Инструменты, которые просто работают

Virtual whiteboard for sketching hand-drawn like diagrams

Open-Source API Development Ecosystem. Alternative to Postman, Insomnia

The open-source CapCut alternative

A privacy-first, open-source platform for knowledge management and collaboration

Free, simple, and intuitive online database diagram editor and SQL generator

Community-built comprehensive 2D content creation appplication for graphic design, digital art, and interactive real-time motion graphics powered by a node-based procedural graphics engine

Full-featured markdown editor

Ebook reader designed for immersive and deep reading experiences

High-performance In-browser LLM Inference Engine

Powerful, privacy-first, client-side PDF toolkit that is self hostable and allows you to manipulate, edit, merge, and process PDF files

Modern relational spreadsheet. It combines the flexibility of a spreadsheet with the robustness of a database

Transfer Files Cross-Platform. No Setup, No Signup.

HTML/JS based tool for creating, testing, and learning about Regular Expressions

🎨 Classic MS Paint, ＲＥＶＩＶＥＤ + ✨Extras

Collaborative office suite, end-to-end encrypted and open-source.

A tool to enforce privacy & security best-practices on Windows, macOS and Linux, because privacy is sexy

Free full-featured web-based audio & waveform editing tool

Platform designed to transform raw screen recordings into polished, high-quality demonstration videos

A free, browser-based screenshot editor. Beautiful backgrounds, device frames, 3D effects, animations, and video export. No signup, no watermarks.

An open-source cross-platform alternative to AirDrop, but works in LAN only

Ableton-style music composer for the web

seamless torrent streaming and file sharing

Run classic Windows games in your browser

Dependency-free WebGL studio for generative backgrounds and live embeds

ATS-Friendly Resume Builder

Play, visualize, learn, and export your MIDI music as gorgeous piano-roll videos, entirely client-side with zero uploads.

Interactive roadmaps, guides and other educational content to help developers grow in their careers

provides a free, zero-install Microsoft Visual Studio Code experience running entirely in your browser, allowing you to quickly and safely browse source code repositories and make lightweight code changes

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Next-gen knowledge base that brings planning, sorting and creating all together

Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface

A simple drawing/whiteboarding tool

An interactive online platform for visualizing algorithms from code and learning algorithm behavior through animations.

visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs

media downloader that doesn't piss you off. it's friendly, efficient, and doesn't have ads, trackers, paywalls or other nonsense.

Collection of handy online tools for developers, with great UX

Create and share beautiful images of your source code

A browser-based “cyber” workbench for encoding, decoding, encryption, compression, hashing, parsing, and data analysis recipes.

Share text between devices securely with QR code or URL

A modern ebook manager and reader

Simply beautiful open-source icons

Image compression web app that reduces image sizes through numerous formats

Free SVG icons for popular brands. 3000+ icons, public domain, no signup.

A set of free MIT-licensed high-quality SVG icons for UI development.

Beautiful & consistent icon toolkit made by the community

A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.

The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed

FFmpeg for browser, powered by WebAssembly

File-converter fully in-browser

Match command-line arguments to their help text

Online Subtitle Editor

Creates interactive mind maps from Markdown with a live editor and visualization

Easy-to-use sprite editor. It can be used to create game sprites, animations, and pixel-art

An open-source, browser-based directory of OSINT tools and resources organized by investigation category.

The largest collection of free stuff on the internet!

Share quick reference cheat sheet for developers

Create pixel art in your browser

Find out the cost of adding a new frontend dependency to your project

A polyglot web converter

A web interface to create custom vector-based visualizations on top of RAWGraphs core

A collection of over 1800 curated icons for services, applications and tools, designed specifically for dashboards and app directories

"The last Markdown editor, ever."

Open source neutral style icon system

Powerful SVG-Editor for your browser

The homepage of Phosphor Icons, a flexible icon family for everyone

Open Source Palantir Alternative

A configurable browser-based diagramming and whiteboarding tool for flowcharts, UML, network diagrams, ER diagrams, BPMN, and more.

Edit, preview and share mermaid charts/diagrams. New implementation of the live editor.

A web tool to explore the ASTs generated by various parsers.

Shrink SVG sizes dramatically

An application for drawing ASCII diagrams

A low poly 3D model editor

Online editor to create and manipulate SVG paths

WebRTC video conferencing platform built on peer-to-peer (P2P) architecture for fast, secure real-time communication with end-to-end privacy

Open source emojis for designers, developers and everyone else!

An open source icons library with 1600+ icons, supporting React, React Native, Flutter, Vue, Figma, and Framer.

Collaborative JavaScript Debugging App

Open source CapCut alternative

diagram rendering service that generates diagrams from text using tools like Mermaid, PlantUML, Graphviz, and more

An MCP server plus a CLI tool that indexes local code into a graph database to provide context to AI assistants

Truly universal online file converter

Cartographic poster engine

Turn PDFs and documents into realistic scanned copies, add watermarks, stamps and metadata in a few clicks, with all processing done locally for maximum privacy.

Create Anime Characters

Easily generate flowcharts and diagrams from text

Professional-grade background patterns and gradients for your websites and apps

Spreadsheet for real-time collaborative editing

Simple and easy-to-use SVG editor experience

Share expenses with your friends and family

Structured SVG editor

6,100+ SVG icons. Brands, AWS, Azure, GCP, and more. Search, copy, ship.

Tool that lets you quickly generate clean, professional app icons using customizable shapes, gradients, and glyphs

A browser-based electronic circuit simulator with animated schematics, example circuits, and editable components.

Learn React, Redux, Node.js, MongoDB, GraphQL and TypeScript in one go

Your GitHub, rated out of 99 ⚽

Minimalistic web application designed for sending end-to-end encrypted notes and files

Takes CSV or tab-delimited data from Excel and converts it into several web-friendly formats, include JSON and XML.

Powerful, minimalistic, cross-platform, opensource note-taking app

An online Dart editor with support for console, web, and Flutter apps.

Minimal and formal résumé (CV) website template for print, mobile, and desktop

Professional video editing, zero installation. Create stunning content in your browser

Finds larger/original versions of images and videos

design editor for posters, layouts, social graphics, and other canvas-based compositions

A pixel Art & Animation Creation Tool Built using HTML5 Canvas

App for modular conversion, encoding, and encryption

Send fully encrypted secure notes or files with custom expiration

Powerful video editor right in your browser

A super simple tool to convert your SVG's to 3D models

Merge, split, compress, and edit PDFs 100% locally on your device

Online tools provides md2, md5, sha1, sha2, sha512, bas64, html encode / decode functions

A ROM patcher made in Javascript

An interactive browser-based viewer for KiCad schematics and PCB boards.

Online SQLite playground

A tool for anonymizing photographs taken at protests

A terminal theme designer

End-to-end encrypted peer-to-peer file transfer and chat in the

Dashboard Icons provided by selfh.st

Markdown editor with live preview

Generate QR code easily

A collection of small, low stakes and low effort tools

Transform any GitHub profile into a stunning portfolio in seconds.

Online webgl photo editor with effects, filters and cropping

web-based application (a toolkit), that used to analyzing and recovering damaged QR Code

Transfer files between machines through the web, through a CLI, or both fully end-to-end encrypted. Made by the dev of croc file transfer

A web client for the BRouter routing engine, providing OpenStreetMap-based route planning with profile customization and route export.

checklist to help you plan, build and grow your design system

Easy-to-use, multi-track audio editor and recorder

Text-to-speech document reader built with Next.js for EPUB, PDF, TXT, MD, and DOCX with multilingual, synchronized read-along playback

a full server-side Datasette Python web application directly in your browser

📒 An offline capable Notepad PWA

Modern and feature-rich painting app for the web

Say goodbye to bulky files! Crush video sizes by 90% with no quality loss, even offline

The Component Gallery is a collection of components from the best Design Systems.

A privacy-first, end-to-end encrypted alternative to Google Docs for rich document editing.

collection of cinematic video hero sections Browse, preview, copy & download production-ready backgrounds - instantly

A web editor to write, run and learn assembly code (X86, MIPS, RISC-V, M68K)

A pomodoro web app with PIP mode, white noise generation, tasks and more!

Font editor, made for hobbyists and typeface design beginners

A curated library of premium React micro-interactions and transition components powered by Motion.

Visualize code execution step-by-step to better understand programming concepts and debugging.

A tool for planning drawer organization using the Gridfinity modular storage system

End-to-end encrypted file transfer

Progressive resume builder which works offline

A suite of random, mostly weird, generative art tools!

Computer Controlled Rhythmic Groove Machine

Learn from 30 historical figures through stories, dialogues, and AI conversation. Nonprofit, no signup.

WebRTC based p2p file transfers in your browser

Analyze huge log files (10GB+). Features JSON prettifier, regex filtering, and bookmarks.

Real-time ASCII art camera that transforms your webcam feed into glowing terminal aesthetics. Built with React + Canvas API

AI inference, packed simply. A blazing-fast, zero-dependency WebGPU runtime to run GGUF models directly in the browser

Plain text editor in the browser.

GitHub Gists are the fastest way to share code, notes, and snippets. But they look terrible. This fixes that.

Share files quickly and securely without relying on cloud servers

Removes metadata from supported formats in-browser using WASM

dsheets.new is alternative to google sheets & excel.

Entropic Editor for Artists

A web platform for modelling and solving linear optimization problems

App for quickly sharing links, text snippets, and files.

Private end-to-end encrypted pastebin

Lightweight, local-first habit tracker designed to respect your privacy

Redact the non essential info from the spanish National Identification Document

Provides a board for quick little notes post-it like

Real-time app for conducting a remote sprint retrospective meeting

An online creation tool for LALR and LR(1) parsers to learn how language theory works

Build a professional CV in a few minutes and download it as a PDF

resume builder designed for professionals who value privacy, flexibility, and control over their data

web application that provides a suite of image processing tools

Verilog simulator built by compiling Icarus Verilog to WebAssembly. No server, no install: edit, compile, simulate, view waveforms, and synthesize to a gate-level or RTL schematic

Run ffmpeg directly in your browser with a terminal-like interface.

Digital business cards you actually own

An interactive resume builder with templates. Paste a job link and AI rewrites your resume to match

A tool for sanitizing logs, stack traces, config snippets, and terminal output before you paste them into GitHub issues, support tickets, Slack, or AI chats.

Control your Razer device's RGB, effects, and settings

Query files like CSV, JSON, and Parquet directly in the browser

Procedural texture and volume generation toolkit for volumetric rendering, terrain generation

A web app that enables you to search the Apple App Store in your browser and view app meta-data.

Convert documents without leaving the browser.

A workbench of 52 everyday utilities (PDF manipulation, image processing, dev tools)

Web Serial Plotter with as much customization as possible

Modern, privacy-focused, peer-to-peer file transfer application built with WebRTC with screen-share and chat functionality

helps developers, especially beginners in open source, understand large repositories faster without getting lost trying to figure out where to start

Simple and modern web-based logic gate simulator

Bi-directional visual editor for Mermaid.js flowcharts

A free, browser-based tool for analyzing, querying, and repairing broken or oversized CSV files

3D satellite tracker with orbit visualization, pass predictions, and antenna rotator control (GS-232, EasyComm, Hamlib)

Dynamic Job Search RSS Feed Generator

An interactive tool for visualizing relational database schemas in 3D.

Daggerheart GM Screen

collaborative whiteboard for drawing and note-taking

Text editor that highlights poor wording in real-time - and makes you write better

A markdown to PDF converter & live previewer

WebRTC peer-to-peer file transfer

A level and IGCSE grade boundary lookup

Create a full color palette from a base color and export it to CSS, Tailwind and SVG

Recording looper and analysis tool designed for musicians who want to transcribe music or learn songs by ear

Link words across a translation, then export the diagram.

Clear, in-depth guides to everything from how a computer boots up to how the internet, databases, and AI really work

feature-rich color picker and analysis tool

Download Maven JAR dependencies and transitive dependencies as ZIP

Configuration builder/editor for opencode.

Local image and video filters with shaders, on an infinite canvas

A huge, searchable collection of 200+ local-first developer tools for everyday text, data, and format tasks.

Secure, temporary, and minimal file sharing with zero-knowledge encryption

Get the highest resolution favicon for any domain or look up a service icon by name.

Datamosh your photos and videos, glitch effects in sync with music.

Pixel-perfect dithering utility. Drop an image, dial in the settings, ship a dither

URL shortener and pastebin service

Generate images, compress photos, upscale pictures, and remove backgrounds

A client-side web utility to scale, crop, and tile images onto sheets of paper for printing at exact real-world dimensions.

AI writing assistant that lives entirely in your browser

A visual cubic-bezier curve editor for crafting custom CSS easing functions

static, explanation-first quiz catalog for self-learners, with public quizzes, private local imports, and an AI-first quiz format

Free URL shortener that lets you create branded short links with custom domains, QR codes, click analytics, and an easy-to-use dashboard

Easily transform any image into ASCII/Unicode art

A simple collection of video processing tools

A notepad for the web written in Flutter

Easly connects 2 browsers to transfer files

A modern web application for looking up E-number food additives with comprehensive data from Open Food Facts

Convert any Unicode symbol, emoji, or glyph into a custom favicon

Enter your stats once and get a full picture of your health: what your numbers mean, where your goals should be, and the knowledge to back it up