Sites like galactic-hunter.com

AstroBackyard is a blog of astrophotography tips, tutorials and gear reviews by a Niagara, Ontario husband-and-wife team

Astrophotography portfolio and tips by Nico Carver, focusing on emission nebulae, supernova remnants and light pollution studies

Astrobiscuit is an astrophotography learning site offering beginner guides on choosing telescope and camera gear, with affiliate gear links supporting its YouTube channel

Nighttime Imaging 'N' Astronomy (N.I.N.A.), a free open-source software tool for astrophotography imaging and telescope control by developer Stefan Berg

Stellarium, a free open-source planetarium software program for rendering realistic night sky views, with developer documentation

A free image-hosting platform where amateur astrophotographers upload, store and share deep sky, lunar and planetary photographs

Astro-Baby, a personal English-language astronomy website of equipment reviews, telescope technical guides and free software resources by its owner

Universe Today is an English-language online news blog covering space and astronomy research, with articles by staff writers such as Matthew Williams and Evan Gough

Astro photographer Alyn Wallace's site on night-sky photography, gear, workflow and YouTube videos, maintained by his family after his death

Jakob Sahner's astrophotography site with deep-sky images, a blog, tutorials, and Astro Tools, a Photoshop plugin for night-sky processing

Global Meteor Network, a volunteer and professional project publishing meteor camera data, radiants, orbits and a wiki, with a blog

A blog by Insight Observatory on astronomy, observing, and bringing the universe to classrooms and homes

Astrophotography guides, gear reviews and free tools by Karl Perera, a blog from Turkey's dark skies

An international community developing free and open-source software, including the Plasma desktop and KDE applications

Personal site of Matt Holt, a software developer, with essays on open source funding and sustainability

OpenCV, the open-source computer vision library, with its services, training, partner program and blog, run by the OpenCV organisation

collectSPACE is a news and discussion site on space history, artifacts, memorabilia and pop culture, covering astronaut appearances and collectibles

Aurora Labs Norway: Northern Lights holidays, aurora forecasts and an online course in Arctic science, run by Arctic guide Sergiu in Vadsø

A rapid-publication journal of astronomical discovery notices, including outburst reports on X-ray binaries and transient sources such as MXB 1730-335

A French telecom company's website for Free: internet and mobile plans, Freebox boxes, store locations, and subscription management

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

A mathematics video channel and podcast covering number theory, puzzles and research topics, featuring interviews with mathematicians such as Terence Tao

Unminus is a platform offering free downloadable music from independent artists, streamed directly from SoundCloud feeds

A guide to national parks, monuments and natural landscapes of the American Southwest and West USA, online since 1994

A website of encyclopedia-style entries on figures from Greek mythology and legend, such as Ate, Bia, Ino and Nyx

Mongabay, an independent online news outlet reporting on conservation, environmental science and planetary challenges through a network of local journalists

Penny Arcade, a webcomic, news, video and editorial site on video games and nerd culture by Jerry Holkins and Mike Krahulik

Sex and relationship coaching blog and podcast by Leah Carey, covering consent, the STARS talk and intimacy

PIXLS.US is a blog and tutorial site on free and open source photography software and workflows, run by Pat David and Rolf Steinort

Compound Interest, a blog of chemistry infographics explaining everyday chemical compounds and recent chemistry news

A personal site by vision scientist Michael Bach offering optical illusion explanations, publications, and the free FrACT vision test

The NetBSD Project's home site for its free, portable Unix-like operating system, with documentation, platform lists, news and downloads

Pittsburgh Supercomputing Center, a research computing center offering high-performance computing resources and news about scientific discovery since 1986

A free online game portal offering browser games across genres such as puzzles, action and adventure, with leaderboards

All To Love, a holistic wellbeing site offering tarot, yoga and astrology courses, a blog and shop by MJ