189 sites found
Real-time socket communication platform for web applications.
Uiverse is an open-source library of community-contributed UI elements that allows developers to bro...
CSSgradient.io is a free web-based tool that enables developers to visually design, customize, and g...
Bitwarden is an open-source password manager that provides a secure way for individuals and organiza...
The Accessibility Developer Guide provides developers with practical code examples and clear documen...
Regex101 is a comprehensive online platform designed for building, testing, and debugging regular ex...
Pattern.css is a lightweight, CSS-only library that enables developers to add a variety of stylish b...
Text-Compare is a free web-based utility that allows users to compare two pieces of text side by sid...
Blockbench is an open-source 3D modeling and animation suite specifically optimized for creating low...
Actual Budget is a free, open-source personal finance application that utilizes the envelope budgeti...
Squoosh is an advanced image compression web application that allows users to significantly reduce f...
MDN Web Docs is a premier open-source documentation platform providing in-depth technical informatio...
Open Broadcaster Software is a free and open-source solution for high-performance video recording an...
Joplin is a secure, open-source note-taking and to-do application that allows you to capture your th...
Google Drive is a cloud-based storage and collaboration platform that allows users to store files se...
Laws of UX is an educational resource that curates a collection of psychological principles and desi...
Modyfi is an AI-native design platform that integrates vector, raster, and generative tools into a s...
LaMetric provides a versatile smart clock that displays real-time notifications, weather updates, an...
CodePen is an online social development environment that enables front-end designers and developers ...
AFFiNE is a unified, open-source workspace that combines document editing, visual whiteboarding, and...
Pencil 2D Animation is a free, open-source software designed for creating traditional hand-drawn ani...
VSCodium is a community-driven, open-source build of Microsoft's Visual Studio Code that strips out ...
Open 3D Engine (O3DE) is a modular, open-source 3D engine designed for building high-performance gam...
FreeCAD is a versatile, open-source parametric 3D modeler designed for engineering, product design, ...
As the world's largest software registry, npm serves as the essential package manager for JavaScript...
JSONLint is a free online validator and reformatter that helps developers debug, beautify, and valid...
GitHub is a leading cloud-based platform that provides version control and collaboration tools for s...
Convex is a comprehensive backend-as-a-service platform that enables developers to build real-time, ...
Fiverr is a global online marketplace that connects businesses with freelance professionals offering...
Lottielab is an intuitive web-based animation tool that allows designers to create, edit, and export...
Warp is a high-performance, Rust-based terminal emulator that integrates AI and collaborative featur...
Super Simple Server is a lightweight, all-in-one program that enables users to host websites directl...
Hastebin provides a clean, open-source platform for developers to quickly share code snippets and te...
Douiri - Corner Inverter is a specialized developer tool that simplifies the creation of inverted co...
Easing Wizard is a free online tool for designing and previewing custom CSS easing functions, includ...
Checklist Design provides a comprehensive collection of curated UI and UX checklists to help designe...
Dendron is a powerful, hierarchical note-taking system built into VS Code that helps users organize,...
MIT OpenCourseWare provides free, open access to high-quality educational materials and lectures fro...
Ladybird is a completely independent, non-profit web browser being built from the ground up with its...
IINA is a modern, open-source media player for macOS that combines a sleek, native interface with po...
MyDrive is an open-source, self-hosted cloud storage platform built with Node.js and MongoDB that of...
Lichess is a free and open-source online chess platform that allows users to play, learn, and analyz...
Godot is a free, open-source game engine that provides a comprehensive suite of tools for developing...
LibreTranslate is a free and open-source machine translation API that enables developers to self-hos...
LeetCode is a premier online platform that provides a vast collection of coding challenges and techn...
S&box is a versatile game engine and creative platform developed by Facepunch Studios that empowers ...
OpenToonz is a professional, open-source 2D animation software suite that allows artists to create h...
Cyberduck is a versatile, open-source file transfer client for Windows and macOS that supports vario...
Notepad++ is a free, open-source text and source code editor for Windows that supports numerous prog...
HackerRank is a technical skill-building platform where developers solve coding challenges and parti...
Snapdrop is a web-based utility that enables instantaneous, cross-platform file sharing between devi...
Krita is a professional-grade, open-source digital painting application designed for illustrators, c...
Wormhole is a secure web utility that allows users to share files up to 10 GB using end-to-end encry...
ClipGrab is a free, open-source utility that allows users to download and convert videos from major ...
Nextcloud is an open-source, self-hosted productivity platform that offers secure file storage, sync...
Piskel is a free, open-source tool designed for creating pixel art and animated sprites through a us...
Mathway is a comprehensive digital math solver that provides instant, step-by-step solutions for a w...
MagicaVoxel is a free, lightweight 3D modeling tool specifically designed for creating, editing, and...
ShareX is a free, open-source Windows utility that provides advanced screen capture, file sharing, a...
Replit Teams for Education is a browser-based collaborative coding platform designed to help teacher...
FontForge is a powerful open-source font editor that allows users to create, edit, and convert typef...
Favicon Video is a specialized developer tool that enables users to transform GIF animations into dy...
Nautilus is a literary science magazine that explores the deep connections between scientific concep...
Kthoom is an open-source, browser-based comic book reader that allows users to view digital archives...
MakeHuman is a free, open-source software platform that enables users to create highly detailed and ...
Aseprite is a specialized pixel art and animation software that provides creators with a comprehensi...
Blender is a free and open-source 3D creation suite that supports the entire 3D pipeline, including ...
Sindre Sorhus provides a curated collection of high-quality, minimalist utility applications designe...
PortableApps provides a vast collection of free, open-source Windows software that runs directly fro...
Project Gutenberg is a premier digital library offering over 70,000 free eBooks, primarily focusing ...
Addy Codes Toolkit is a comprehensive, curated directory of essential web development resources and ...
ANDI is a lightweight browser bookmarklet that enables developers and testers to inspect web pages f...
This comprehensive guide offers a curated collection of C++ coding standards and best practices desi...
30 Seconds of Code provides a curated collection of concise programming snippets and tutorials desig...
Bulk Downloader for Reddit is a powerful Python-based command-line tool designed to download and arc...
PDF Candy provides an all-in-one online platform for converting, editing, and managing PDF documents...
HTTrack is a free, open-source utility that allows users to download entire websites to a local dire...
Dolphin Emulator is a versatile open-source platform that allows users to play GameCube and Wii game...
FutureLearn provides a global platform for high-quality online courses, microcredentials, and degree...
Blaze is a browser-based utility that enables instant peer-to-peer file transfers between devices wi...
Templated provides a comprehensive library of free, responsive HTML5 and CSS3 website templates desi...
Lucide is an open-source icon library that offers over 1,600 customizable, high-quality SVG icons de...
Element is a secure, open-source messaging and collaboration platform built on the Matrix protocol t...
Discuit is a community-driven, open-source social platform that provides an ad-free and user-focused...
OpenStax is a nonprofit initiative by Rice University that provides free, peer-reviewed, and openly ...
Asahi Linux is an ambitious open-source project dedicated to porting the Linux operating system to A...
PlayIt.gg provides a seamless global proxy service that allows users to host game servers and applic...
Driver Easy is a professional utility tool designed to scan, identify, and update outdated or missin...
Whisper.cpp is a high-performance, lightweight C/C++ implementation of OpenAI’s Whisper model that e...
Immich is a self-hosted, open-source photo and video management solution that provides full control ...
JDownloader is a free, open-source download manager that simplifies downloading files from numerous ...
Pure Data is an open-source visual programming language that empowers artists and musicians to creat...
Obsidian is a versatile knowledge management and note-taking application that allows users to build ...
Monitor Control is a free, open-source utility for macOS that allows users to manage external displa...
Programming Fonts is a curated interactive gallery that enables developers to preview and compare a ...
DockDoor is an open-source macOS utility that streamlines productivity by allowing users to create, ...
MacType is an open-source font rendering engine for Windows that enhances text clarity and aesthetic...
PDFescape is a comprehensive web-based utility that allows users to edit PDF documents, fill out for...
TinkerTool is a free macOS utility that provides access to hidden system settings and advanced custo...
Wine is a compatibility layer that enables Linux, macOS, and BSD users to run Windows applications n...
Ninite is a bulk software installer for Windows that automates the installation and updating of mult...
MuseScore is a free, open-source music notation software that enables users to create, play, and pri...
Open Moonray is an open-source, high-performance rendering engine designed for creating photorealist...
Jellyfin is a free, open-source media server that allows you to host, manage, and stream your person...
PeerTube is a decentralized, open-source video hosting platform that utilizes peer-to-peer technolog...
Audiobookshelf is an open-source, self-hosted media server designed for organizing and streaming per...
Tempo is a self-hosted weather API that leverages ECMWF data to provide colorized WebP weather maps,...
Aerial is a free, open-source screensaver for macOS that displays breathtaking high-resolution aeria...
iStat Menus is a comprehensive macOS utility that provides real-time system monitoring and performan...
BetterDisplay is a versatile macOS utility that unlocks advanced display management capabilities, in...
Shutter Encoder is a free, open-source media transcoder that provides video editors with a powerful ...
Scribus is a powerful, open-source desktop publishing tool designed for creating professional-grade ...
Joy-Con Toolkit is a comprehensive Windows utility designed to customize internal hardware colors an...
Mac Mouse Fix is a lightweight macOS utility that enhances third-party mice with customizable button...
Tor Browser is a free, open-source utility designed to protect user privacy and anonymity by routing...
Is It Down Right Now provides real-time status checks to help users determine if a website is experi...
CronMaster is a self-hosted web application that simplifies cron job management through a clean and ...
Nextdoor is a hyperlocal social networking platform that connects neighbors to share information, of...
Dropbox provides a secure cloud-based platform for storing, sharing, and collaborating on files acro...
Draw.io is a versatile, web-based diagramming tool that enables users to create professional flowcha...
Pixel Composer is a node-based visual effects editor designed for pixel art that offers a non-destru...
MCA Selector is a specialized external tool for Minecraft Java Edition that allows users to manage t...
PixelFed is a decentralized, open-source photo-sharing platform that offers a privacy-conscious and ...
Stanford Online provides global access to Stanford University's educational offerings, including fre...
Tails is a portable, security-focused operating system designed to preserve user privacy and anonymi...
FreeTube is an open-source desktop application for Windows, macOS, and Linux that allows users to wa...
Mumble is a free, open-source voice-over-IP application providing high-quality, low-latency communic...
Org-mode is a versatile plain-text system for note-taking, task management, and project planning des...
Windows Layout Snapshot is a lightweight utility that automatically captures and restores your windo...
Bulk Rename Utility is a robust Windows tool that enables users to rename large batches of files and...
Raw Therapee is a comprehensive, open-source raw image processing application that provides photogra...
The Noba Project is an open-access platform that provides free, high-quality psychology textbooks an...
Microsoft PowerToys is a suite of open-source system utilities designed to help power users tune and...
SimpleLogin is an open-source email alias service that protects your online privacy by allowing you ...
Excalidraw is a collaborative, open-source virtual whiteboard that enables users to create hand-draw...
Scratch is a free visual programming language and online community that empowers children to create ...
Khan Academy provides a comprehensive library of free online courses, interactive exercises, and ins...
I Love PDF is a comprehensive online platform that provides a versatile suite of tools for merging, ...
Handbrake is a free and open-source video transcoder that allows users to convert video from nearly ...
Logseq is a privacy-focused, open-source knowledge management platform that utilizes a networked out...
YT-DLP is a powerful command-line utility that enables users to download high-quality video and audi...
SVGOMG is a powerful web-based graphical interface for SVGO that allows users to optimize and compre...
PhET Interactive Simulations provides a vast collection of free, research-based interactive models f...
MAT2 is a powerful open-source command-line tool and library designed to protect user privacy by rem...
KiCad is a free, open-source software suite for electronic design automation that enables users to c...
GIMP is a professional-grade, open-source image manipulation program used for high-quality photo ret...
Syncthing is a secure, open-source file synchronization tool that enables users to seamlessly share ...
Photoview is a high-performance, self-hosted photo gallery that organizes your personal media collec...
Dawarich is a self-hosted web application that allows you to import, visualize, and maintain full ow...
Video2X is a powerful open-source framework designed to enhance video quality through machine learni...
Waifu2x Extension GUI is a powerful, open-source Windows application that utilizes advanced deep lea...
Open Speed Test is a free, open-source HTML5 tool that measures internet connection performance dire...
DataHub is a comprehensive platform for discovering, sharing, and managing high-quality open dataset...
ntop provides high-performance, real-time network traffic monitoring and analysis tools designed to ...
KeepTrack is an advanced open-source utility that provides real-time tracking and visualization for ...
SOYO is a free and open-source web interface that transforms your home computer into a personal stre...
Line Awesome is a free, open-source collection of vector-based line icons designed as a modern, drop...
VDO.Ninja is a free, open-source web tool that enables high-quality, ultra-low-latency video and aud...
Earth.Nullschool is an interactive 3D visualization platform that displays real-time global weather ...
AutoRaise is a lightweight macOS utility that implements focus-follows-mouse functionality by automa...
OmniTools by iib0011 is a self-hosted collection of fast, privacy-focused web utilities designed to ...
Pi-hole is a network-wide ad blocker that functions as a DNS sinkhole to protect all your devices fr...
Radiola is a free, open-source internet radio player for macOS that provides a streamlined way to di...
Furnace is a versatile multi-system chiptune tracker designed for composing authentic retro music ac...
Inkscape is a free, open-source vector graphics editor that provides professional-grade tools for cr...
Rocket.Chat is a secure, open-source communication platform that enables organizations to collaborat...
Soulseek is a free, ad-free peer-to-peer file-sharing network specifically designed to help music en...
PaulXStretch is a powerful audio processing tool designed for extreme time-stretching and the creati...
Rufus is a lightweight, open-source utility designed to format USB flash drives and create bootable ...
BLE Unlock is an open-source macOS utility that automatically locks and unlocks your computer based ...
arXiv is a leading open-access repository that provides free access to scholarly articles in fields ...
AudioMass is a free, open-source web application that provides a full-featured environment for recor...
MediaInfo is a free, open-source utility that provides comprehensive technical and metadata informat...
VLC Media Player is a free, open-source, and cross-platform multimedia player capable of playing vir...
CloudConvert is a versatile online platform that enables users to convert files between more than 20...
Online-Convert provides a comprehensive web-based platform for transforming a vast array of media, d...
PrivateBin is a minimalist, open-source online pastebin that ensures complete privacy by encrypting ...
OpenCore Legacy Patcher is a specialized utility that enables users to install and run modern versio...
LMMS is a free, open-source digital audio workstation that enables users to compose, sequence, and m...
LibreOffice is a free and open-source office productivity suite that provides powerful tools for wor...
Thunderbird is a free, open-source communication suite that integrates email, calendaring, and conta...
LosslessCut is a cross-platform, open-source utility that allows users to quickly trim and cut video...
Storyboarder is a free, open-source tool that enables creators to quickly visualize their stories th...
Audacity is a free, open-source digital audio editor and recording software that provides profession...
Organic Maps is a free, open-source navigation app that offers fast, privacy-focused offline maps an...
Subtitle Edit is a comprehensive, free, and open-source utility designed for creating, synchronizing...
OpenStreetMap is a collaborative, community-driven project that provides free and editable geographi...
CORE aggregates millions of open access research papers from global repositories to provide a centra...
An open source simulation game based on the classic Transport Tycoon Deluxe, OpenTTD extends the ori...