools
A "Swiss Army Knife" website that offers free tools for PDF manipulation, image editing, video conversion, and AI writing without requiring a login.
Install or update dozens of essential apps (like Chrome, Zoom, and VLC) all at once with a single installer, skipping all the "junk" offers.
Widely considered the most efficient and lightweight ad blocker for browsers like Firefox and Chrome.
Cleans up webpages by removing ads and navigation bars, allowing you to save a clean PDF version of any article.
A high-quality background noise generator for focus, sleep, or masking office noise.
A versatile, open-source media player that can play almost any video or audio file format without needing extra codecs.
A lightweight, open-source file archiver with a high compression ratio. Itโ€™s a completely free alternative to WinRAR or WinZip.
Quickly scans your hard drive to show you exactly which folders and files are taking up the most space using a visual hierarchy.
An open-source video transcoder that allows you to convert video from nearly any format to a selection of modern, widely supported codecs.
A powerful and free keyboard customizer for macOS. Remap any key, create complex modification rules, and build a fully personalized keyboard layout.
A free, elegant window manager for macOS. Use a radial menu or keyboard shortcuts to snap windows into any layout instantly.
Unlock extra display controls on macOS โ€” manage brightness, resolution, and HiDPI scaling for any monitor, including non-Apple displays.
A handy Mac App Store app that keeps your Mac awake on demand โ€” great for presentations, downloads, or any task where sleep mode gets in the way.
Test drive popular Linux distributions completely free in your browser without the hassle of installing them or creating boot drives.
A completely free, lightweight, open-source program for creating bootable USB drives from ISO files.
A free and open-source alternative to CCleaner that rapidly frees up disk space and protects your privacy by clearing junk files.
A desktop search engine for Windows that locates files and folders by filename instantly, surpassing default OS searches in speed.
๐Ÿ”’ Privacy & Security
One of the few reputable VPNs with a "no-logs" policy that offers a truly free tier with unlimited data (though limited to specific server locations).
A website where you can upload suspicious files or URLs to have them scanned by over 70 different antivirus scanners and URL/domain blacklisting services.
Allows you to create "virtual" debit cards for online shopping. This keeps your real banking information private and lets you set spending limits or "burn" cards after one use.
A free online service to check if your email addresses or passwords have been compromised in data breaches.
Provides you with a temporary email address that expires after 10 minutes to protect your real address from spam.
An open-source desktop YouTube player built with privacy in mind. Watch videos without advertisements or being tracked.
A continuous file synchronization program that securely sends files directly between devices without third-party cloud tracking.
A complete, privacy-focused local Network Video Recorder (NVR) with real-time local AI object detection for IP cameras, designed to integrate with Home Assistant.
๐Ÿ’ก General Life Hacks
Search for "unclaimed property" (like old utility deposits or uncashed checks) that the government may be holding for you.
An app that gives you small amounts of Google Play or PayPal credit for answering short surveys.
Input whatever ingredients you have in your fridge, and the site suggests recipes you can make immediately.
An interactive treasure map for traditional foods and authentic restaurants around the globe, featuring local ingredients and authentic recipes.
Spin a virtual globe and listen to actual live radio stations from anywhere in the world instantly.
Simulates the experience of driving through different cities around the world while listening to local radio stations.
Channel surf through virtual TVs from the 60s, 70s, 80s, 90s, or 00s and relive pop culture classics.
Randomly generates Google Street View locations from around the world for you to explore new and unfamiliar territories.
A collection of useless websites that serve no purpose other than to entertain and waste your time.
๐Ÿ› ๏ธ Developer Tools & Editors
Microsoft's free, open-source code editor with built-in Git support, debugging, IntelliSense, and a massive extension ecosystem.
A fully-featured, free IDE from Microsoft for individual developers, open-source projects, and students. Ideal for .NET and C++ development.
A blazing-fast, open-source code editor built in Rust with built-in collaboration features and AI assistance.
A fast and easy-to-use local development environment for Windows, inspired by Laragon. Ideal for PHP, Node.js, and web development.
A lightweight binary local traffic controller that maps local development ports to clean domains with automatic SSL (HTTPS) and instant public sharing links.
A community-driven, nonprofit project that provides free domain name registration to remove financial barriers for developers and organizations.
๐ŸŽฎ Free Games & Resources
A massive marketplace for independent creators offering thousands of unique, free-to-play indie games.
Epic Games gives away at least one premium, high-quality PC game for free every single week.
A curated list of DRM-free classic and modern games available entirely for free on Good Old Games.
A completely free, ad-free, and open-source chess server where you can play against others or study tactics.
Play hundreds of popular board games online directly in your browser with players from all over the world.
A huge repository of old, classic video games (abandonware) from the 80s, 90s, and 00s that you can download and play for free.
An online flight simulator that lets you explore the world's airports and landscapes in stunning detail for free using satellite images.
Dive into over 600 classic DOS games right in your browser with cloud saves to pick up where you left off.
A cool mashup of a typing game and a space shooter where you type words to shoot down enemy ships.