Sites like birme.net

A free online toolset for creating and editing animated GIFs, with conversions for WebP, APNG and AVIF formats

HelloGitHub is a Chinese-language periodical and project-discovery platform showcasing beginner-friendly open-source GitHub projects, published monthly

Animista is an online tool for generating and downloading on-demand CSS animations for web elements, such as boxes, buttons and text

Mastershot, a free in-browser toolkit for compressing, trimming and converting video, image and audio files, by Jacob Beckerman

An online tool that removes vocals from songs to make karaoke tracks and splits audio into stems

OctoPrint, an open source web interface for controlling and monitoring 3D printers, with a blog, help pages and merchandise by Gina Häußge

Prettier, an opinionated code formatter for JavaScript, CSS, Markdown and other languages, with editor and CI integrations

A browser extension called LocalCDN that emulates content delivery networks locally to improve online privacy

ESLint project website: documentation, playground and team pages for ESLint, the pluggable open-source JavaScript linter

Kismet, a wireless network detector and sniffer project with release posts, downloads and documentation by developer Mike Kershaw

GIMP, the free open-source cross-platform image editor project, with its official website, bug reports, documentation and news

Trevor AI, an AI scheduling assistant and planner app for tasks and calendars, made by Trevor Labs in Europe

The HTTP Archive is a public dataset and reports project that crawls top websites to track how the web is built

Recalbox, an open-source retrogaming console and emulation software that plays classic console, computer and arcade games

A Japanese and English blog by DCAI on AI illustration techniques, including ComfyUI video generation tutorials and an image gallery

Flask Lists, a free shareable to-do list web app by developer and creator of Flask, no sign-up required

PhotoDemon, a free, portable, open-source photo editor for Windows, with release news and download pages

An interactive web guitar tool built with React, letting visitors play chords and strings in the browser

Joplin, an open source note-taking app with multimedia notes, web clipping and end-to-end encrypted sync, developed by Laurent

Simon Willison's Weblog, a personal blog by developer Simon Willison on software, AI tools and web programming, plus a Gemini text-to-speech playground

A collection of free technical SEO tools and articles, including robots.txt, hreflang, AMP and .htaccess testers, on TechnicalSEO.com

OpenShot, a free open-source video editing software for Linux, Mac and Windows, with a project homepage and multilingual pages

A free library of open source vector illustrations by Vijay Verma, with a Pro tier and an illustration builder

Brennan Kenneth Brown's personal weblog on tech criticism, Indigenous issues, writing craft, and AI

Christine Lemmer-Webber's personal blog on free software, decentralized social web, and technology, with posts dating back to 2009

freeCodeCamp is a nonprofit programming tutorial publication covering Python, JavaScript, Git, and other developer topics

Song Peel: a free online collection of audio tools for editing songs, including bass booster, BPM finder, pitch changer and 3D converter

Terasology, an open source voxel game engine and sandbox game project born from a 2011 Minecraft-inspired tech demo

Blogging Wizard is a blog on building a profitable online business from a blog, by Adam Connell

Shutter Encoder, a free open-source video converter, compressor and editor software for Windows, macOS and Linux, with plugins

Digital Foundry is a video and article site analysing technical performance and graphics in console and PC games

Muzzle, a macOS app that silences embarrassing notifications, with its help and version update pages

Lex Fridman's personal site on AI, robotics and human-AI interaction, with his podcast, AMA question form and research publications

PixelMe is a web tool that converts uploaded photos into pixel art using AI, with localized versions in several languages

Erik Houdini's personal site with poems, a magazine, music, merch, a credo and small web tools