Sites like hohli.com

A CSS drawing project by Lynn Fisher, where each illustration is a single div with pseudo-elements

UkraineWorld is an English-language online magazine on Ukrainian politics, culture and society, with features by contributors such as Volodymyr Yermolenko

Teacher Training Videos by Russell Stannard: free video tutorials on using education technology in language teaching

Gephi, an open-source software project for visualizing and analysing network data through graph layouts, metrics and community detection

ConvertCSV.com is an online tool for converting CSV files into JSON, XML, SQL, Excel and other data formats

A Spanish-language blog on education and technology by Jordi Martí, with posts on teaching and digital learning

Mr Barton Maths, a free maths resource site for KS1 to GCSE teachers and students, by Craig Barton

OpenRefine is a free, open source desktop tool for cleaning, transforming and extending messy data

CSS Portal is a website of CSS and HTML generators, tools, quizzes and a blog for web developers

A design inspiration blog showcasing brand identity and packaging projects from studios and designers, listed page by page

Ecotone, a PHP architecture framework for event sourcing, sagas, workflows, outbox and distributed messaging by its team

Vincent De Oliveira's bilingual blog and portfolio on CSS, SVG, UI design, maps and open-source web code

Krajee, a web development studio publishing open source Yii2 extensions and jQuery plugins for PHP and JavaScript developers

The demonweb, a personal homepage of retro internet culture, digital empire essays, and a real-time location finder tool

Jonathan Snook's personal site, a blog, journal and web design and code playground at Snook.ca

CyberGordon, a personal web tool that checks IP addresses, domains and file hashes against threat intelligence engines

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

A free online tool and template library for making word art, printable calendars, patterns, maps and worksheets, with a blog

Ant Design, an open-source React UI component library and design system, with its release changelog and documentation

ccMixter is a community website for sharing and remixing music licensed under Creative Commons licenses

OSINT Techniques is a resource site on open source intelligence and social media investigation, with a blog, tool lists and FAQs by Michael Bazzell

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

A free web tool by Jeff that generates responsive iframe embed code for YouTube, Vimeo, Google Maps and other media

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

Typographica, an online magazine of type design reviews and typeface criticism, published by Stephen Coles

WinSCP, a free open-source SFTP and FTP client application for Windows file transfers between local and remote computers

PSDDude is a blog of Photoshop, Canva and PowerPoint text tutorials, plus emoji, kaomoji and online tool resources

vanheusden.com is a personal software project page by Folkert van Heusden listing audio, networking, games, chess and Go tools

Osmocom, an umbrella project developing open source software and tools for mobile communications networks, run on a Redmine project site

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